Specifications |
Auto zero |
Yes |
Calibration |
Automatic |
Backlight |
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 |
Sensor |
Plug-in, electrochemical cell (toxic and oxygen); catalytic (LEL); infrared (IR) for carbon dioxide (CO2) |
User field options |
Confidence beep, set STEL period, force calibration on start-up, enable / disable sensor, pass code protection, latching alarms, span level, passed calibration user-lockout option, "SAFE" display function, stealth mode, fast pump, 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, clock |
ALARM INDICATORS |
Clearly advises alarm conditions with audible, visual, and vibrator alarms |
Visual alarms |
Two flashing alarm bars visible from all angles LCD indicates gas present and alarm levels encountered |
Audible alarm |
Typically 95 dB at 1 ft. / 30 cm variable pulsed audible alarm |
Vibrator alarm |
Pulses warning in gas alarm conditions, or for any status alarms |
Status alarms |
Low battery, over range, multiple gas / pump and failed or missing sensor |
ALARM LEVELS |
Instantaneous Low Alarm for all gases; Instantaneous High Alarm for all gases; TWA (time-weighted average) and STEL (short-term exposure limit) for toxics |
LCD |
Continuous, alphanumeric gas readout and status display advises |
Gas concentration |
Simultaneously and continuously displays gas concentration(s) for all sensors(in ppm, % LEL, or % v/v) |
Alarm setpoints |
Displayed on activation and on demand |
Calibration due date |
In days remaining (on start-up) |
Peak (max)/STEL/TWA ppm or % |
Records exposures and displays on demand |
Clock |
Real-time clock setting displayed on start-up |
TESTS |
Full function self-test |
Sensor integrity, circuitry, battery and audible/visual alarms on activation |
Battery |
Continuous |
GENERAL SPECIFICATIONS |
Rugged, composite material; two-shot molded polymer case with integral anti-shock boot |
Operating temperature |
-4 to +122°F / -20 to +50°C |
Humidity |
0 - 95% RH (non-condensing) |
EMI/RFI |
Complies with EMC Directive 89/336/EEC |
Protection |
Highly water resistant and dust proof housing |
Battery Options |
23 hours on three AA alkaline cells or 20 hours on rechargeable "hot-swappable" battery pack when equipped with oxygen, combustible, TwinTox (H2S/CO) and one additional toxic sensor |
Size |
5.7 x 2.9 x 1.5 in. / 14.5 x 7.4 x 3.8 cm |
Weight |
13.1 oz. / 370 g |
WARRANTY |
Full 2-year warranty including all sensors (1 year NH3 sensor) |
DATALOGGER OPTIONS |
User-downloadable datalogger |
Data recorder |
All events and occurrences (calibration zero adjustment, calibration span adjustment, gas readings, TWA, STEL, alarm condition, failures detected by the microprocessor). |
Sampling rate |
Factory set at 5-second intervals and user-settable from 1 to 127-second intervals |
Storage |
2 months of continuous data at 5 second intervals 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 |
Pump |
Optional; Sample from up to 66ft. / 20m |