23A-001G [ETC]
Signal Conditioner ; 信号调理\n
| 型号： | 23A-001G |
| 厂家： | 
ETC |
| 描述： | Signal Conditioner
|
| 文件： | 总2页 (文件大小：718K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Models 22, 23 Low Pressure
þ Medical Instrumentation
þ HVAC
PC Board Mountable Pressure Sensor
0-10" H O to 0-1 PSI
2
þ Factory Automation
þ Process Control
þ Avionics
0-100 mV Output
Low Cost
Temperature Compensated
þ Air Flow Management
DESCRIPTION
The Models 22 and 23 are temperature compensated,
piezoresistive silicon pressure sensors packaged in TO-8
configurations. They provide excellent performance and long-
term stability.
Integral temperature compensation is provided over a range
of 0-50°C using a laser-trimmed ceramic compensation board.
An additional laser-trimmed resistor is included in the Model 23
which can be used to adjust the gain of an external differential
amplifier and provide sensitivity interchangeability of ± ±1.
The sensing element used in low pressure Models 22 and 23
has a double bossed design that produces a high sensor output
of ±00 mV (typical) at ± PSI.
The Models ±2 and ±3 are also available in ranges up to 0-
250 PSI. For sensors in a dual-in-line package please refer to the
Models ±2±0 and ±220. For additional information regarding
uncompensated sensors, please contact the factory.
FEATURES
þ Solid State Reliability
þ 100mV Output Span
þ Interchangeable
þ Temperature Compensated
þ Low Power
DIMENSIONS
STANDARD RANGES
in H2O
Range
0 to 1
0 to 10
psi
●
●
1-24
TO-8 – Low Pressure
PC Board Mountable Pressure Sensor
PERFORMANCE SPECIFICATIONS
Models 22, 23 Low Pressure
Supply Current: 1.5mA
Ambient Temperature: 25°C (Unless otherwise specified)
PRESSURE RANGE
0 - 10 in H2O
0 - 1 psi
PARAMETERS
MIN
TYP
MAX
150
2
MIN
TYP
MAX
50
UNITS
mV
NOTES
Full Scale Output Span
Zero Pressure Output
Pressure Non-linearity
Pressure Hysteresis
Input & Output Resistance
Temperature Error – Span
Temperature Error – Zero
Thermal Hysteresis – Zero
Supply Current
75
100
25
35
1
2
3
2
±mV
0.1
0.01
4400
0.5
0.25
0.05
6000
1.0
0.05
0.01
4400
0.5
0.1
0.1
6000
1.0
3.0
±± Span
±± Span
Ω
2500
2500
±± Span
±± Span
±± Span
mA
4, 5
4, 5
4
0.5
1.0
1.0
0.1
0.2
1.5
2.0
1.5
2.0
Response Time (10± TO 90±)
Output Noise
1.0
1.0
mS
5
6
1.0
1.0
µV p-p
MΩ
Output Load Resistance
Insulation Resistance (50 VDC)
Long Term Stability
Pressure Overload
2
2
50
50
MΩ
8
9
0.2
0.5
±± Span/yr
psi
20
20
Operating Temperature
Storage Temperature
Media
–40°C to +125°C
–50°C to +150°C
Non-corrosive Gases Compatible with Wetted Materials
3 Grams
Weight
Notes
1. Output span of unamplified sensor.
5. For a zero-to-full scale pressure step change.
6. 10 Hz to 1 kHz.
2. For most models, compensation resistors are in an integral part of the
sensor package; no additional external resistors are required. Test pins
must be kept open.
7. 0-10" Water column performance is based on testing at 1 psi full scale
pressure.
3. Best Fit Straight Line.
8. Between case and sensing element.
4. Temperature range: 0-50°C in reference to 25°C.
9. Wetted materials are glass, ceramic, silicon, RTV, nickel, and aluminum.
CONNECTIONS
ORDERING INFORMATION
23A - 001 G
Model 22
Type (G = Gage)
Pressure Range (001 or 10WC) (1 psi or 10" H2O)
Model (23 or 22) (with or without gain set)
APPLICATION SCHEMATIC
Model 23
April 2000
TO-8 – Low Pressure
±-25
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