BW GAS DETECTOR MANUAL



Bw Gas Detector Manual

Honeywell Gas Detector BW GasAlert MicroClipX3 Multi-Gas. • BW recommends to bump test the sensors, before each day’s use, to confirm their ability to respond to gas by exposing the detector to a gas concentration that exceeds the alarm setpoints. Manually verify that the audible and visual alarms are activated. Calibrate if …, BW Technologies GasAlertMicroClip XL multi-gas detector. The latest version of the popular slim and compact BW gas detector with extended battery life.

BW Technologies GasAlertMax XT II GasAlertMax XT II Gas

BW Gas Alert Max XT II Multi 4 Gas Detector Gas Monitor. • BW recommends to bump test the sensors before each day’s use to confirm their ability to respond to gas by exposing the detector to a gas concentration that exceeds the alarm setpoints. Manually verify that the audible, visual, and vibrator alarms are activated. Calibrate if the …, BW recommends to 'bump test' the sensors fitted to safety gas detectors before each day's use to confirm their ability to respond to gas by exposing the detector to a gas concentration that exceeds the alarm setpoints, manually verify that the audible and visual alarms are activated and to calibrate the detector if the readings are not within.

in the manual and/or that part is listed as a replacement part. Use only BW Technologies replacement parts. в‡’ The detector Warranty will be voided if customer personnel or third parties damage the detector during repair attempts. Non-BW Technologies repair/service attempts void this Warranty. Buckhorn provides this intrinsically safe gas monitor that displays H2S, CO, O2, and LEL in real time. The BW Technologies GasAlertMax XT II gas detector reliably monitors for up to four gas hazards and combines straightforward one-button field operation with an integrated sampling pump.

• BW recommends to bump test the sensors, before each day’s use, to confirm their ability to respond to gas by exposing the detector to a gas concentration that exceeds the alarm setpoints. Manually verify that the audible and visual alarms are activa ted. Calibrate if … Honeywell Analytics stands behind the compact BW Clip4 gas detector with a two year warranty to cover its entire service life. BENIFITS. Durable, compact, ergonomic and wearable - doesn't weight you down (8.2oz) Simple one button user friendly operation; Real time gas concentration readings shown on LCD

View and Download BW Technologies MULTI-GAS DETECTORS specifications online. MULTI-GAS DETECTORS. MULTI-GAS DETECTORS Carbon Monoxide Alarm pdf manual download. Also for: Gasalertmax, Gasalertmicro 5, Gasalertclip extreme. • BW recommends to bump test the sensors before each day’s use to confirm their ability to respond to gas by exposing the detector to a gas concentration that exceeds the alarm setpoints. Manually verify that the audible, visual, and vibrator alarms are activated. Calibrate if the …

• Calibrate only in a safe area that is free of hazardous gas in an atmosphere of 20.9% oxygen. • BW Technologies by Honeywell recommends to bump test the sensor before each day’s use to confirm its ability to respond to gas by exposing the detector to a gas concentration that exceeds the alarm setpoints. Manually Gas detectors. Single Gas detectors; 4 Gases detectors; Multi-Gas detectors; Toxic Gas detectors; Oxygen detectors; Flammable Gas detectors; VOCs Gas detectors; Gas detection tubes; Fixed Gas detectors; Flame detectors; Calibration gas and services; Level and Flow sensors. Float Level sensors; Capacitive Level sensors; Vibrating probe Level sensors

⇒ BW recommends to “bump test” the sensors, before each day’s use, to confirm their ability to respond to gas by exposing the detector to a gas concentration that exceeds the alarm setpoints. Manually verify that the audible and visual alarms are activated. Calibrate if … - Determine the appropriate gas and vapour monitoring needed for a work-place. The ALTAIR 2X gas detector can be equipped for: - Detecting specific toxic gases for which a sensor is installed It is imperative that this operatin g manual be read and observed when using the product.

The Honeywell BW Solo Gas Detector is easy to operate and service and includes an extensive selection of sensor options. It can help reduce the cost of ownership for serviceable single-gas detectors and includes a wireless option for enabling connected workers. The GasAlert MicroClip X3 from Honeywell BW™ is small in size, easy to use with reliable operation offering affordable protection. With that combination of benefits, it’s no wonder the X3 is the world’s most popular multi-gas detector.

