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進口兩線制差壓變送器應用

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產(chǎn)品型號model 880

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簡單介紹 可在壓力范圍從0/0.25“WC0/15PSI 輸出穩(wěn)定的0.5％FSO *適用于各種應用，如管靜，VAV和風扇，控制接線簡單方便，通過可插拔螺釘端子塊可定制的壓力范圍和輸出能夠處理高過壓雙線4-20mA輸出反向電壓保護,美國controller 兩線制差壓變送器880系列

美國controller 兩線制差壓變送器880系列
880系列雙線4-20mA的壓力傳感器

Series 880 Two Wire: 4-20mA Pressure Transducer

 

 

Features and Applications

  • Available in pressure ranges from 0/0.25"WC up to 0/15PSI

  • Output stability of 0.5% FSO

  • Perfect for a variety of applications such as duct static, VAV and fan control

  • Easy wiring via a pluggable screw terminal block

  • Customizable pressure ranges and outputs

  • Able to handle high overpressure

  • Two-Wire; 4-20mA Output

  • Reverse Voltage Protection

 

 

 

880

Specifications

Accuracy*:<+>
Stability:+/-0.5% FSO/yr
Thermal Effects:+/-0.075%/°C
Overpressure:1-10"WC = 100"WC
11-20"WC = 10x rated pressure
21-30"WC = 5x rated pressure
Over 30"WC = 45 PSI
FSO Pressure Range:0/0.25"WC up to 0/15PSI
(bi-directional ranges available)
Compensated Range:10° to 50°C
Media:Non-corrosive, non-ionic gases
Operating Humidity:90% RH non-condensing
Operating Temp:-25° to 70°C
Input Supply:14-36VDC loop voltage range (24VAC may be acceptable for certain applications)
Maximum Loop Resistance:(Voltage Supply-14) x 50 Ω, maximum
Maximum Loop Resistance for >30VDC:(Voltage Supply-30) x 40 Ω, minimum
Output Signal:4-20mA; two wire
Electrical Connections:Pluggable two-wire screw terminal block
Pressure Connections:Barbed fitting for 1/8″ ID tubing
Enclosure:Impact resistant ABS plastic
Dimensions:Approx. 3.5" x 2.7" x 1.4"
(8.7cm x 6.8cm x 3.5cm)

* Includes non-linearity hysteresis and non-repeatability at a fixed temperature

Package Drawing

CLICK TO ENLARGE

 

How to Order

A typical order number consists of the model number, pressure range, pressure unit, output and mounting connection.

ModelTypeOutput SignalFSO Pressure RangeCalibration Pressure
880D = Differential or Gage*4-20mA; Two-wire0…..0.25″WC to 5″WCCustomer designated exact FSO
1…..>5″WC to 13″WC
2…..>0.5PSI to 1PSI
3…..>1PSI to 5PSI
4…..>5PSI to 15PSI

* With a gage application, one of the two ports is vented to atmosphere

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