Target Gas
Gas Sensor
Ammonia (NH3), measurement range 0 - 3.00% volume
Sensor
Type
Catalytic NH3
Response Time T90
< 30 seconds
Mechanical
Enclosure
ABS / Polycarbonate, corrosion resistant
Copper coated interior to reduce RF interference
IP54 rated
Weight
825 g / 29 oz
Size
127 x 127 x 61 mm / 5.0 x 5.0 x 2.4 inches
Coupler
19.5 mm / 3/4 inch NPT, cast steel
Sensor Assembly length (including coupler)
98.5 mm / 3.875 inches
User Interface
Display
Graphic LCD, grey border
Magnetic switches to initiate calibration without opening the enclosure
Input/Output
Output
Linear 4 - 20 mA analog
Maximum 216 ohm load (wiring plus termination resistor) @ 12 VDC
Maximum 316 ohm load (wiring plus termination resistor) @ 12 VAC
Voltage 0 - 10 volt
Minimum 1k ohm load
Relay
1 SPDT dry contact, rated 30 Volts, 2 Amps max
Audible Alarm
Standard internal buzzer
Electrical
Power Requirement
3-wire mode: 16-30 VDC, 3 W, Class 2
4-wire mode: 12-27 VAC, 50-60 Hz, 3 VA, Class 2
Current Draw
125 mA @ 24VDC (max)
Wiring
VDC (or ground referenced AC): 3-conductor 16 AWG stranded, shielded
VAC: 4-conductor 16 AWG stranded, shielded
Fuses
Thermal, resetting
Environmental
Operating Temperature
-20°C to 40°C (-4°F to 104°F)
Operating Humidity
0 - 80% RH non-condensing
Certifications
Conforms to
CSA-C22.2 No. 205-12, UL508 (Edition 17):2007
EMC Directive 2004/108/EC, EN 50270:2006, Type 1, EN61010
FCC. This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
RoHS compliant circuit boards