27-050G [ETC]
Signal Conditioner ; 信号调理\n
| 型号： | 27-050G |
| 厂家： | 
ETC |
| 描述： | Signal Conditioner
|
| 文件： | 总2页 (文件大小：105K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Model 27 UltraStable
ꢀ Medical Instrumentation
ꢀ Calibration
ꢀ Process Control
ꢀ Factory Automation
ꢀ Air Flow Management
ꢀ Leak Detection
PC Board Mountable Pressure Sensor
0-100 mV Output
Gage Pressure
Wide Temperature Range
DESCRIPTION
The Model 27 is a high performance, temperature compensated,
piezoresistive silicon pressure sensor packaged in a bottom tube
TO-8 configuration. It provides excellent performance and
long-term stability.
Gage pressure ranges from 0-15 PSI to 0-250 PSI are
available. Integral temperature compensation is provided over a
range of -20°C to +85°C using laser-trimmed resistors. An
additional laser-trimmed resistor is included to normalize
pressure sensitivity variations by programming the gain of an
external differential amplifier. This provides sensitivity
interchangeability of 1%.
Please refer to the low pressure section for information on
products with operating pressures less than 0-2 PSI. For an
uncompensated sensor (Model 25) please contact the factory for
additional information.
FEATURES
ꢀ TO-8 Package
DIMENSIONS
ꢀ -20°C to +85°C Compensated
Temperature Range
ꢀ
ꢀ
0ꢀ1% Non-linearity
0ꢀ5% Temperature Performance
ꢀ 1ꢀ0% Interchangeable Span
(provided by gain set resistor)
ꢀ Solid State Reliability
ꢀ Low Power
STANDARD RANGES
Range
psig
●
0 to 15
0 to 30
0 to 50
0 to 100
0 to 250
●
●
●
●
1-40
TO-8 – Wide Temperature Range
PC Board Mountable Pressure Sensor
PERFORMANCE SPECIFICATIONS
Model 27 UltraStable
Supply Current: 1.5mA
Ambient Temperature: 25°C (Unless otherwise specified)
PARAMETERS
MIN
TYP
MAX
150
2
UNITS
mV
NOTES
Full Scale Output Span, (without gain set resistor)
Zero Pressure Output
Pressure Non-linearity
Pressure Hysteresis
75
100
1
3
2
mV
0ꢀ05
0ꢀ01
3500
0ꢀ3
0ꢀ1
0ꢀ1
4500
0ꢀ5
0ꢀ5
% Span
% Span
Ω
Input Resistance
2500
Temperature Error – Span
Temperature Error – Zero
Temperature Coefficient - Resistance
Thermal Hysteresis – Zero
Short Term Stability of Offset
Short Term Stability of Span
Long Term Stability of Offset
Long Term Stability of span
Supply Current
% Span
% Span
%/°C
3, 4
3, 4
4
0ꢀ1
0ꢀ145
0ꢀ05
0ꢀ05
0ꢀ05
0ꢀ1
% Span
% Span
% Span
% Span
% Span
mA
4
11
11
12
12
5
0ꢀ1
0ꢀ5
1ꢀ5
2ꢀ0
3X
Response Time (10% to 90%)
Output Noise
1ꢀ0
msec
µV p-p
MΩ
6
1ꢀ0
7
Output Load Resistance
Insulation Resistance (50 VDC)
Pressure Overload
5
8
50
MΩ
13
9, 14
Rated
Operating Temperature
Storage Temperature
–40°C to +125°C
–50°C to +150°C
Media
Non-corrosive Gases Compatible with Wetted Materials
3 Grams
10
Weight
Notes
1ꢀ Output span of unamplified sensorꢀ
7ꢀ 10 Hz to 1 kHzꢀ
2ꢀ Best Fit Straight Lineꢀ
8ꢀ Prevents increase of TC-Span due to output loadingꢀ
3ꢀ For Model 27, compensation resistors are an integral part of the sensor
package; no additional external resistors are requiredꢀ Pins 11 and 12
must be kept openꢀ Model 27 is interchangeable only when used with a
gain stageꢀ
4ꢀ Temperature range: -20°C to +85°C in reference to 25°Cꢀ
5ꢀ Guarantees input/output ratiometricityꢀ
9ꢀ For top side application, 3X or 500 psi maximum, whichever is lessꢀ 20
psi for 2 psi and 5 psi versionsꢀ
10ꢀ Wetted materials are glass, ceramic, silicon, RTV, nickel, and goldꢀ
11ꢀ Normalized offset bridge voltage: 7 daysꢀ
12ꢀ 1 yearꢀ
13ꢀ Between case and sensing elementꢀ
6ꢀ For a zero-to-full scale pressure step changeꢀ
14ꢀ For backside application, 3X not to exceed 100 psi on all rangesꢀ
CONNECTIONS
ORDERING INFORMATION
27 - 015 G
Type (G = Gage)
Pressure Range
Model
APPLICATION SCHEMATIC
June 2001
Feel free to contact customer service with any questions at
Toll free 1(800)745-8008; Phone (757)766-1500; Fax (757)766-4297
TO-8 – Wide Temperature Range
1-41
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