HBProducts | Liquid Level Sensors | NH3 ,Water & Alcohol | Tank Standpipe
Technical data: HBLT-A3
HBLT-A3 capacitive liquid level transmitters are used to measure liquid levels in refrigerant vessels, Heat Pumps and other industrial applications. The sensor transmits a current signal from 4 to 20 mA (4 mA when the transmitter does not register liquid - and 20 mA when the entire transmitter is surrounded by liquid).
HBLT-A3 is an intelligent sensor with a built-in microprocessor. It emits a 4-20 mA signal, which is proportional to the sensor’s preset range of measurement. Apart from the 4-20 mA signal the sensor also has a built-in controller. The controller can be configured with all the parameters necessary for controlling a modulating motor valve, stepper valve or a PWM valve.
Available as 2-wire sensor with ATEX / IECEx certificate (This version is without LED display)
Product features
- Advanced setting for controlling modulating valve
- 5m M12 cable included
- Easy configuration of the sensor
- The HBLT-A3 is a perfect solution under turbulent conditions like marine applications
- Split design which makes it possible to make easy installation and diagnostics
Application

Specification

Power supply | Mechanical specifications | ||
Voltage | 24 AC/DC + 10% | Thread connections | 3/4” NPT / BSP |
Plug connection | M12, 5 pins - DIN 0627 | Material - mechanical parts | AISI 304 / PTFE |
Output | Material - electronic parts | Nylon 6 (PA) | |
Analog output | 4-20 mA | House type | Angle |
Environmental conditions | Approvals | ||
Ambient temperature | -30...+50°C | EMC test | EN 61000-2 |
Refrigerant temperature | -60...+110°C | Indication | |
Max. pressure | 100 bar | LED indication | Green, yellow, and red |
Protection class | IP65 | ||
Vibrations | IEC 60068-2-6 (4g) |
Ordering Code
Length / thread | Valve type | Ordering code with LED | Length / thread | Valve type | Ordering code with LED |
200 mm / 3/4" BSPP | No direct valve control mA only | HBLT-A3-2-6 | 200 mm / 3/4" BSPP | Stepper Motor | HBSLT/S-A3-2-6 |
300 mm / 3/4" BSPP | No direct valve control mA only | HBLT-A3-3-6 | 300 mm / 3/4" BSPP | Stepper Motor | HBSLT/S-A3-3-6 |
400 mm / 3/4" BSPP | No direct valve control mA only | HBLT-A3-4-6 | 400 mm / 3/4" BSPP | Stepper Motor | HBSLT/S-A3-4-6 |
500 mm / 3/4" BSPP | No direct valve control mA only | HBLT-A3-5-6 | 500 mm / 3/4" BSPP | Stepper Motor | HBSLT/S-A3-5-6 |
600 mm / 3/4" BSPP | No direct valve control mA only | HBLT-A3-6-6 | 600 mm / 3/4" BSPP | Stepper Motor | HBSLT/S-A3-6-6 |
