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4 -20MA LOOP POWERED DISPLAY| ĐẠI LÝ NHÀ PHÂN PHỐI ĐỘC QUYỀN ITALCOPIIE

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    4 -20MA LOOP POWERED DISPLAY
  •  

    Loop powered display for the EVOMINI series temperature transmitters

    4 digit display designed to be connected to the evomini series loop powered temperature transmitters; it requires no auxiliary power and is supplied directly from the measured current. The measured values are scalable and the programmation is done by the 3 integrated buttons key. The display has a compact, standardized
    design and it fits into a standard 22.5mm borehole for signal lamps.

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TECHNICAL DATA

 

Power supply
 
from loop current
 
Signal
4 ÷20 mA
PCB input range
3,8 ÷22,5 mA (guaranteed up from 3.2 to 25 mA)
Voltage drop (I=20mA)
 
= 7 V
 
Input resistance
 
= 200 O
 
Accuracy
 
0,2 % vfs + 1 digit
 
Type of display
 
4 digit (segment red), height 14 mm
 
Input signal sampling
 
1 sample/second
 
Protection class (*)
(*) Protection class
III
 
Ambient tightness degree (*)
(*) in accordance with IEC 60529
Front panel IP65
 
Rear IP20
 
Dimensions
 
48 mm x 26 mm x 65 mm
 
Weight
 
abaut 30 gr
 
Operating and storage conditions
 
Operating temperature: -30 ÷ 70°C
 
Storage temperature: -40 ÷ 80°C
 
Humidity: >80% (non condensing)
 
Other characteristics
 
3 keys for the programmation
 
Password protection to prevent unauthorised changes of settings
 
Display alarm for values outside the specified range (Hi, Lo)
 
Calculation of the square root
 
Damping of the measured signal (filter time programmable)
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