Technical Reference Guide W. W. Grainger

bw gas detector manual

GasAlertMaxXT II User Manual 129541 B EN. BW Gas Alert Max XT II - Multi 4 Gas Detector With Pump Reliably monitors for up to four gas hazards . The rugged GasAlertMax XT II reliably monitors for up to four gas hazards and combines straightforward one-button field operation with an integrated sampling pump., The GasAlertMicroClip Series is the only multi-gas detector that boasts an IP68 rating Datasheet GasTech BW MicroClip Series 4 Gas Detectors.pdf 367.17 KB Manual GasTech BW GasAlert MicroClip XT, XL, X3 Manual.pdf 1.3 MB Software BW FleetManager Software v4.3.31.zip 119.46 MB BW IR Link Driver.zip 6.12 KB . Get a Quote Now!.

BW Technologies GasAlert Quattro Gas Detector — Ideal

bw gas detector manual

ConneX1 Single Gas Detector| Operator's Manual. gas after any exposure to contaminants/poisons such as, sulfur compounds, silicon vapors, halogenated compounds, etc. • BW recommends to bump test the sensors before each day’s use to confirm their ability to respond to gas by exposing the detector to a gas concentration that exceeds the alarm setpoints. Manually verify that Buckhorn provides this intrinsically safe gas monitor that displays H2S, CO, O2, and LEL in real time. The BW Technologies GasAlertMax XT II gas detector reliably monitors for up to four gas hazards and combines straightforward one-button field operation with an integrated sampling pump..

bw gas detector manual

  • BW TECHNOLOGIES Gas Detection Accessories Grainger
  • Portable MultiGas Detector Honeywell BW GasAlertMaxXT II
  • BW TECHNOLOGIES MULTI-GAS DETECTORS SPECIFICATIONS

  • Searching for BW TECHNOLOGIES Gas Detection Accessories? Grainger's got your back. Easy online ordering and next-day delivery available with 24/7 expert product support. View and Download BW Technologies MULTI-GAS DETECTORS specifications online. MULTI-GAS DETECTORS. MULTI-GAS DETECTORS Carbon Monoxide Alarm pdf manual download. Also for: Gasalertmax, Gasalertmicro 5, Gasalertclip extreme.

    Single Gas Detector User Manual. Limited Warranty and Limitation Liability BW Technologies LP • The detector warranty will be voided if customer personnel or third parties damage the detector during repair attempts. Non-BW Technologies by Honeywell repair/service attempts void this warranty. in the manual and/or that part is listed as a replacement part. Use only BW Technologies replacement parts. ⇒ The detector Warranty will be voided if customer personnel or third parties damage the detector during repair attempts. Non-BW Technologies repair/service attempts void this Warranty.

    BW Clip4 Multi Gas Detector. View details. BW Gas Alert Max XT II Multi Gas Detector. View details. BW Gas Alert Micro Clip X3 Multi Gas Detector. View details. BW Gas Alert Micro Clip XL Multi Gas Detector. View details. BW Gas Alert Micro 5 Multi Gas Detector. View details. Buckhorn provides this intrinsically safe gas monitor that displays H2S, CO, O2, and LEL in real time. The BW Technologies GasAlertMax XT II gas detector reliably monitors for up to four gas hazards and combines straightforward one-button field operation with an integrated sampling pump.

    Single Gas Detector User Manual. Limited Warranty and Limitation Liability BW Technologies LP • The detector warranty will be voided if customer personnel or third parties damage the detector during repair attempts. Non-BW Technologies by Honeywell repair/service attempts void this warranty. View and Download BW Technologies MULTI-GAS DETECTORS specifications online. MULTI-GAS DETECTORS. MULTI-GAS DETECTORS Carbon Monoxide Alarm pdf manual download. Also for: Gasalertmax, Gasalertmicro 5, Gasalertclip extreme.

