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Useful info

Liquid Level Sensor - AKS41 - Ammonia, HFC, HFO & CFC

Technical data: HBLT-A1

The HBLT-A1 capacitive Liquid Level Sensor is designed to measure liquid levels in refrigerant vessels, including those using ammonia, HFC, HFO, and CFC. It transmits an active 4-20 mA signal that correlates with the liquid level: 4 mA indicates no liquid, while 20 mA signals that the entire transmitter is submerged. This makes it a versatile tool for monitoring and controlling liquid levels in industrial refrigeration systems.


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Product features

  • Liquid temperature range: Operate across a temperature range of -60°C to 80°C (-76°F to 176°F).
  • Pressure tolerance: Rated for pressures up to 100 bar (1450 psi).
  • Power supply: The sensor operates on a 24V DC power supply.
  • Split design: Simplifies installation and diagnostics; electronic parts can be removed with two screws.

Applications

HBLT C1 pump control

Specifications

Connection diagram

HBLT-A1 eldiagram

Drawing

 

Thread:  1" BSPPHBLT A1 SAM R3

 

Thread:  3/4" NPT

HBLT A1U SAM R3

Power supply
Voltage24 AC/DC + 10%
Max. possible resistance500 ohm
Plug connectionDIN 43650 - 4 pins
Output
Analog output 4-20 mA
Environmental conditions
Ambient temperature-30...+50°C
Max. pressure100 bar
Protection degreeIP65
VibrationsIEC 60068-2-6 (4g)
Mechanical specifications
Thread connections3/4” NPT & 1" BSP
Material - liquid partsAISI 304 / PTFE
Material - electronic partsCoated aluminium
House typeFront
Approvals
EMC testEN 61000-2
Indication
Bargraph indicationRed LED
Configurations
ConfigurationPush button

Ordering code

Length / threadOrdering code without LEDOrdering code with LED
280 mm / 1" BSPHBLT-A1-2.8HBLT-A1B-2.8
500 mm / 1" BSPHBLT-A1-5HBLT-A1B-5
800 mm / 1" BSPHBLT-A1-8HBLT-A1B-8
1000 mm / 1" BSPHBLT-A1-10HBLT-A1B-10
1200 mm / 1" BSPHBLT-A1-12HBLT-A1B-12
1500 mm / 1" BSPHBLT-A1-15HBLT-A1B-15
1700 mm / 1" BSPHBLT-A1-17HBLT-A1B-17
2200 mm / 1" BSPHBLT-A1-22HBLT-A1B-22
3000 mm / 1" BSPHBLT-A1-30HBLT-A1B-30
12" / 3/4 NPTHBLT-A1-12UHBLT-A1B-12U
15,3" / 3/4 NPTHBLT-A1-15.3UHBLT-A1B-15.3U
19,2" / 3/4 NPTHBLT-A1-19.2UHBLT-A1B-19.2U
23,1" / 3/4 NPTHBLT-A1-23.1UHBLT-A1B-23.1U
30" / 3/4 NPTHBLT-A1-30UHBLT-A1B-30U
35" / 3/4 NPTHBLT-A1-35UHBLT-A1B-35U
45" / 3/4 NPTHBLT-A1-45UHBLT-A1B-45U
55" / 3/4 NPTHBLT-A1-55UHBLT-A1B-55U
65" / 3/4 NPTHBLT-A1-65UHBLT-A1B-65U
85" / 3/4 NPTHBLT-A1-85UHBLT-A1B-85U
105" / 3/4 NPTHBLT-A1-105UHBLT-A1B-105U
120" / 3/4 NPTHBLT-A1-120UHBLT-A1B-120U
Electronic partsHBLT-A1-ELHBLT-A1B-EL

Downloads

Quick guide - HBLT-A1

Instruction manual - HBLT-A1

Drawing (STEP file) - HBLT-A1

Russian Technical Regulations TR CU 020/2011

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