The HBSR is a Level Switch designed for detecting ammonia and brine refrigerants, ideal for industrial applications where high pressure and low temperatures are common. It is typically installed in refrigerant vessels, pump separators, or heat exchangers.
Low-temperature operation: Specifically built to function in low temperatures, with two versions to accommodate different applications:
One type with a liquid temperature range of -40 to 50°C (-40°F to 122°F) for refrigeration systems.
A second type for heat pumps with a liquid temperature range of 50 to 80°C (122°F to 176°F).
Pressure tolerance: Rated for pressures up to 100 bar (1450 psi).
Power supply: The switch operates on a 24V AC/DC power supply.
Split design: Simplifies installation and diagnostics; electronic parts can be removed with two screws.
LED indicators: Provides clear visual feedback when refrigerant is detected.
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Power supply |
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Voltage |
24 V AC/DC + 10% |
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Current consumption |
< 200 mA |
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Max. current output |
Max 50 mA |
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Plug connection |
ISO4400/DIN 43650 - 4 pins |
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Output |
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Transistor output |
PNP or NPN |
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Contact function |
NC or NO |
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Environmental conditions |
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Ambient temperature |
-30...+50°C |
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Refrigerant temperature |
-40..+50°C/+50..+80°C (Std./Heat Pump Version) |
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Max pressure |
100 bar |
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Protection degree |
IP54 * |
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Vibrations |
IEC 60068-2-6 (4g) |
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Mechanical specifications |
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Thread connection |
3/4” |
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Material - liquid parts |
AISI 304 / PTFE |
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Material- electronic parts |
Nylon 6 (PA) |
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Dimensions |
210x52x40 |
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Weight |
470 g |
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House design |
Front |
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Approvals |
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EMC test |
EN 61000-2 |
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*For outdoor and low temperature application use low temperature type with built-in heater |
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Malaysia
