26-015G [ETC]
Signal Conditioner ; 信号调理\n
| 型号： | 26-015G |
| 厂家： | 
ETC |
| 描述： | Signal Conditioner
|
| 文件： | 总2页 (文件大小：781K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Models 26, 27 UltraStable™
þ Medical Instrumentation
þ Calibration
þ Process Control
þ Factory Automation
þ Air Flow Management
þ Leak Detection
PC Board Mountable Pressure Sensor
0-100 mV Output
Gage Pressure
Wide Temperature Range
DESCRIPTION
The Models 26 and 27 are high performance, temperature
compensated, piezoresistive silicon pressure sensors packaged in
a bottom tube TO-8 configuration. They provide 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 in the Model 27 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
þ TO-8 Package
DIMENSIONS
þ -20°C to +85°C Compensated
Temperature Range
þ
þ
0ꢀ.1 ꢁon-linearity
0ꢀ51 Temperature Performance
þ .ꢀ01 Interchangeable Span
(provided by gain set resistor)
þ Solid State Reliability
þ 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
Models 26, 27 UltraStable™
Supply Current: 1.5mA
Ambient Temperature: 25°C (Unless otherwise specified)
PARAMETERS
MIN
TYP
MAX
UNITS
NOTES
Full Scale Output Span, (without gain set resistor)
Zero Pressure Output
Pressure ꢁon-linearity
Pressure Hysteresis
75
.00
.50
2
mV
.
3
2
mV
0ꢀ05
0ꢀ0.
3500
0ꢀ3
0ꢀ.
0ꢀ.
4500
0ꢀ5
0ꢀ5
1 Span
1 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
1 Span
1 Span
1/°C
3, 4
3, 4
4
0ꢀ.
0ꢀ.45
0ꢀ05
0ꢀ05
0ꢀ05
0ꢀ.
1 Span
1 Span
1 Span
1 Span
1 Span
mA
4
..
..
.2
.2
5
0ꢀ.
0ꢀ5
.ꢀ5
2ꢀ0
3X
Response Time (.01 to 901)
Output ꢁoise
.ꢀ0
msec
µV p-p
MΩ
6
.ꢀ0
7
Output Load Resistance
Insulation Resistance (50 VDC)
Pressure Overload
5
8
50
MΩ
.3
9
Rated
Operating Temperature
Storage Temperature
–40°C to +.25°C
–50°C to +.50°C
Media
ꢁon-corrosive Gases Compatible with Wetted Materials
3 Grams
.0
Weight
Notes
1. Output span of unamplified sensor.
7ꢀ .0 Hz to . kHzꢀ
2. Best Fit Straight Line.
8ꢀ Prevents increase of TC-Span due to output loadingꢀ
3. For Models 26, 27, compensation resistors are an integral part of the
sensor package; no additional external resistors are required. Pins 11
and 12 must be kept open. Model 27 is interchangeable only when used
with a gain stage.
4. Temperature range: -20°C to +85°C in reference to 25°Cꢀ
5ꢀ Guarantees input/output ratiometricityꢀ
9ꢀ 3X or 500 psi maximum, whichever is lessꢀ 20 psi for 2 psi and 5 psi
versionsꢀ
.0ꢀ Wetted materials are glass, ceramic, silicon, RTV, nickelꢀ
..ꢀ ꢁormalized offset bridge voltage: 7 daysꢀ
.2ꢀ . yearꢀ
.3ꢀ Between case and sensing elementꢀ
6ꢀ For a zero-to-full scale pressure step changeꢀ
CONNECTIONS
ORDERING INFORMATION
27 - 015 G
Model 26
Type (G = Gage)
Pressure Range
Model (27 or 26) (with or without gain set)
APPLICATION SCHEMATIC
Model 27
April 2000
TO-8 – Wide Temperature Range
±-4±
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