    The GasAlert MicroClip X3 from Honeywell BW™ is small in size, easy to use with reliable operation offering affordable protection. With that combination of benefits, it’s no wonder the X3 is the world’s most popular multi-gas detector. Honeywell Analytics stands behind the compact BW Clip4 gas detector with a two year warranty to cover its entire service life. BENIFITS. Durable, compact, ergonomic and wearable - doesn't weight you down (8.2oz) Simple one button user friendly operation; Real time gas concentration readings shown on LCD

    • BW recommends to bump test the sensors before each day’s use to confirm their ability to respond to gas by exposing the detector to a gas concentration that exceeds the alarm setpoints. Manually verify that the audible, visual, and vibrator alarms are activated. Calibrate if the … • BW recommends to bump test the sensors before each day’s use to confirm their ability to respond to gas by exposing the detector to a gas concentration that exceeds the alarm setpoints. Manually verify that the audible, visual, and vibrator alarms are activated. Calibrate if the …

    bw gas detector manual

    • BW recommends to bump test the sensors before each day’s use to confirm their ability to respond to gas by exposing the detector to a gas concentration that exceeds the alarm setpoints. Manually verify that the audible and visual alarms are activated. Calibrate if … “5mm” Allen head wrench to remove enclosure lid (included with gas detector). Flat-head screwdriver maximum 3/16 in (5 mm) width for terminal block connections (included with gas detector). Adjustable wrench for conduit or cable gland connections (not included).

    Gasdetectorsusa.com Industrial Fixed And Portable Gas

    bw gas detector manual

    IntelliDoX Operator Manual Honeywell. View and Download BW Technologies MULTI-GAS DETECTORS specifications online. MULTI-GAS DETECTORS. MULTI-GAS DETECTORS Carbon Monoxide Alarm pdf manual download. Also for: Gasalertmax, Gasalertmicro 5, Gasalertclip extreme., BW Clip is a portable, single-gas detector manufactured by BW Technologies by Honeywell (BW). BW Clip continuously measures the concentration of a specific gas in the ambient environment, and activates an alarm when concentrations exceed alarm setpoints. BW Clip Operator Manual.

    128901 GAMicro5-PID-IR User Manual (D5615-5-EN)

    BW Gas Alert Max XT II Multi 4 Gas Detector Gas Monitor. BW BWC2R-X. BW Clip Real Time portable gas detector with 2 year maintenance free for Oxygen (O2). Configurables Low and high alarm (ppm). One-button operation. Designed for harsh environments and extreme temperatures. Includes a real-time gas level display. IP66 / IP67. UL approved for Class I Div 1. ATEX, CE, EAC Ex and IECEx approved., The GasAlert MicroClip X3 from Honeywell BW™ is small in size, easy to use with reliable operation offering affordable protection. With that combination of benefits, it’s no wonder the X3 is the world’s most popular multi-gas detector..

    in the manual and/or that part is listed as a replacement part. Use only BW Technologies replacement parts. в‡’ The detector Warranty will be voided if customer personnel or third parties damage the detector during repair attempts. Non-BW Technologies repair/service attempts void this Warranty. The GasAlertMicroClip Series is the only multi-gas detector that boasts an IP68 rating Datasheet GasTech BW MicroClip Series 4 Gas Detectors.pdf 367.17 KB Manual GasTech BW GasAlert MicroClip XT, XL, X3 Manual.pdf 1.3 MB Software BW FleetManager Software v4.3.31.zip 119.46 MB BW IR Link Driver.zip 6.12 KB . Get a Quote Now!

    BW Clip4 Multi Gas Detector. View details. BW Gas Alert Max XT II Multi Gas Detector. View details. BW Gas Alert Micro Clip X3 Multi Gas Detector. View details. BW Gas Alert Micro Clip XL Multi Gas Detector. View details. BW Gas Alert Micro 5 Multi Gas Detector. View details. Our portable and fixed gas detection solutions offer the most reliable results available. These include our portable gas leak detector, single, and four gas monitors, as well as our H2S gas detector. With extremely low detection levels and a lower cost per point of detection,we know our systems will be the best solution for your gas detection

    BW Clip is a portable, single-gas detector manufactured by BW Technologies by Honeywell (BW). BW Clip continuously measures the concentration of a specific gas in the ambient environment, and activates an alarm when concentrations exceed alarm setpoints. BW Clip Operator Manual - Determine the appropriate gas and vapour monitoring needed for a work-place. The ALTAIR 2X gas detector can be equipped for: - Detecting specific toxic gases for which a sensor is installed It is imperative that this operatin g manual be read and observed when using the product.

    BW recommends to 'bump test' the sensors fitted to safety gas detectors before each day's use to confirm their ability to respond to gas by exposing the detector to a gas concentration that exceeds the alarm setpoints, manually verify that the audible and visual alarms are activated and to calibrate the detector if the readings are not within BW Honeywell - Gas Alert MicroClip XL Yellow Multi-Gas Detector. The GasAlertMicroClip XL provides affordable protection from atmospheric hazards. Its slim and compact design makes it easy to wear, allowing workers to focus on the job at hand without feeling weighed down.

