| Sensors | 
Electrochemical sensors, catalytic bead, PID, Infrared | 
| Alarms | 
Visual, vibrating, audible (95dB) 
Low, High, STEL, TWA, OL (over limit) | 
| Tests | 
Sensor integrity, circuitry, battery and audible/visual alarms on activation, battery (continuous) | 
| Pump | 
Optional: Sample from up to 66 feet | 
| User Options | 
Confidence beep, set STEL interval, set TWA method, sensor on/off, latching alarms, safe display mode, stealth mode, adjust clock, set datalogger rate, passcode protection, correction factor library (LEL, & PID), fast pump, combustible gas measurement (%LEL or % by volume methane), Oxygen auto calibration on start up, automatic backlight, sleep mode, user settable calibration gas level, calibration due lockout, daily bump test, high resolution | 
| Humidity | 
10-100% rH, non-condensing | 
| Operating Temperature | 
-4 – 122ºF | 
| Ratings | 
EMI/RFI: Complies EMC Directive 89/336/EEC 
IP 65/66 | 
| Intrinsic Ratings | 
UL: Class I, Division 1, Groups A, B, C, D 
ATEX: CE Ex II 1, Ga Ex ia IIC T4, CE ex II 2 G (IR model only), Ex d ia IIC T4 
IECEX: Ga Ex ia IIC T4, Ex d ia IIC T4 (IR model only) | 
| Warranty | 
Full two year warranty, 1 year on ammonia, chlorine, ozone, chlorine dioxide sensors | 
| Size | 
5.7″ x 2.9″ x 1.5″ | 
| Weight | 
13 ounces |