Operating temperature | -20°C to +50°C (-4°F to +122°F) |
Storage temperature | -40°C to +60°C (-40°F to +140°F) |
Operating humidity | 10% to 100% relative humidity (non-condensing) |
Dust and moisture ingress | IP666/67 |
Alarm setpoints | May vary by region and are user-defined |
O2 measuring principle | Capillary controlled concentration sensor |
Alarm conditions | TWA alarm, STEL alarm, low alarm, high alarm, multi-gas alarm, over limit (OL) alarm, low battery alarm, confidence beep, automatic deactivation alarm, pump alarm |
Audible alarm | 95 dB+ at 30 cm variable pulsed beeper with full battery charge |
Visual alarm | Red light-emitting diodes (LEDs) |
Display | Alphanumeric liquid crystal display (LCD) |
Backlight | Activates upon startup and when the pushbutton is pressed; deactivates after 10 seconds. Activates during an alarm condition and remains lit until alarm ceases |
Self-test | Initiated during activation, self-test runs continuously while detector is operational |
Calibration | Automatic zero and automatic span |
User field options | Startup message, lockout on self-test error, safe mode, confidence beep, latching alarm, force calibration, cal IR lock, force bump, location logging, force block test, set datalog interval, set confidence interval, language selection. |
Sensor Options | Sensor enable/disable, set span concentration values, set calibration interval, set bump interval, set alarm setpoints, set STEL interval, set TWA period, auto zero at startup enable/disable, 5% overspan, low alarm acknowledge, oxygen measurement, and combustible gas measurement |