Danfoss GD Heavy Duty gas detection unit, ammonia (R717) electrochemical, 0–100 ppm, ATEX/IECEx-certified, wall-mount

Danfoss GD Heavy Duty fixed gas detection unit, code 148H6059, a factory-calibrated wall-mount detector for ammonia (R717) in refrigeration machinery rooms, cold stores and process plant. Electrochemical sensing element with a 0–100 ppm measuring range and two-level alarm relays (pre-alarm 25 ppm, main alarm 35 ppm). On-board LCD display for local annunciation. The Heavy Duty version ships with an ATEX/IECEx certificate for installation in classified hazardous areas, operating -20 to +50 °C. Supplied as a complete unit with mounting kit, cable gland and a factory calibration certificate. Supply 16–28 V DC. Integrates with Danfoss AK-SM system managers and standard alarm panels. HS 9027.10. OEM P/N 148H6059.

Type

Gas detection unit — GD Heavy Duty

Code number

148H6059

Detected gas

ammonia (R717)

Sensor technology

electrochemical

Measuring range

0–100 ppm

Pre-alarm (low) set point

25 ppm

Main alarm (high) set point

35 ppm

Local annunciation

LCD display

Supply voltage

16–28 V DC

Operating temperature

-20 to +50 °C

Hazardous-area

ATEX/IECEx certificate supplied

Enclosure

wall-mount, includes mounting kit and cable gland

Supplied with

factory calibration certificate

Approvals

ATEX; IECEx; EU RoHS; China RoHS

EAN

5702428668118

Net weight

1.311 Kilogram

Product group

Sensors

Alarmlimits high [ppm] sensor1

35 ppm

Alarmlimits low [ppm] sensor1

25 ppm

China RoHS compliance

Yes

Division

40

Equipment

LCD Display

EU RoHS compliance

Yes

Frequency [Hz]

50/60 Hz

Gas detecting sensor version

Heavy Duty

Parts included

ATEX/IECEx certificate

PFAS content [Yes/No]

No

Power consumption [A]

0.13 A

REACH Candidate List substances

No

Refrig. range [ppm] sensor1 [max]

100 ppm

Refrig. range [ppm] sensor1 [min]

0 ppm

Refrigerants

R717

Relative humidity (RH) [%] [max]

90 %

Relative humidity (RH) [%] [min]

15 %

Response delay [s]

0 s

Sensor 1 type

Electrochemical

Supply voltage [V] DC [max]

28 V

Supply voltage [V] DC [min]

16 V

Temperature range [°C] [max]

50 °C

Temperature range [°C] [min]

-20 °C

Temperature range [°F] [max]

122 °F

Temperature range [°F] [min]

-4 °F

Temperature Range

-20 to +50 °C

HS Code

9027.10