Blackbox 130 is a compact low-cost intelligent controller that offers non-contacting level measurement. The Blackbox 130 features a 4-20mA output, which can be supplied isolated or non-isolated, proportional to level and two alarm or control relays.

Blackbox Display
Blackbox 130 is available with an integral display option which extends the capability of the Blackbox range, allowing users to locally program the unit and give a readout of level. Economical and simple to program and operate, users benefit from extremely accurate and reliable digital echo processing with access to the dB Transducer range, measuring 125mm (0.41ft) right through to 40m (130ft).

Blackbox Calibration
Blackbox units can be set up using Pulsar's PC Suite and optional interface cable, which links the Blackbox RJ11 RS232 port to the PC's serial or USB port. Blackbox units can also be set up using a hand-held programming unit.



  • Compact low cost intelligent controllers
  • Will operate on all dB transducers up to 40m (130ft) range
  • Solids, powders and liquids level measurement


  • Solids, powders and liquids level measurement
  • Non-contact level measurement



Mounting option:Standard Wall Mount:Large Wall Mount:
Sensor body dimensions:

130 x 150 x 63.5 mm

(5.12 x 5.9 x 2.5 in)

130 x 180 x 85 mm

(5.12 x 7.09 x 3.35 in)

Sensor body weight:Nominal 0.65kg (1.4lbs)Nominal 0.75kg (1.65lbs)
Enclosure material/description: ABS Base with polycarbonate lid, flamability rating UL94HB

Cable entry detail:

Underside fitted with 3 x M20, nylon cable glands suitable for 6-12mm cableUnderside fitted with 3 x M20, nylon cable glands suitable for 6-12mm cable

(All Mounting Options)


Transducer cable extensions:2-core screened (2 conductor 20AWG screened)
Nominal separation:1000m (3280ft) For greater separation distances please contact us


Flammable Rating:IP66/67
Flammable atmosphere approval:All Blackbox units must be mounted in a safe area. Compatible with approved dB Transducers
Max./Min temperatures (electronics):-20 ºC to +55 ºC (-4 ºF to +131 ºF)


CE approval:See EC Declaration of Conformity in the manual
UL/C-UL:UL Listed. UL Listed to Canadian Safety Standards. Certificate Number E257330.


Accuracy/Repeability:0.25% of the measured range or 6mm (whichever is greater)
Resolution:dBMACH3 0.25mm, dB3 0.5mm, dB6 and dB10 1mm, dB15 1.5mm, dB25 2.5mm and dB40 5mm.
Min. & max. range:Dependent on Transducer. Nominally 125mm to 40m (0.41ft to 130ft)
Rate response:Fully adjustable
Echo processing:DATEM (Digital Adaptive Tracking of Echo Movement)


Analogue output:Isolated or non-isolated output of 4-20mA or 0-20mA into 1K Ω (user programmable and adjustable) 0.1% resolution
Digital output:RS232 for programming and data extraction
Volt free contacts, number & rating:2 form “C” (SPDT) rated at 2A at 240V AC
Display:2x12 alpha numeric


On-board programming

PC programming:

Via RS232 using supplied software
Programming security:Via Passcode (user selectable and adjustable)
Programmed data integrity:Via non-volatile RAM
Remote programming:Via RS232 using optional handheld calibrator


Power supply:115Vac +5% / -10% 50/60Hz, 230Vac +5% / -10% 50/60Hz, 10-28Vdc, 10W maximum power (typically 5W)
Fuses:50mA at 230Vac, 100mA at 115Vac

Power Supply

Power supply:Power supplied via Blackbox RS232 interface

Download Datasheet: Blackbox 130 Pulsar Level Measurement

Reference :

Another Article:

Sludge Finder 2 Pulsar Sludge Blanket Level Detector
Fluidwell F074 Intrinsically Safe - Level / Pump Controller
Fluidwell F Series Flow Display and Level Control
EGE Elektronik Flow sensor, Level controller and Switch
Rotary Paddle Level Switch Parker JC7