    This page is a guide on the BW Technologies GasAlert Quattro gas detector. If you are looking for calibration guides, part numbers, or a "How to Calibrate" video … BW BWC2R-X. BW Clip Real Time portable gas detector with 2 year maintenance free for Oxygen (O2). Configurables Low and high alarm (ppm). One-button operation. Designed for harsh environments and extreme temperatures. Includes a real-time gas level display. IP66 / IP67. UL approved for Class I Div 1. ATEX, CE, EAC Ex and IECEx approved.

    ⇒ BW recommends to “bump test” the sensors, before each day’s use, to confirm their ability to respond to gas by exposing the detector to a gas concentration that exceeds the alarm setpoints. Manually verify that the audible and visual alarms are activated. Calibrate if … manual may not be supported by all of the compatible detector models. To understand which procedures, features and options are supported, refer to the appropriate detector operator manual. Ensure that you are familiar with the use of personal gas detection devices and accessories, and take appropriate action in the event of an alarm condition.

    GasAlertMax Users Manual vi D1430 English CAUTION: FOR SAFETY REASONS THIS EQUIPMENT MUST BE OPERATED AND SERVICED BY QUALIFIED PERSONNEL ONLY. READ AND UNDERSTAND INSTRUCTION MANUAL COMPLETELY BEFORE OPERATING OR SERVICING. GasAlertMax 4-Gas Detector Order Number Description GAMAX2-4 GasAlertMax Detector - Determine the appropriate gas and vapour monitoring needed for a work-place. The ALTAIR 2X gas detector can be equipped for: - Detecting specific toxic gases for which a sensor is installed It is imperative that this operatin g manual be read and observed when using the product.

    BW BWC2R-X. BW Clip Real Time portable gas detector with 2 year maintenance free for Oxygen (O2). Configurables Low and high alarm (ppm). One-button operation. Designed for harsh environments and extreme temperatures. Includes a real-time gas level display. IP66 / IP67. UL approved for Class I Div 1. ATEX, CE, EAC Ex and IECEx approved. This page is a guide on the BW Technologies GasAlert Quattro gas detector. If you are looking for calibration guides, part numbers, or a "How to Calibrate" video …

    The Honeywell BW Solo Gas Detector is easy to operate and service and includes an extensive selection of sensor options. It can help reduce the cost of ownership for serviceable single-gas detectors and includes a wireless option for enabling connected workers. Gas detectors. Single Gas detectors; 4 Gases detectors; Multi-Gas detectors; Toxic Gas detectors; Oxygen detectors; Flammable Gas detectors; VOCs Gas detectors; Gas detection tubes; Fixed Gas detectors; Flame detectors; Calibration gas and services; Level and Flow sensors. Float Level sensors; Capacitive Level sensors; Vibrating probe Level sensors

    Gas detectors. Single Gas detectors; 4 Gases detectors; Multi-Gas detectors; Toxic Gas detectors; Oxygen detectors; Flammable Gas detectors; VOCs Gas detectors; Gas detection tubes; Fixed Gas detectors; Flame detectors; Calibration gas and services; Level and Flow sensors. Float Level sensors; Capacitive Level sensors; Vibrating probe Level sensors manual may not be supported by all of the compatible detector models. To understand which procedures, features and options are supported, refer to the appropriate detector operator manual. Ensure that you are familiar with the use of personal gas detection devices and accessories, and take appropriate action in the event of an alarm condition.

    manual may not be supported by all of the compatible detector models. To understand which procedures, features and options are supported, refer to the appropriate detector operator manual. Ensure that you are familiar with the use of personal gas detection devices and accessories, and take appropriate action in the event of an alarm condition. Operator’s Manual 2 • If using the detector near its upper or lower operating temperature, BW Technologies by Honeywell recommends zeroing or activating the detector in that environment. • Charge the detector before first-time use. BW Technologies by Honeywell recommends the detector be charged after every workday.

    vating the detector. Refer to Maintenance. • BW recommends to bump test the sensor, before each day’s use, to confirm their ability to respond to gas by expos-ing the detector to a gas concentration that exceeds the alarm setpoints. Manually verify that the audible and visual alarms are activated. What is the Part number of a replacement Oxygen (O2) Sensor for BW Gas Monitors? How often does my BW Technologies monitor need to be calibrated? What is a bump check? MSA Orion User Manual - English . CO2 Detection. PPM and %/Volume 0. Software. MPRO-LOG 1. Download MPRO-LOG. Datasheets. MSA 0. Jenco. Jenco 6173 pH Benchtop meter 1.

