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参数资料
| 型号： | 81509085 |
| 厂商： | Crouzet USA |
| 文件页数： | 4/6页 |
| 文件大小： | 0K |
| 描述： | PNEUM PRESSURE SWTCH BASE W-OVRD |
| 其它有关文件： | Declaration of Conformity |
| 标准包装： | 1 |
| 系列： | * |
| 其它名称： | 81509085-ND 966-1125 |
Adjustable pressure switches (manostats) (pneumatic output)
■ 100
% pneumatic
Also available in ATEX version for use in poten-
tially explosive atmospheres in accordance with
94/9/EC Directive
Part numbers (and adjustment ranges)
Adjustment range
Version
Accuracy
50 → 500 mb
0.1 → 2.5 b
2 → 8 b
50 → 500 mb
0.1 → 2.5 b
2 → 8 b
81 505 140
81 505 150
81 505 160
Positive output
10 %
4%
4%
81 502 140
81 502 150
81 502 160
Negative output
10 %
4%
4%
Symbol
Characteristics
Orifice diameter
Flow at 4 bars
Hysteresis
Connection - sub-base pages 54/55
Operating temperature
Mechanical life
Weight
mm
Nl/min
50 → 500 mb
0.1 → 2.5 b
2 → 8b
°C
operations
g
2.5
170
60 mb
100 mb
320 mb
-5 ? +50
3 x 10 6
160
l
2.5
170
60 mb
100 mb
320 mb
-5 ? +50
3 x 10 6
160
l
Connections
3
Example of pressure threshold adjustment
(mini-regulator - manostat)
Principle of operation
The manostats provide an on or off output signal when the input signal reaches a predetermined pressure threshold.
Positive output
Negative output
Output signal
Pilot
Output signal
Pilot
Switching
on
Hysteresis
Switching off
Switching
on
Hysteresis
Switching off
Dimensions
81 502 140 - 81 502 150 - 81 502 160
81 505 140 - 81 505 150 - 81 505 160
Other information Pressure switches with electrical output on request.
ATEX version products are available in the following catologues: Pneumatic products for explosive atmospheres or on our website
www.crouzet.com
38
www.crouzet.com
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