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Differential pressure transmiiter STK335
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Differential pressure transmiiter STK335

Differential pressure transmiiter STK335

Minimum measuring range: 100pa LCD display, button can modify the range,HART communication protocol

Specifications:
1. Maximum range trundown 100: 1
2. Backlight LCD display for the dark environment
3. Separate electronics and connection compartments
4. Excellent stability
5. Three-key adjustment

Application conditions:
* Humidity: 5...98%
* Ambient and operation: -40-85ºC (without display), -20-70ºC (with display)
* Storage: -40-85 ºC
* Ingress protection: IP 65
* Electromagnetic compatibility(EMC): Interference immunity and interference emission according to GB/T17626.2-1998), compliance with IEC 61000-4-3: 1995.


Supply voltage:10.5...45 VDC 
Output4...20 mA +HART protocol digital communication 
3-wire-system (optional): 1...5V
Signal range:3.8mA...22.8mA 
Accuracy3S: 0.1% accuracy for range trundown 5: 1 (0.1+0.01XURL/Span) between 1/5 and 1/50 of    measuring 
4S...7S: 0.075% accuracy for range trundown 10: 1 (0.075+0.00751XURL/Span) between 1/10 and    1/100 of measuring 
8S: 0.2% accuracy for range trundown 10: 1 (0.2+0.01XURL/Span) between 1/10 and 1/100 of    measuring
Static pressure effect:Zero error: 0.1%/7Mpa                          Span error: 0.2%/7Mpa
Power supply effect:Negligible
Vibration effect:  < 0.01% of URL /g when tested 200Hz in any axis relative 
Installation position effect:  Zero shift which can be calibrated out, no span effect 
Thermal effect:  0.45%/55 & ordm; C
Static pressure:  30bar...130bar 
Stability:0.1% of URL/1 year 
Switch on delay:5s 
Cycle time/Updater time:    0.25s 
Damping: 0 to 100s, step:  0.1s
Rise time:200 ms (without consideration of electronic damping) 
Self stability configuration:0 to 2% 
Filter configured:0 to 160 uA 
Insulation resistance:  > 250MΩ
Short-Circuit protection:Permanent
Reverse polarity protection:  No damage, and no function
Overvoltage protection:  500 V
Vibration effect:  < 0.01% of URL /g, when tested 200Hz in any axis relative 


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