Honeywell MST Sensors NH3 Version SE 9602-6704

Honeywell MST Sensors NH3 Version SE 9602-6704

All Honeywell Analytics electrochemical sensor cells are amperometric type i.e. fuel cell type acting like batteries, where one component required to generate a current is missing:

The gas to be detected (target gas). The target gas diffuses through a gas permeable membrane into the sensor where an electrochemical reaction results in a low current that is directly proportional to the measured gas concentration.

Specification Sheet Ammonia 0-100 ppm

Sensor Type NH3 Ammonia 0-100 ppm

Part Number 9602-6704

Other detectable gases DMA, TDMAT

Measuring Principle amperometric 3-electrode sensor

Color of Sensor Cap dark brown

Specific Sensor Data programmed on PROM inside the sensor

Standard Range 0... 100 ppm

Lower Detectable Limit (LDL) 5 ppm

Maximum Range 200 ppm

MAK/TLV 20 ppm / 25 ppm

Sensitivity Decay  5 % / 6 months

Deviation from Linearity 10 % FS

(within standard range)

Zero Current at normal conditions ; ±100 nA

Sensitivity 140 nA/ppm ± 40 nA/ppm

Response Time constant within standard range

t50 ; 20 s (based on 5 min exposure time)

t90 &; 60 s (based on 5 min exposure time)

Sensor warm-up time 5 s

Operating conditions -20 ... +40 °C; 10 ... 90 % r.h. non-condensing

Storage conditions 0 ... +4 °C; 40 ... 60 % r.h. non-condensing

Temperature dependence compensated with microprocessor

Sensor life 2 years

Sensor dimensions

? Height 43 mm (1.69 )

? Diameter 20.5 mm (0.80 )

? Weight 9 g (0.31 oz)