Danfoss GDA gas detection unit, ammonia (R717) electrochemical, 0–1000 ppm, LCD, wall-mount
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Product Description
Danfoss GDA fixed gas detection unit, code 148H6020, a factory-calibrated wall-mount detector for ammonia (R717) in refrigeration machinery rooms, cold stores and process plant. Electrochemical sensing element with a 0–1000 ppm measuring range and two-level alarm relays (pre-alarm 500 ppm, main alarm 900 ppm). On-board LCD display, flexible/remote-capable sensor for local annunciation. Supplied as a complete unit with mounting kit, cable gland and a factory calibration certificate. Supply 19–29 V DC. Integrates with Danfoss AK-SM system managers and standard alarm panels. HS 9027.10. OEM P/N 148H6020.
Technical Specifications
- Type
- Gas detection unit — GDA
- Code number
- 148H6020
- Detected gas
- ammonia (R717)
- Sensor technology
- electrochemical
- Measuring range
- 0–1000 ppm
- Pre-alarm (low) set point
- 500 ppm
- Main alarm (high) set point
- 900 ppm
- Local annunciation
- LCD display, flexible/remote-capable sensor
- Supply voltage
- 19–29 V DC
- Operating temperature
- -20 to +50 °C
- Enclosure
- wall-mount, includes mounting kit and cable gland
- Supplied with
- factory calibration certificate
- Approvals
- EU RoHS; China RoHS
- EAN
- 5714279919837
- Net weight
- 0.485 Kilogram
- Product group
- Sensors
- Alarmlimits high [ppm] sensor1
- 900 ppm
- Alarmlimits low [ppm] sensor1
- 500 ppm
- China RoHS compliance
- Yes
- Division
- 40
- Equipment
- LCD Display
- EU RoHS compliance
- Yes
- Gas detecting sensor version
- Premium Flex
- Parts included
- Cable gland
- PFAS content [Yes/No]
- No
- Power consumption [A]
- 0.21 A
- REACH Candidate List substances
- No
- Refrig. range [ppm] sensor1 [max]
- 1000 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]
- 29 V
- Supply voltage [V] DC [min]
- 19 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
Standards & Compliance
- Temperature Range
- -20 to +50 °C
- HS Code
- 9027.10
Compatibility & Fitment
Confirm the target gas (ammonia (R717)), detection range (0–1000 ppm) and supply voltage (19–29 V DC) match the installation before ordering; sensor element is gas-specific and factory-calibrated. Alarm set points 500/900 ppm are the Danfoss defaults; display-equipped GD versions allow the thresholds to be reconfigured.
Product Documentation
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Technical guides
- Cross-Referencing Danfoss Refrigeration Components by IMPA and OEM Code
- Danfoss Product Code Decoder — 003Z, 013G, 017B, 023U, 027L, 032F, 060G, 060H, 065B, 065Z, 068Z, 084H, 132F, 148B Series (Complete Reference)
- Danfoss Maneurop MTZ Reciprocating Compressors — Model Range, Voltage Codes and Replacement Guide
Catalogue entry last verified: 2026-08-13. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.
Frequently asked questions
- Where can I buy 148H6020?
- 148H6020 can be ordered from cballast.com as a Danfoss catalogue item: request a quotation on this page or email sales@cballast.com, and the order ships worldwide.
- What is the manufacturer part number for this Danfoss product?
- The manufacturer part number is 148H6020.
- What is the HS code for 148H6020?
- The customs tariff (HS) code for 148H6020 is 9027.10.
- Who manufactures 148H6020?
- 148H6020 is a Danfoss product in the Hazardous Area Equipment range.
- Is a datasheet available for 148H6020?
- Yes — the 148H6020 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 148H6020?
- The minimum order quantity is 1.
- Is 148H6020 available?
- Yes — 148H6020 is available to order: fulfilment is from supplier stock in cBallast's European network, dispatched directly from the warehouse to the customer, with the exact lead time stated in the quotation (reply within 24 hours).