The Marsh Bellofram Type 2000S is a highly durable, intrinsically safe, E/P transducer with typical full-scale accuracy of 0.1%, crafted to deliver accurate electronic pressure control of humid (non-condensing) and oil-laden process gases within harsh industrial environments.
With a distinctive design that integrates a patented, hermetically sealed piezoceramic Dimorph and isolated electronics, the Type 2000 pressure transducer controls an incoming supply pressure down to a precision output that is directly proportional to an electrical control signal, with available pressure ranges to 120 PSIG. In addition, the Type 2000 features a top-mount cover, which provides access to field-configurable inputs and outputs, direct/reverse acting/ranging, which enables the transducer to regulate to maximum output at minimum input; and split/full ranging capabilities. The unit also boasts IP66 environmental sealing for added durability. Type 2000 is durable allowing for superior performance and longevity, making it ideal for use within corrosive environments. This design also eradicates many of the performance issues seen in other industry piezoceramic pressure transducers, such as electronic range of authority, arcing, silver electrode migration, electrode micro cracking, de-poling, and low voltage-to-work density.
Specifications
Accuracy
0.1% of full-scale output typical (0.25% guaranteed); includes effects of hysteresis, dead band, and repeatability
Electrical
Inputs
Switch-Selectable 4-20mA. 0-5, 1-5, 1-9, 1-10, or 0-10VDC
Connections
1/2 NPT or 20mm Conduit DIN Hirschmann (S model only) External Terminal Block (S model only)
1/4" (NPT, BSPT, or BSPP threads) Bottom-ported for Manifold Mounting
Exhaust
(Explosion proof only) 1/8 - 27 NPT
Ports (Gauge)
1/8 NPT
Supply
For 0–5 PSIG (0.3 BAR) Through 0–60 PSIG From 5 PSIG (0.3 BAR) above maximum output to 100 PSIG maximum For 0-100 PSIG and 0–120 PSIG Ranges From 5 PSIG (0.3 BAR) above maximum output to 140 PSIG maximum
Split-Ranging
Switch-Selectable, Full-Range or Split-Range High or Split-Range Low
Consumption
4 SCFH maximum (1.9 LPM)
Flow Capacity
Range
Sensor
Flow
PSIG
BAR
PSIG
BAR
SCFM
LPM
0-5
0-0.3
5
0.3
11
312
0-15
0-1.0
15
1.0
15
423
3-15
0.2-1.0
15
1.0
15
423
1-17
0.07-1.2
15
1.0
15
423
0-30
0-2.1
30
2.1
15
423
3-27
0.2-1.9
30
2.1
15
423
6-30
0.4-2.1
30
2.1
15
423
0-60
0-4.1
50
3.5
17
480
(Typical Flow @ 100 PSIG (6.9 BAR) in and maximum out)
0-100
0-6.9
100
6.9
21
595
0-120
0-8.3
100
6.9
21
595
(Typical Flow @ 140 PSIG (9.7 BAR) in and maximum out)
Exhaust Capacity
3 SCFM (85 LPM) @ 5 PSIG (0.3 BAR) above setpoint (0-15 PSIG range unit set at mid range)
Stability
Supply Voltage Effect
None
Supply Pressure Effect
None
Vibration Effect
<1% FS (+/-1G; 5-1000Hz)
Mounting Position Effect
None
RFI/EMI
CE-Compliant
Temperature Effect
0.02% FS/˚F (-40˚ to 180˚F [-40˚ to 82˚C])
Storage Temperature
-40˚to 200˚F (-40 to 93˚C)
Approximate Weight
3.0 lbs, 1.35 kg
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