700 mm / 3/4" BSPP | No direct valve control mA only | HBLT-A3-7-6 | 700 mm / 3/4" BSPP | Stepper Motor | HBSLT/S-A3-7-6 |
800 mm / 3/4" BSPP | No direct valve control mA only | HBLT-A3-8-6 | 800 mm / 3/4" BSPP | Stepper Motor | HBSLT/S-A3-8-6 |
900 mm / 3/4" BSPP | No direct valve control mA only | HBLT-A3-9-6 | 900 mm / 3/4" BSPP | Stepper Motor | HBSLT/S-A3-9-6 |
1000 mm / 3/4" BSPP | No direct valve control mA only | HBLT-A3-10-6 | 1000 mm / 3/4" BSPP | Stepper Motor | HBSLT/S-A3-10-6 |
1100 mm / 3/4" BSPP | No direct valve control mA only | HBLT-A3-11-6 | 1100 mm / 3/4" BSPP | Stepper Motor | HBSLT/S-A3-11-6 |
1200 mm / 3/4" BSPP | No direct valve control mA only | HBLT-A3-12-6 | 1200 mm / 3/4" BSPP | Stepper Motor | HBSLT/S-A3-12-6 |
1300 mm / 3/4" BSPP | No direct valve control mA only | HBLT-A3-13-6 | 1300 mm / 3/4" BSPP | Stepper Motor | HBSLT/S-A3-13-6 |
1400 mm / 3/4" BSPP | No direct valve control mA only | HBLT-A3-14-6 | 1400 mm / 3/4" BSPP | Stepper Motor | HBSLT/S-A3-14-6 |
1500 mm / 3/4" BSPP | No direct valve control mA only | HBLT-A3-15-6 | 1500 mm / 3/4" BSPP | Stepper Motor | HBSLT/S-A3-15-6 |
1700 mm / 3/4" BSPP | No direct valve control mA only | HBLT-A3-17-6 | 1700 mm / 3/4" BSPP | Stepper Motor | HBSLT/S-A3-17-6 |
2000 mm / 3/4" BSPP | No direct valve control mA only | HBLT-A3-20-6 | 2000 mm / 3/4" BSPP | Stepper Motor | HBSLT/S-A3-20-6 |
2500 mm / 3/4" BSPP | No direct valve control mA only | HBLT-A3-25-6 | 2500 mm / 3/4" BSPP | Stepper Motor | HBSLT/S-A3-25-6 |
3000 mm / 3/4" BSPP | No direct valve control mA only | HBLT-A3-30-6 | 3000 mm / 3/4" BSPP | Stepper Motor | HBSLT/S-A3-30-6 |
200 mm / 3/4" NPT | No direct valve control mA only | HBLT-A3-2-2 | 200 mm / 3/4" NPT | Stepper Motor | HBSLT/S-A3-2-2 |
300 mm / 3/4" NPT | No direct valve control mA only | HBLT-A3-3-2 | 300 mm / 3/4" NPT | Stepper Motor | HBSLT/S-A3-3-2 |
400 mm / 3/4" NPT | No direct valve control mA only | HBLT-A3-4-2 | 400 mm / 3/4" NPT | Stepper Motor | HBSLT/S-A3-4-2 |
500 mm / 3/4" NPT | No direct valve control mA only | HBLT-A3-5-2 | 500 mm / 3/4" NPT | Stepper Motor | HBSLT/S-A3-5-2 |
600 mm / 3/4" NPT | No direct valve control mA only | HBLT-A3-6-2 | 600 mm / 3/4" NPT | Stepper Motor | HBSLT/S-A3-6-2 |
700 mm / 3/4" NPT | No direct valve control mA only | HBLT-A3-7-2 | 700 mm / 3/4" NPT | Stepper Motor | HBSLT/S-A3-7-2 |
800 mm / 3/4" NPT | No direct valve control mA only | HBLT-A3-8-2 | 800 mm / 3/4" NPT | Stepper Motor | HBSLT/S-A3-8-2 |
900 mm / 3/4" NPT | No direct valve control mA only | HBLT-A3-9-2 | 900 mm / 3/4" NPT | Stepper Motor | HBSLT/S-A3-9-2 |