    BW Clip Operator Manual Gasdetectorsusa.com

    bw gas detector manual

    BW GasAlertMicroClip X3 4-Gas Monitor O2 LEL CO H2S. • Calibrate only in a safe area that is free of hazardous gas in an atmosphere of 20.9% oxygen. • BW Technologies by Honeywell recommends to bump test the sensor before each day’s use to confirm its ability to respond to gas by exposing the detector to a gas concentration that exceeds the alarm setpoints. Manually, manual may not be supported by all of the compatible detector models. To understand which procedures, features and options are supported, refer to the appropriate detector operator manual. Ensure that you are familiar with the use of personal gas detection devices and accessories, and take appropriate action in the event of an alarm condition..

    bw gas detector manual

    BW gas detector calibration gases and accessories. • BW recommends to bump test the sensors, before each day’s use, to confirm their ability to respond to gas by exposing the detector to a gas concentration that exceeds the alarm setpoints. Manually verify that the audible and visual alarms are activa ted. Calibrate if …, BW Technologies GasAlertMicroClip XL multi-gas detector. The latest version of the popular slim and compact BW gas detector with extended battery life.

    128901 GAMicro5-PID-IR User Manual (D5615-5-EN)

    bw gas detector manual

    BW Honeywell Gas Alert MicroClip XT Multi-Gas Detector. What is the Part number of a replacement Oxygen (O2) Sensor for BW Gas Monitors? How often does my BW Technologies monitor need to be calibrated? What is a bump check? MSA Orion User Manual - English . CO2 Detection. PPM and %/Volume 0. Software. MPRO-LOG 1. Download MPRO-LOG. Datasheets. MSA 0. Jenco. Jenco 6173 pH Benchtop meter 1. BW Technologies GasAlertMax XT II GasAlertMax XT II Gas Detector Combustible Gas Detector We Price Match! Allow us to earn your business and make this purchase easy..

    bw gas detector manual

  • BW Technologies GasAlertMax User Manual
  • BW TECHNOLOGIES Gas Detection Accessories Grainger
  • BW Honeywell Gas Alert MicroClip XT Multi-Gas Detector
  • Gasdetectorsusa.com Industrial Fixed And Portable Gas

  • Single Gas Detector User Manual. Limited Warranty and Limitation Liability BW Technologies LP • The detector warranty will be voided if customer personnel or third parties damage the detector during repair attempts. Non-BW Technologies by Honeywell repair/service attempts void this warranty. in the manual and/or that part is listed as a replacement part. Use only BW Technologies replacement parts. в‡’ The detector Warranty will be voided if customer personnel or third parties damage the detector during repair attempts. Non-BW Technologies repair/service attempts void this Warranty.

    • BW recommends to bump test the sensors, before each day’s use, to confirm their ability to respond to gas by exposing the detector to a gas concentration that exceeds the alarm setpoints. Manually verify that the audible and visual alarms are activa ted. Calibrate if … Searching for BW TECHNOLOGIES Gas Detection Accessories? Grainger's got your back. Easy online ordering and next-day delivery available with 24/7 expert product support.

    - Determine the appropriate gas and vapour monitoring needed for a work-place. The ALTAIR 2X gas detector can be equipped for: - Detecting specific toxic gases for which a sensor is installed It is imperative that this operatin g manual be read and observed when using the product. Use the detector only as specified in this technical reference guide and the operator’s manual, otherwise the protection provided by the detector may be impaired. International symbols used on the detector and in this technical reference guide are defined in Table 2. Read the a Cautions on the following pages before using the detector. ec Warning

    Gas detectors. Single Gas detectors; 4 Gases detectors; Multi-Gas detectors; Toxic Gas detectors; Oxygen detectors; Flammable Gas detectors; VOCs Gas detectors; Gas detection tubes; Fixed Gas detectors; Flame detectors; Calibration gas and services; Level and Flow sensors. Float Level sensors; Capacitive Level sensors; Vibrating probe Level sensors BW Technologies GasAlertMax XT II GasAlertMax XT II Gas Detector Combustible Gas Detector We Price Match! Allow us to earn your business and make this purchase easy.

