GENERAL INFORMATION
1-3
Calibration: Two-point field calibration of zero
and standard reference gas
Calibration Memory:
Store up to 8 separate calibration,
alarm limits and span value
Inlet Probe: Flexible 5” tubing
Keypad: 1 operation key and 2 programming
keys
Direct Readout: Instantaneous, average, STEL and
peak value, battery voltage and
elapsed time
Intrinsic Safety: UL & cUL Class 1, Division I, Group
A,B,C,D, Temperature Code T3C (US
& Canada); EEx ia IIC T4 (Europe)
EM Interference: No effect when exposed to 0.43
W/cm
2
RF interference (5 watt
transmitter at 12 inches)
Alarm Setting: Separate alarm limit settings for Low,
High, STEL and TWA alarm
Operating Mode: Survey or Hygiene mode
Alarm: 90 dB buzzer and flashing red LEDs
to indicate exceeded preset limits, low
battery voltage, or sensor failure.
External Alarm: Optional plug-in pen-size vibration
alarm or remote alarm
Alarm Mode: Latching or automatic reset
Real-time Clock: Automatic date and time stamps on
data logged information
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