1000 mm / 3/4" NPT | No direct valve control mA only | HBLT-A3-10-2 | 1000 mm / 3/4" NPT | Stepper Motor | HBSLT/S-A3-10-2 |
1100 mm / 3/4" NPT | No direct valve control mA only | HBLT-A3-11-2 | 1100 mm / 3/4" NPT | Stepper Motor | HBSLT/S-A3-11-2 |
1200 mm / 3/4" NPT | No direct valve control mA only | HBLT-A3-12-2 | 1200 mm / 3/4" NPT | Stepper Motor | HBSLT/S-A3-12-2 |
1300 mm / 3/4" NPT | No direct valve control mA only | HBLT-A3-13-2 | 1300 mm / 3/4" NPT | Stepper Motor | HBSLT/S-A3-13-2 |
1400 mm / 3/4" NPT | No direct valve control mA only | HBLT-A3-14-2 | 1400 mm / 3/4" NPT | Stepper Motor | HBSLT/S-A3-14-2 |
1500 mm / 3/4" NPT | No direct valve control mA only | HBLT-A3-15-2 | 1500 mm / 3/4" NPT | Stepper Motor | HBSLT/S-A3-15-2 |
1700 mm / 3/4" NPT | No direct valve control mA only | HBLT-A3-17-2 | 1700 mm / 3/4" NPT | Stepper Motor | HBSLT/S-A3-17-2 |
2000 mm / 3/4" NPT | No direct valve control mA only | HBLT-A3-20-2 | 2000 mm / 3/4" NPT | Stepper Motor | HBSLT/S-A3-20-2 |
2500 mm / 3/4" NPT | No direct valve control mA only | HBLT-A3-25-2 | 2500 mm / 3/4" NPT | Stepper Motor | HBSLT/S-A3-25-2 |
3000 mm / 3/4" NPT | No direct valve control mA only | HBLT-A3-30-2 | 3000 mm / 3/4" NPT | Stepper Motor | HBSLT/S-A3-30-2 |
Electronic part for HBLT-A3 | No direct valve control mA only | HBLT-A3-EL | Electronic part for HBSLT/S-A3 | Stepper Motor | HBSLT/S-A3-EL |
200 mm / 3/4" BSPP | Modulating | HBSLT/C-A3-2-6 | 200 mm / 3/4" BSPP | PWM | HBSLT/PWM-A3-2-6 |
300 mm / 3/4" BSPP | Modulating | HBSLT/C-A3-3-6 | 300 mm / 3/4" BSPP | PWM | HBSLT/PWM-A3-3-6 |
400 mm / 3/4" BSPP | Modulating | HBSLT/C-A3-4-6 | 400 mm / 3/4" BSPP | PWM | HBSLT/PWM-A3-4-6 |
500 mm / 3/4" BSPP | Modulating | HBSLT/C-A3-5-6 | 500 mm / 3/4" BSPP | PWM | HBSLT/PWM-A3-5-6 |
600 mm / 3/4" BSPP | Modulating | HBSLT/C-A3-6-6 | 600 mm / 3/4" BSPP | PWM | HBSLT/PWM-A3-6-6 |
700 mm / 3/4" BSPP | Modulating | HBSLT/C-A3-7-6 | 700 mm / 3/4" BSPP | PWM | HBSLT/PWM-A3-7-6 |
800 mm / 3/4" BSPP | Modulating | HBSLT/C-A3-8-6 | 800 mm / 3/4" BSPP | PWM | HBSLT/PWM-A3-8-6 |
900 mm / 3/4" BSPP | Modulating | HBSLT/C-A3-9-6 | 900 mm / 3/4" BSPP | PWM | HBSLT/PWM-A3-9-6 |
1000 mm / 3/4" BSPP | Modulating | HBSLT/C-A3-10-6 | 1000 mm / 3/4" BSPP | PWM | HBSLT/PWM-A3-10-6 |
1100 mm / 3/4" BSPP | Modulating | HBSLT/C-A3-11-6 | 1100 mm / 3/4" BSPP | PWM | HBSLT/PWM-A3-11-6 |
1200 mm / 3/4" BSPP | Modulating | HBSLT/C-A3-12-6 | 1200 mm / 3/4" BSPP | PWM | HBSLT/PWM-A3-12-6 |
1300 mm / 3/4" BSPP | Modulating | HBSLT/C-A3-13-6 | 1300 mm / 3/4" BSPP | PWM | HBSLT/PWM-A3-13-6 |