    Use the detector only as specified in this technical reference guide and the operator’s manual, otherwise the protection provided by the detector may be impaired. International symbols used on the detector and in this technical reference guide are defined in Table 2. Read the a Cautions on the following pages before using the detector. ec Warning 16.12.2015 · The 2-Year BW Clip H2S is a maintenance-free, single gas detector for hydrogen sulfide detection. Default alarm set points in this device are preset to 10 ppm and 15 ppm. This detector can be your everyday companion for …

    BW Clip4 Multi Gas Detector. View details. BW Gas Alert Max XT II Multi Gas Detector. View details. BW Gas Alert Micro Clip X3 Multi Gas Detector. View details. BW Gas Alert Micro Clip XL Multi Gas Detector. View details. BW Gas Alert Micro 5 Multi Gas Detector. View details. vating the detector. Refer to Maintenance. • BW recommends to bump test the sensor, before each day’s use, to confirm their ability to respond to gas by expos-ing the detector to a gas concentration that exceeds the alarm setpoints. Manually verify that the audible and visual alarms are activated.

    View online Operation & user’s manual for BW Technologies GasAlertMax Security Sensors or simply click Download button to examine the BW Technologies GasAlertMax … View and Download BW Technologies MULTI-GAS DETECTORS specifications online. MULTI-GAS DETECTORS. MULTI-GAS DETECTORS Carbon Monoxide Alarm pdf manual download. Also for: Gasalertmax, Gasalertmicro 5, Gasalertclip extreme.

    - Determine the appropriate gas and vapour monitoring needed for a work-place. The ALTAIR 2X gas detector can be equipped for: - Detecting specific toxic gases for which a sensor is installed It is imperative that this operatin g manual be read and observed when using the product. • Calibrate only in a safe area that is free of hazardous gas in an atmosphere of 20.9% oxygen. • BW Technologies by Honeywell recommends to bump test the sensor before each day’s use to confirm its ability to respond to gas by exposing the detector to a gas concentration that exceeds the alarm setpoints. Manually

    BW Clip4 Multi Gas Detector. View details. BW Gas Alert Max XT II Multi Gas Detector. View details. BW Gas Alert Micro Clip X3 Multi Gas Detector. View details. BW Gas Alert Micro Clip XL Multi Gas Detector. View details. BW Gas Alert Micro 5 Multi Gas Detector. View details. 07.12.2017В В· You will want to make sure that your gas is set up and ready to go for when it says "apply gas" your not scrambling with hoses. Snap the test cap on and open the regulator all the way. So the unit is pretty intuitive: with the little icons, the detector is going to tell you what it needs next, when to apply the gas, and when to remove the gas.

    BW Technologies GasAlertMax XT II GasAlertMax XT II Gas Detector Combustible Gas Detector We Price Match! Allow us to earn your business and make this purchase easy. • BW recommends to bump test the sensors before each day’s use to confirm their ability to respond to gas by exposing the detector to a gas concentration that exceeds the alarm setpoints. Manually verify that the audible and visual alarms are activated. Calibrate if …

    • BW recommends to bump test the sensors before each day’s use to confirm their ability to respond to gas by exposing the detector to a gas concentration that exceeds the alarm setpoints. Manually verify that the audible, visual, and vibrator alarms are activated. Calibrate if the … Our portable and fixed gas detection solutions offer the most reliable results available. These include our portable gas leak detector, single, and four gas monitors, as well as our H2S gas detector. With extremely low detection levels and a lower cost per point of detection,we know our systems will be the best solution for your gas detection

    bw gas detector manual

    BW Clip is a portable, single-gas detector manufactured by BW Technologies by Honeywell (BW). BW Clip continuously measures the concentration of a specific gas in the ambient environment, and activates an alarm when concentrations exceed alarm setpoints. BW Clip Operator Manual BW recommends to 'bump test' the sensors fitted to safety gas detectors before each day's use to confirm their ability to respond to gas by exposing the detector to a gas concentration that exceeds the alarm setpoints, manually verify that the audible and visual alarms are activated and to calibrate the detector if the readings are not within