Bellofram Type 1000 Extended Range I/P Transducer

SKU
1000IPEX
Manufacturer:
Bellofram
Bellofram

Key Features:

  • Low Cost
  • Built-in Volume Booster
  • Small Size
  • Field Reversible
  • Low Air consumption
  • Mounts at Any Angle
  • Convenient External Span & Zero Adjusts (Except for Explosion Proof Models)
  • Light Weight
  • Wide Supply Pressure Range
  • Low Supply Pressure Sensitivity
Product Options:
$569.95

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The Type 1000 Transducer is an electropneumatic device that reduces a supply pressure to a regulated output pressure directly proportional to an electrical input signal. The Type 1000 accepts a wide range of supply pressures, ranging from a minimum of 3 psig (0.2 BAR) above the maximum output up to 100 psig (6.9 BAR). An integral pneumatic volume booster is included in the design to provide high flow capacity (up to 12 SCFM/339 slpm). Model selections include General Purpose, NEMA 4 Type Option, Extended Range, High Relief, Intrinsically Safe and Explosion Proof.

PRINCIPLE OF OPERATION

The Type 1000 Transducer is a force balance device in which a coil is suspended in the field of a magnet by a flexure. Current flowing through the coil generates axial movement of the coil and flexure. The flexure moves against the end of a nozzle, and creates a back pressure in the nozzle by restricting air flow through it.  This back pressure acts as a pilot pressure to an integral booster relay. Consequently, as the input signal increases (or decreases, for reverse acting), output pressure increases proportionally. Zero and span are calibrated by turning easily accessible adjusting screws on the front face of the unit.  The zero adjusting screw causes the nozzle to move relative to the flexure. The span adjusting screw is a potentiometer that limits the current through the coil. A thermistor circuit in series with the coil provides temperature compensation.

 

SPLIT RANGING

The 4-20 mA input, 3-15 psig output model can be recalibrated to provide 3-9 psig or 9-15 psig output, for split ranging applications.

 

MOUNTING

The Type 1000 transducers can be pipe, panel, or bracket mounted in any position. Positions other than vertical will require recalibration of the zero adjustment. For maximum output pressure stability, the Type 1000 should be mounted in a vibrationfree location or such that vibration is isolated to the X and Z axis shown on the dimensional drawings.

 

FIELD REVERSIBLE

All Type 1000 transducers are calibrated at the factory for direct acting operation but may be used in the reverse acting mode by reversing the polarity of the signal leads and recalibrating. When calibrated for reverse acting applications, the Type 1000 transducers provide a minimum of their full rated output pressure (i.e., 15, 27, or 30 psig) upon input signal failure.

 

TYPE 1000 FOR EXTENDED RANGE DESCRIPTION

The Bellofram Extended Range I/P and E/P Transducers are based on Bellofram’s proven Type 1000 transducer line - the best selling transducers in the business.  The large span adjustment range of this line allows recalibration to fit applications with output ranges from approximately 3-35 psig (0.2-2.4 BAR) to 3-145 psig (0.2-10 BAR). The units accept supply pressures up to 150 psig (10.5 BAR) and provide flow capacity to 24 SCFM (677 slpm).

 

The Type 1000 I/P and E/P Transducers are more cost effective and more accurate than typical high output systems using transducers coupled to boosting or multiplying relays.

 Type 1000
General Purpose
Type 1000
High Relief
Type 1000
Extended Range
Type 1000
Explosion Proof
Supply Pressure Range3 PSIG (0.2 BAR) above max.
output to 100 psig (7 BAR)
3 PSIG (0.2 BAR) above max.
output to 100 PSIG (7 BAR)
5 PSIG (0.4 BAR) above max.
output to 150 PSIG (10.4 BAR)
(100 PSIG / 7 BAR for 2-60 PSIG /
0.1-4.1 BAR models)
3 PSIG (0.2 BAR) above max.
output to 100 PSIG (7 BAR)
Supply Pressure Sensitivity±0.15% of span per
1.5 PSIG (0.1 BAR)
±0.15% of span per
1.5 PSIG (6.1 BAR)
±0.004% of span per
1.0 PSIG (0.07 BAR)
±0.15% of span per
1.5 PSIG (0.1 BAR)
Linearity
(terminal based)
<1.0% of span<1.0% of span<2.0% of span<1.0% of span
Repeatability<0.5% of span<0.5% of span<0.5% of span<0.5% of span
Hysteresis<1.0% of span<1.0% of span<1.0% of span<1.0% of span
Minimum Flow Rate at
Midrange 100 PSIG / 7 BAR
12 SCFM
(339 SLPM)
12 SCFM
(339 SLPM)
24 SCFM (677 SLPM)
150 PSIG (10.4 BAR) Supply
12 SCFM
(339 SLPM)
Exhaust Capacity @ 5 psig
(0.4 BAR) above setpoint
2 SCFM
(56.5 SLPM)
7 SCFM
(336 SLPM)
2 SCFM
(56.5 SLPM)
2 SCFM
(56.5 SLPM)
Air Consumption (max) at
Midrange
0.1 SCFM (2.8 SLPM)0.1 SCFM (2.8 SLPM)0.07 SCFM (2.0 SLPM)0.1 SCFM (2.8 SLPM)
Port Size
(pneumatic / electric)
1/4 NPT and 1/2 NPT1/4 NPT and 1/2 NPT1/4 NPT and 1/2 NP1/4 NPT and 1/2 NPT
Sizeinches2-1⁄8 X 2-1⁄8 X 42-1⁄8 X 2-1⁄8 X 42-1⁄8 X 2-1⁄8 X 46-13⁄32 X 5-15⁄16 X 7-9⁄16
mm54 X 54 X 10154 X 54 X 10154 X 54 X 101163 X 151 X 192
Weight2.1 lb. / 0.95 Kg2.1 lb. / 0.95 kg2.1 lb. / 0.95 kg5.2 lb. / 2.4 kg
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