228A Baratron® 0.2-1000 Torr Differential Capacitance Manometers with 2 Trip Points
Model: 228a-differential-capacitance-manometers
228A Baratron® 0.2-1000 Torr Differential Capacitance Manometers with 2 Trip Points
Model: 228a-differential-capacitance-manometers
Technical Specs
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
Analog Output
0-1 VDC, 0-5 VDC, or 0-10 VDC > 10 kΩ load
Fitting Type
Standard: 1/4 inch OD (6.4 mm) tubes
Optional: Various
Electrical Connector
15-pin high-density D-subminiature
Resolution
0.01% of Full Scale
Accuracy
0.50% of Full Scale unidirectional or bidirectional standard
0.30% of Full Scale unidirectional or bidirectional
0.30% of Reading (unidirectional only) optional
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)
Operating Temperature Range
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
Trip Points
Two process pressure trip points, independently adjustable from -100% to +100% of Full Scale
Trip Relays
DPDT contacts rated at 1.0 amps at 30 VDC or 0.3 amps at 120 VAC
Power Requirements
±15VDC (±5%) or +16 to +30VDC @ 75 mA, ripple less than 20 mV
Compliance
CE, SEMI S2
Technical Specs
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
Analog Output
0-1 VDC, 0-5 VDC, or 0-10 VDC > 10 kΩ load
Fitting Type
Standard: 1/4 inch OD (6.4 mm) tubes
Optional: Various
Electrical Connector
15-pin high-density D-subminiature
Resolution
0.01% of Full Scale
Accuracy
0.50% of Full Scale unidirectional or bidirectional standard
0.30% of Full Scale unidirectional or bidirectional
0.30% of Reading (unidirectional only) optional
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)
Operating Temperature Range
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
Trip Points
Two process pressure trip points, independently adjustable from -100% to +100% of Full Scale
Trip Relays
DPDT contacts rated at 1.0 amps at 30 VDC or 0.3 amps at 120 VAC
Power Requirements
±15VDC (±5%) or +16 to +30VDC @ 75 mA, ripple less than 20 mV
Compliance
CE, SEMI S2
Resources & Downloads
Literature
Application Notes
