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Sorry, this family of products is no longer available. The recommended replacement product is 226b-differential-capacitance-manometers.
226A Baratron® 0.2 - 1000 Torr Differential Capacitance Manometers
226A Baratron® 0.2 - 1000 Torr Differential Capacitance Manometers
The 226A Differential Baratron® is a general-purpose differential capacitance manometer available in full-scale measurement ranges from 0.2 to 1000 Torr and can be configured with a wide variety of fittings, input/output signals, and electrical connectors.
Specifications
- TypePressure Transducer
- Sensor TypeCapacitance Manometer
- Measurement TypeDifferential
- Full Scale Pressure Ranges0.2, 1, 2, 5, 10, 20, 50, 100, 200, and 1000 Torr and equivalents in kPa, mbar, inches H2O, and cm H2O
- Output Signal0 - 1VDC, 0 - 5VDC, 0 - 10VDC > 10 k Ω load; or 2-wire 4-20 mA from +24VDC supply into < 500 Ω load
- Fitting TypeStandard: 1/4 inch OD (6.4 mm) tubes
Optional: Various - Electrical Connector9-pin D-subminiature standard, terminal block and flying leads optional
- Resolution0.01% of Full Scale
- Accuracy0.50% of Full Scale unidirectional or bidirectional standard; 0.30% of Full Scale unidirectional or bidirectional, and 0.30% of Reading (unidirectional calibrations only)
- Zero Temperature Coefficient0.1% Full Scale/°C for standard accuracy specification
- Span Temperature Coefficient0.04% of Reading/°C
- Sensor Internal VolumeMeasurement Side (Px): 1.4 cm
Reference Side (Pr): 9.0 cm
(when equipped with standard 1/4-inch (6.4 mm) O.D. inlet and reference tubes) - Ambient Operating Temperature0° to 50°C
- Maximum OverpressureMeasurement Side (Px): 120% of Full Scale or 20 psi (140 kPa), whichever is higher
Reference Side (Pr): 120% of Full Scale - Maximum Line Pressure40 psig (275 kPa)
- Materials Exposed to Process GasesMeasurement Side (Px): Inconel
Reference Side (Pr): Inconel, ceramic, palladium, stainless steel, glass - Power Requirements±15VDC (±5%) or +13VDC to +30VDC @ 25 mA, ripple less than 20 mV
- ComplianceCE, SEMI S2
Accessories
Compatible Cables
| Compare | Description | Drawings, CAD & Specs | Avail. | Price | ||
|---|---|---|---|---|---|---|
 | RCB226S-1-M1Manometer Cable, PDR2000 Controller to 226A Manometers, 10 ft., RoHS | |||||
| RCB226S-3-10Manometer Cable, 250 Controller to 226A Manometer, 10 ft., RoHS | |||||
| RCB226S-2-10Manometer Cable, 660, PR4000B or 651 Controllers to 226A Manometers, 10 ft., RoHS |
Power Supplies and Displays
| Compare | Description | Drawings, CAD & Specs | Avail. | Price | ||
|---|---|---|---|---|---|---|
 | PR4000BF2V2Digital Power Supply, Display, 2 Channel, RS232, ±15VDC, 1.5 Amp | |||||
| PR4000BF2V3Digital Power Supply, Display, 2 Channel, RS232, ±24VDC, 1.0 Amp | |||||
| PR4000BF5V2Digital Power Supply, Display, 2 Channel, RS485, ±15VDC, 1.5 Amp | |||||
| PR4000BS2V2Digital Power Supply, Display, 1 Channel, RS232, ±15VDC, 1.5 Amp | |||||
| PR4000BS2V3Digital Power Supply, Display, 1 Channel, RS485, ±24VDC, 1.0 Amp | |||||
| PR4000BF5V3Digital Power Supply, Display, 2 Channel, RS485, ±24VDC, 1.0 Amp | |||||
 | PDR2000AODigital Power Supply, Display, 2 Channels, RS232, ±15 VDC, 0.75 Amp | In Stock |
Resources
Manuals
226A/228A Baratron® Pressure Transducer Manual (1028109-001)(579.6 kB, PDF) 226 Differential Capacitance Manometer Pin-outs(31.7 kB, PDF)
Literature
226A Baratron® Capacitance Manometer (archive)(230.5 kB, PDF)