McMaster 4936K662 Washer for 1 4 BSPP Male Compact Extreme Pressure Steel Pipe Fitting G4301534 Passive Line Trace 50 60 Hz Passive Line Trace 50 60 Hz Antenna Upper And Lower Multi Directional Antenna Nodes Operating Temp 40 Degrees to 60 Degrees C Product Type Single Gas Detector Series GasBadge Pro Operating Humidity Maximum 99 % Measurement Range Ammonia (0 to 500 ppm in 1 ppm) Resistance Properties Water Resistant Display Screen Type LCD Battery Voltage 3 V Operating Humidity Minimum 0 % Battery Chemistry Lithium Gas Detected Ammonia Operating Temperature Minimum 40 Degrees F Number of Gases Detected 1 Housing Color Black Temperature Code T4 Housing Material Polycarbonate Operating Temperature Maximum 140 Degrees F Number of Batteries Required 1 Alert Type Vibration Alarm Setting Adjustment Adjustable Alarm Setting Power Source Battery IP Rating IP64 Data Logger Yes Rechargeable Battery No Sensor Type Infrared Sensor Life 1 yr (NH3) Includes Mounting Hardware Yes Alarm Volume Level 95 dB Replaceable Battery Yes Includes Probe No Communication Protocol PC Compatible Interface Maintainability Maintainable Chemical Formula CL2 Specialty Metals COTS Exempt Prevent leaks while distributing weight evenly under nuts and screws