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Sensing and Control
Honeywell Inc.
11 West Spring Street
Freeport, Illinois 61032
Pressure Sensors 22PC Series
Gage/Unamplified-Noncompensated
Basic Sensors FEATURES
1 Lowest priced pressure sensor 1 Operable after exposure to frozen
1 Miniature package conditions
1 Can be used to measure with vacuum 1 2 mA constant current excitation signifi-
or positive pressure cantly reduces sensitivity shift over
temperature*
22PC SERIES PERFORMANCE CHARACTERISTICS at 10.0 ±0.01 VDC
Excitation, 25°C
Min. Typ. Max. Units
Excitation --- 10 12 VDC
Null Shift, 25° to 0°, 25° to 50°C --- ±2.0 --- mV
Null Offset −30 0 +30 mV
Linearity, P2 > P1, BFSL --- ±0.25 ±1.0 % Span
Span Shift, 25° to 0°, 25° to 50°C --- ±6.0 --- % Span
Repeatability & Hysteresis --- ±0.15 --- % Span
Response Time --- --- 1.0 msec
Input Resistance 4.0 K 5.0 K 6.0 K ohms
Output Resistance 4.0 K 5.0 K 6.0 K ohms
Weight --- 2 --- grams
ENVIRONMENTAL SPECIFICATIONS
Operating Temperature −40° to +85°C (−40° to +185°F)
Storage Temperature −55° to +100°C (−67° to +212°F)
Shock Qualification tested to 150 g
Vibration Qualification tested to 0 to 2 kHz, 20 g sine
Media (P1 & P2) Limited only to those media which will not attack
polyetherimide, silicon, fluorosilicone, silicone,
EPDM, and neoprene seals
22PC SERIES ORDER GUIDE
Pressure Sensitivity
Catalog Range Span, mV mV/psi Overpressure
Listing psi Min. Typ. Max. Typ. psi, Max.
22PCA Type 1.0 25 42 59 42 20
22PCC Type 15 156 225 294 15 45
22PCF Type 100 147 225 303 2.3 200
SENSOR SELECTION GUIDE
2 2 PC A F A 6 G
Product Circuit Pressure Pressure Type of Type of Termination Pressure
Family Type Transducer Range Seal Port Style Measurement
2 20PC 2 Noncompen- A 1 psi E EPDM A Straight 22x2 G Gage
Family sated low cost C 15 psi F Fluorosilicone B Barbed 61x4
F 100 psi N Neoprene D Modular (.600N)
S Silicone J Needle
Example: 22PCAFA6G
Non-compensated low cost 1 psi sensor with fluorosilicone seal, straight port, 1 x 4 termination and gage pressure measurement.
See Accessory Guide, page 27.
Note: Not all catalog listings are established. Please refer to the Order Guides, or contact the MICRO SWITCH Application Center at the
800 number.
*Non-compensated pressure sensors, excited by constant current instead of Constant Current Excitation Schematic
voltage, exhibit temperature compensation of Span. Application Note #1
briefly discusses current excitation.
Constant current excitation has an additional benefit of temperature mea-
surement. When driven by a constant current source, a silicon pressure
sensor’s terminal voltage will rise with increased temperature. The rise in
voltage not only compensates the Span, but is also an indication of die
temperature.
10 Honeywell 1 Sensing and Control 1 1-800-537-6945 USA 1 F1-815-235-6847 International 1 1-800-737-3360 Canada