1400 mm / 3/4" BSPP | Modulating | HBSLT/C-A3-14-6 | 1400 mm / 3/4" BSPP | PWM | HBSLT/PWM-A3-14-6 |
1500 mm / 3/4" BSPP | Modulating | HBSLT/C-A3-15-6 | 1500 mm / 3/4" BSPP | PWM | HBSLT/PWM-A3-15-6 |
1700 mm / 3/4" BSPP | Modulating | HBSLT/C-A3-17-6 | 1700 mm / 3/4" BSPP | PWM | HBSLT/PWM-A3-17-6 |
2000 mm / 3/4" BSPP | Modulating | HBSLT/C-A3-20-6 | 2000 mm / 3/4" BSPP | PWM | HBSLT/PWM-A3-20-6 |
2500 mm / 3/4" BSPP | Modulating | HBSLT/C-A3-25-6 | 2500 mm / 3/4" BSPP | PWM | HBSLT/PWM-A3-25-6 |
3000 mm / 3/4" BSPP | Modulating | HBSLT/C-A3-30-6 | 3000 mm / 3/4" BSPP | PWM | HBSLT/PWM-A3-30-6 |
200 mm / 3/4" NPT | Modulating | HBSLT/C-A3-2-2 | 200 mm / 3/4" NPT | PWM | HBSLT/PWM-A3-2-2 |
300 mm / 3/4" NPT | Modulating | HBSLT/C-A3-3-2 | 300 mm / 3/4" NPT | PWM | HBSLT/PWM-A3-3-2 |
400 mm / 3/4" NPT | Modulating | HBSLT/C-A3-4-2 | 400 mm / 3/4" NPT | PWM | HBSLT/PWM-A3-4-2 |
500 mm / 3/4" NPT | Modulating | HBSLT/C-A3-5-2 | 500 mm / 3/4" NPT | PWM | HBSLT/PWM-A3-5-2 |
600 mm / 3/4" NPT | Modulating | HBSLT/C-A3-6-2 | 600 mm / 3/4" NPT | PWM | HBSLT/PWM-A3-6-2 |
700 mm / 3/4" NPT | Modulating | HBSLT/C-A3-7-2 | 700 mm / 3/4" NPT | PWM | HBSLT/PWM-A3-7-2 |
800 mm / 3/4" NPT | Modulating | HBSLT/C-A3-8-2 | 800 mm / 3/4" NPT | PWM | HBSLT/PWM-A3-8-2 |
900 mm / 3/4" NPT | Modulating | HBSLT/C-A3-9-2 | 900 mm / 3/4" NPT | PWM | HBSLT/PWM-A3-9-2 |
1000 mm / 3/4" NPT | Modulating | HBSLT/C-A3-10-2 | 1000 mm / 3/4" NPT | PWM | HBSLT/PWM-A3-10-2 |
1100 mm / 3/4" NPT | Modulating | HBSLT/C-A3-11-2 | 1100 mm / 3/4" NPT | PWM | HBSLT/PWM-A3-11-2 |
1200 mm / 3/4" NPT | Modulating | HBSLT/C-A3-12-2 | 1200 mm / 3/4" NPT | PWM | HBSLT/PWM-A3-12-2 |
1300 mm / 3/4" NPT | Modulating | HBSLT/C-A3-13-2 | 1300 mm / 3/4" NPT | PWM | HBSLT/PWM-A3-13-2 |
1400 mm / 3/4" NPT | Modulating | HBSLT/C-A3-14-2 | 1400 mm / 3/4" NPT | PWM | HBSLT/PWM-A3-14-2 |
1500 mm / 3/4" NPT | Modulating | HBSLT/C-A3-15-2 | 1500 mm / 3/4" NPT | PWM | HBSLT/PWM-A3-15-2 |
1700 mm / 3/4" NPT | Modulating | HBSLT/C-A3-17-2 | 1700 mm / 3/4" NPT | PWM | HBSLT/PWM-A3-17-2 |
2000 mm / 3/4" NPT | Modulating | HBSLT/C-A3-20-2 | 2000 mm / 3/4" NPT | PWM | HBSLT/PWM-A3-20-2 |
2500 mm / 3/4" NPT | Modulating | HBSLT/C-A3-25-2 | 2500 mm / 3/4" NPT | PWM | HBSLT/PWM-A3-25-2 |
3000 mm / 3/4" NPT | Modulating | HBSLT/C-A3-30-2 | 3000 mm / 3/4" NPT | PWM | HBSLT/PWM-A3-30-2 |
Electronic part for HBSLT/C-A3 | Modulating | HBSLT/C-A3-EL | Electronic part for HBSLT/PWM-A3 | PWM | HBSLT/PWM-A3-EL |
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