Sorry, this product is no longer offered for sale. The recommended replacement product is 226b-differential-capacitance-manometers.

226A Baratron® 0.2-1000 Torr Differential Capacitance Manometers

Model: 226a-differential-capacitance-manometers

Type
Pressure Transducer
Sensor Type
Capacitance Manometer
Measurement Type
Differential
Full Scale Pressure Ranges
0.2, 1, 2, 5, 10, 20, 50, 100, 200, and 1000 Torr and equivalents in kPa, mbar, inches H2O, and cm H2O
Output Signal
0 - 1VDC, 0 - 5VDC, 0 - 10VDC > 10 k Ω load; or 2-wire 4-20 mA from +24VDC supply into < 500 Ω load
Fitting Type
Standard: 1/4 inch OD (6.4 mm) tubes
Optional: Various
Electrical Connector
9-pin D-subminiature standard, terminal block and flying leads optional
Resolution
0.01% of Full Scale
Accuracy
0.50% 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 Coefficient
0.1% Full Scale/°C for standard accuracy specification

Span Temperature Coefficient
0.04% of Reading/°C
Sensor Internal Volume
Measurement 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 Temperature
0° to 50°C
Maximum Overpressure
Measurement Side (Px): 120% of Full Scale or 20 psi (140 kPa), whichever is higher
Reference Side (Pr): 120% of Full Scale
Maximum Line Pressure
40 psig (275 kPa)
Materials Exposed to Process Gases
Measurement 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
Compliance
CE, SEMI S2

Type
Pressure Transducer
Sensor Type
Capacitance Manometer
Measurement Type
Differential
Full Scale Pressure Ranges
0.2, 1, 2, 5, 10, 20, 50, 100, 200, and 1000 Torr and equivalents in kPa, mbar, inches H2O, and cm H2O
Output Signal
0 - 1VDC, 0 - 5VDC, 0 - 10VDC > 10 k Ω load; or 2-wire 4-20 mA from +24VDC supply into < 500 Ω load
Fitting Type
Standard: 1/4 inch OD (6.4 mm) tubes
Optional: Various
Electrical Connector
9-pin D-subminiature standard, terminal block and flying leads optional
Resolution
0.01% of Full Scale
Accuracy
0.50% 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 Coefficient
0.1% Full Scale/°C for standard accuracy specification

Span Temperature Coefficient
0.04% of Reading/°C
Sensor Internal Volume
Measurement 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 Temperature
0° to 50°C
Maximum Overpressure
Measurement Side (Px): 120% of Full Scale or 20 psi (140 kPa), whichever is higher
Reference Side (Pr): 120% of Full Scale
Maximum Line Pressure
40 psig (275 kPa)
Materials Exposed to Process Gases
Measurement 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
Compliance
CE, SEMI S2

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