This reduces replacement costs associated with electrochemical sensors.
The Charge Carrier Injection Sensor is a progressive development to improve upon the current ammonia refrigeration detection methods. With this technology the life of our sensor is no longer limited to the ammonia exposure levels. This reduces replacement costs associated with electrochemical sensors. The Charge Carrier Injection technology also eliminates false alarms frequently associated with Metal Oxide Sensing (MOS). These, along with other features, provide reliable, cost effective, long - term safety. The transmitter is an advanced development to which all other ammonia transmitters will be compared.
Features
Long Sensor Life
Charge Carrier Injection Technology superior to Metal Oxide Sensing (MOS)
Wide Temperature Range (-45° to +140°F)
No Additional Heater Required
Low Cross Sensitivity
Eliminates Costly False Alarms
Lower Cost of Ownership
SPECIFICATIONS
Gas
Ammonia (NH3)
Detection Technique
Charged Carrier Injection
Ranges
0 (20) to 200 ppm or 0 (30) to 1000 ppm
0 (30) to 1 % volume or 0 (30) to 3 % volume
Gas Supply
Diffusion
Humidity
0 to 99 % r.h.
Pressure
800 to 1200 mbar
Temperature Range
-45°F (external sensor units) to +140° F; -28°F
(internal sensor units) to +140° F -42.7 °C to +60° C
Shielded Cable
3 wire x 20 AWG for up to 500 m; 3 wire x 18 AWG for over 500 m
Response Time
T90 less than 10 seconds
Output Signal
0.2 to 1 mA or 4 to 20 mA
Power Supply
10 to 32 V, 300 mA
Expected Sensor Life
4-5 years
Casing Protection
NEMA 4X (IP 54)
Weight and Dimensions
16 oz (450 g); 3.2 x 3 x 2.2 inches (WxHxD) , 82 x 77 x 57 mm (WxHxD)
Sensor Warranty
2 years; 4 years (optional)
CAT NO.
MODEL
DEscRIPTION
AVAIL
PRICE
DN2211004
227004
Ammonia (NH3) Transmitter, 0.20 . . . 200 ppm
Yes
1,717,200
DN2211005
227005
Ammonia (NH3) Transmitter, 0.30 . . . 1000 ppm
Yes
1,717,200
DN2211005
227005
Ammonia (NH3) Transmitter, 0.30 . . . 1000 ppm
Yes
1,717,200
DN2213003
2213003
Ammonia (NH3) Transmitter, 0.30 . . . 30000 ppm
Yes
3,888,000
DN737806
737806
Internal Sensor
Yes
3,888,000
DN737805
737805
External Sensor
Yes
1,058,400
DN7721200
7721-200
OPTIONAL Calibration kit w/o Gas FOR Transmitter for Ammonia Gas Detection
Yes
561,600
DN7803002
7803-002
OPTIONAL Calibration 200 ppm (NH3) balance air FOR Transmitter for Ammonia Gas Detection
Yes
658,800
DN7803010
7803-010
OPTIONAL Calibration 1000 ppm (NH3) balance air FOR Transmitter for Ammonia Gas Detection
Yes
658,800
DN78031000
7803-1000
OPTIONAL Calibration 10000 ppm (NH3) balance air FOR Transmitter for Ammonia Gas Detection
Yes
658,800
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