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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.
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 |
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Connections | 1/2 NPT or 20mm Conduit DIN Hirschmann (S model only) External Terminal Block (S model only) |
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Power Supply | 5-28VDC (with voltage inputs only) | |||||
Direct/Reverse Acting | Switch-Selectable | |||||
Pneumatic | ||||||
Outputs | 0-5, 0-15, 3-15, 1-17, 0-30, 6-30, 3-27, 0-60, 0-100, or 120 PSIG 0-0.1, 0-0.3, 0-1.0, 0.2-1.0, 0.07-1.2, 0-2.1, 0.4-2.1, 0.2-1.9, 0-4.1, 0-6.9, 0-8.3 BAR |
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Ports (Input/Output) | 1/4" (NPT, BSPT, or BSPP threads) Bottom-ported for Manifold Mounting |
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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 |
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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) |
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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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