Calibration & Test Equipment

Melt Pressure Transducer Simulator

What It's For
The Terwin pressure transducer simulator has been designed as a service aid to engineers that are involved in the extrusion of plastics, rubber and food.

Should a fault occur on an extrusion pressure monitoring / control system, the simulator will enable the plant engineer to check the cable assembly and associated indicator / controller / signal conditioner by simply plugging the transducer cable assembly into the simulator and checking all the functions with the eleven point rotary switch.
  • Accuracy ±0.25%
  • Full Scale Output Nominal 3mV/V
  • Configuration 350 ohm Wheatstone bridge
  • Input Resistance 350 ohm ±0.5%
  • Output Resistance 350 ohm ±0.5%
  • Range 0-100% of F.R.O. in 10% steps
  • Zero Balance ±0.25% of F.R.O.
  • Calibration Type 6-wire 80% Negative Shunt
  • Excitation 5 – 12V D.C. 

Terwin Analogue Gauge

Terwin T1500 Comparison Test Pump

What It's For
The Terwin model T1500 comparison test pump is a hydraulic comparison test pump for generating pressure up to 1,200 bar. The integrated dual-area spindle pump with switching valves enables rapid filling of the test system and smooth pressure generation. At the same time, the precisely adjustable spindle pump also serves
for pressure fine adjustment. A control schematic for pressure generation on the instrument base facilitates quick and easy operation.
  • Pressure range : 0 ... 1,200 bar
  • Pressure transmission medium : Hydraulic fluid from mineral oil / clean water, free of calciumcarbonate 1)
  • Reservoir : 170 cm³
Pressure connections
  • Test item connection : 2 x G ½ female thread, loose union connection, incl. adapter set to G ⅛, G ¼ and G ⅜ female threads
  • Distance between test connections : 290 mm
Piston of spindle pump
  • Piston diameter, low-pressure piston : 31.2 mm
  • Piston diameter, high-pressure piston : 12.7 mm
  • Displacement : approx. 10 cm³
  • Wetted parts : Austenitic stainless steel, high tensile brass, nitrile rubber
Permissible ambient conditions
  • Operating temperature : 0 ... 40 °C / 32°F … 104°F
Instrument base
  • Dimensions : 401 x 397 x 155 mm (W x D x H)
  • Weight : 13.5 kg
  • 1) Other pressure transmission media available on request.
Storage case (option)
  • Material : Wood
  • Dimensions : 664 x 614 x 380 mm (W x D x H)
  • Weight : 8.5 kg
CE conformity
  • Pressure equipment directive : 97/23/EC (PS > 1,000 bar; Module A, pressure accessory

Terwin DG7 Digital Gauge

What It's For
The Terwin DG7 Series is a battery powered micro‐processor controlled, high accuracy and versatile digital
pressure measuring instrument with integrated fast peak, maximum and minimum functions.

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