OIL SENSORS
HIGH TEMPERATURE OIL SWITCH



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INTRODUCTION

HBSO-SSR-1/xx-x/HT is a high temperature level switch for detecting common lubricating oils in refrigeration systems. The level switch is used for all oil types (PAO, PEO, mineral oil and PAG oil). Typically it is installed in/on the compressor and the oil separator, but it is also suited for installation in other locations in the oil system. The sensor's measurement principle makes it unique for these purposes, since the properties of the measurement principle allows it, among other things, to detect oil without detecting refrigerant. It is calibrated so that it is unaffected by oil spray and only allows a small amount of foam. The sensor is also constructed so as to resist high pressure and temperatures.

The sensor is suited for use on transcritical CO2 refrigeration systems.

TECHNICAL DETAILS

  Proven and reliable sensor with solid state relay output and NO/NC contact function.
Designed for the industrial refrigeration industry - max pressure up to 150 bar.
Clear LED indication.
Split design which makes it easy to install and make diagnostic. The electronic part can be disconnected easily by 2 screws.
Temperature range: 0...+145°C.

SPECIFICATIONS

Connection diagram
 

HBSO HT Electric installation web 

 

Drawing

HBSO HT dimensioner 

 

Power supply
Voltage 24 V AC/DC
Current consumption  30 mA
Plug connection M12 - DIN 0627 
Output
Output type Solid State Relay
Contact function NC or NO
Environmental conditions
Ambient temperature -30...+50°C
Oil temperature 0...+145°C
Max pressure 150 bar 
Protection degree IP65
Vibrations IEC 68-2-6 (4g)
Mechanical specifications
Thread connection 1/2", 3/4” NPT / BSPP & 1 1/8" UNEF
Material (liquid parts) AISI 304 / PTFE
Material (electronic parts) Nylon 6 (PA)
Outside dimensions 283x72x51 mm
Weight 600 g
House design Front
Approvals
EMC test EN 61000-2
Indication
Level indication 3 x LED (green)
Power supply 1 x LED (green)
Relay-on activation 1 x LED (yellow)
Alarm 1 x LED (red)

DISCLAIMER

Output Thread type Ordering code
NO 1/2" NPT HBSO-SSR-1/NO-1/HT
NO 3/4" NPT HBSO-SSR-1/NO-2/HT
NO 1/2" BSPP HBSO-SSR-1/NO-5/HT
NO 3/4" BSPP HBSO-SSR-1/NO-6/HT
NO 1 1/8" UNEF HBSO-SSR-1/NO-7/HT
NC 1/2" NPT HBSO-SSR-1/NC-1/HT
NC 3/4" NPT HBSO-SSR-1/NC-2/HT
NC 1/2" BSPP HBSO-SSR-1/NC-5/HT
NC 3/4" BSPP HBSO-SSR-1/NC-6/HT
NC 1 1/8" UNEF HBSO-SSR-1/NC-7/HT
     
Spare parts for HBSO-SSR-1/HT    
Electronic part for HBSO-SSR-1/NO/HT   HBSO-SSR-1/NO-EL/HT
Electronic part for HBSO-SSR-1/NC/HT   HBSO-SSR-1/NC-EL/HT

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