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Datasheet generated 2026-10-07
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Danfoss GD Heavy Duty gas detection unit, ammonia (R717) electrochemical, 0–300 ppm, standard, wall-mount (148H6065)

Danfoss · Hazardous Area Equipment · Fixed Gas Detection · Denmark · danfoss.com
Part Number
148H6065  ·  HS 9027.10
Danfoss GD Heavy Duty gas detection unit, ammonia (R717) electrochemical, 0–300 ppm, standard, wall-mount (148H6065)

Danfoss GD Heavy Duty fixed gas detection unit, code 148H6065, a factory-calibrated wall-mount detector for ammonia (R717) in refrigeration machinery rooms, cold stores and process plant. Electrochemical sensing element with a 0–300 ppm measuring range and two-level alarm relays (pre-alarm 25 ppm, main alarm 150 ppm). Relay outputs drive external alarm panels; no on-board display on this version. Operating temperature -40 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 148H6065.

Technical Specifications

TypeGas detection unit — GD Heavy Duty
Code number148H6065
Detected gasammonia (R717)
Sensor technologyelectrochemical
Measuring range0–300 ppm
Pre-alarm (low) set point25 ppm
Main alarm (high) set point150 ppm
Local annunciationrelay outputs (no on-board display)
Supply voltage16–28 V DC
Operating temperature-40 to +50 °C
Enclosurewall-mount, includes mounting kit and cable gland
Supplied withfactory calibration certificate
ApprovalsEU RoHS; China RoHS
EAN5702428668163
Net weight0.007 Kilogram
Product groupSensors
Alarmlimits high [ppm] sensor1150 ppm
Alarmlimits low [ppm] sensor125 ppm
China RoHS complianceYes
EU RoHS complianceYes
Frequency [Hz]50/60 Hz
Gas detecting sensor versionHeavy Duty
Parts includedCable gland
Power consumption [A]0.13 A
REACH Candidate List substancesNo
Refrig. range [ppm] sensor1 [max]300 ppm
Refrig. range [ppm] sensor1 [min]0 ppm
RefrigerantsR717
Relative humidity (RH) [%] [max]90 %
Relative humidity (RH) [%] [min]15 %
Response delay [s]0 s
Sensor 1 typeElectrochemical
Supply voltage [V] DC [max]28 V
Supply voltage [V] DC [min]16 V
Temperature range [°C] [max]50 °C
Temperature range [°C] [min]-40 °C
Temperature range [°F] [max]122 °F
Temperature range [°F] [min]-40 °F

Properties

Temperature range-40 to +50 °C
MOQ1

Compatibility

Confirm the target gas (ammonia (R717)), detection range (0–300 ppm) and supply voltage (16–28 V DC) match the installation before ordering; the sensor element is gas-specific and factory-calibrated. Standard (non-ATEX) version — for classified hazardous areas order the ATEX/IECEx-certified Heavy Duty version instead.

Standards

Approvals

Attached Documents