Detectors for Ammonia (NH3)

Measuring principle

Standard range

Types

Output

Semi conductive

0-4000 ppm

Gx230-(NH3), Gx24-(NH3)

Three relays

GJ-EX-NH3-4000

Depending on monitoring unit

MP-series

Depending on monitoring unit

Chemosorption

CS-21-(NH3)

4-20mA

Charge carrier inject.

30-200 ppm

CI21-200

4-20mA

30-1000 ppm

CI21-1000

4-20mA

30-10000 ppm

CI21-10000

4-20mA

Catalytic

300-20000 ppm

CEX300-(NH3)

Depending on monitoring unit

0-40000 ppm (4%)

CC28-NH3

4-20mA

Electrochemical

0-1000 ppm

OLCT40-(NH3)

4-20mA

0-1000 ppm

EC28-NH3-1000

4-20mA

IR absorption (NDIR)

0-25000 ppm

IR-em 8 / IR-em 16

One (1) DO / channel. Two alarm relays and fault relay

Detectors for refrigerant as HFC (HCFC, CFC) and mixtures

The HFC detector is also used for HCFC and CFC gas.

Measuring principle

Standard range

Types

Output

Semi conductive

0-4000 ppm

Gx230-HFC, Gx24-HFC

Three relays

MP-series

Depending on monitoring unit

Chemosorption

CS21-HFC

4-20mA

IR absorption (NDIR)

0-25000 ppm

IR-em 8 / IR-em 16

One (1) DO / channel. Two alarm relays and fault relay

Detectors for flammable Hydrocarbon gases (CH) as propane (LPG), methane etc

Measuring principle

Standard range

Types

Output

Semi conductive /

0-40% LEL

GS230-(CH), GS24-(CH)

Three relays

GJ-EX-(CH)

Depending on monitoring unit

MP-DS-(CH)

Depending on monitoring unit

Chemosorption

0-50% LEL

CS21-Methane-50

4-20mA

Catalytic

0-100% LEL

CEX300

Depending on monitoring unit

0-100% LEL

TR5200-DC

4-20mA

Detectors for carbon dioxide (CO2)

Measuring principle

Standard range

Types

Output

IR absorption (NDIR)

0-5000, (0-30000) ppm

aSense  (Room mounting IP21, IP54)

4-20mA / (0-10V), relay

UG-aSense (Duct mounting)

4-20mA / (0-10V), relay

LT-aSense (Freezing rooms IP54)

4-20mA / (0-10V), relay