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Detector
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2 , 3, 4 or 5-gas detector
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Auto zero
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Yes
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Calibration
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Automatic
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Backlight
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Standard Mode: low light (auto); alarm condition (auto); reactivation on demand
Alarm Only Mode: alarm condition (auto); reactivation on demand
Stealth Mode: backlight inactive; audible and visual alarms silenced
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Full function self-test
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Sensor integrity, circuitry and battery; audible/visual alarms
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Sensor
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Plug-in, electrochemical cell (toxic and oxygen); catalytic (LEL)
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User field options
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Confi dence beep, pass code protection, latching alarms, passed calibration userlockout option, “SAFE” display function, stealth mode, oxygen auto-cal on start-up, alarm only backlight mode, combustible gas measurement (%LEL or % by volume methane), LCD language option, STEL calculation choice, TWA calculation choice, combustible correction factor options, user-settable calibration gas level
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Alarm Indicators
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Clearly advises alarm conditions with audible, visual and vibrator alarms
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Visual alarms
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Two flashing alarm bars visible from all angles
LCD indicates gas present and alarm levels encountered
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Audible alarm
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Typically 95 dB at 1 ft./ 30 cm variable pulsed audible alarm
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Vibrator alarm
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Pulses warning in gas alarm conditions, or for any status alarms
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Other
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Low battery, over range, multiple gas / pump and failed or missing sensor
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Alarm Levels
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Instantaneous Low Alarm for all gases; Instantaneous High Alarm for all gases; TWA (time weighted average) and STEL (short term exposure limit) for toxics
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LCD
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Continuous, alphanumeric gas readout and status display advises:
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Gas monitored
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H2S, CO, O2, SO2, PH3, NO2, NH3, HCN, Cl2, ClO2, O3, PID and/or combustibles (0-100% LEL or 0-5.0% methane)
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Gas concentration
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Simultaneously and continuously displays gas concentration(s) for all sensors (in ppm, %LEL, or % v/v)
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STEL/TWA ppm or %
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Records STEL and TWA exposures and displays on demand
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Peak ppm or %
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Records and displays peak exposure to gas and displays on demand
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Alarm setpoints
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Displayed on activation
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Calibration due date
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In days remaining
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Clock
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Real-time clock setting displayed on start-up (datalogger models only)
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Tests
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Full function self-test
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Full function self-test on activation
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Battery
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Continuous
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General Specifications
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Rugged, composite material; two-shot molded polymer case with integral anti-shock boot
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Operating temperature
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-4 to 122 oF / -20 to 50oC
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Humidity
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0 - 95% RH (non-condensing)
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EMI/RFI
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Complies with EMC Directive 89/336/EEC
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Protection
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Highly water resistant and dust proof housing
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Battery options
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14 hrs on three AA alkaline cells (10 hours with optional motorized pump*)
18 hrs on rechargeable “hot-swappable” battery pack (13 hrs with optional motorized pump*)
*when equipped with oxygen, combustible, TwinTox and one additional toxic sensor
3 hours charge time.
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Size
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5.7 x 2.9 x 1.5 in. / 14.5 x 7.4 x 3.8 cm
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Weight
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13.1 oz. / 370 g
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Warranty
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Full 2-year warranty including all sensors
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Datalogger Options
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User-downloadable datalogger
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Data recorder
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All events and occurrences (calibration zero adjustment, calibration span adjustment, gas readings, TWA, STEL, alarm condition, failures detected by the microprocessor).
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Sampling rate
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Factory set at 5-second intervals and user-settable from 1 to 127-second intervals
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Storage
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2 months of continuous data via 32 MB Flash MMC card (64 MB and 128 MB cards also available); when full, the wrap-around feature replaces oldest data with most recent data
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