Technical Parameter
Standard adopted   Q/YHC0401-2001 JB/T6807-93  
Medium   Gas, liquid, steam  
Diameter Wafer type   15, 25£¬30, 40£¬50£¬65£¬80£¬100
Flange connection type   125£¬150£¬200
Insertion type   200~2000
flow
measuring
scope
Normal flow velocity range   Gas 5~50m/s liquid 0.5~7m/s¡£
Normal flowrate range    
  Liquid, gas,steam and insertion type flow range refer to tabe 2,3,4 as follows
accuracy   Wafer type and flange connection type : ¡À1% or ¡À1.5%
  Insertion type : ¡À2.5 %
Medium temperature   routine temperature -25¡æ~100¡æ high temperature -25¡æ~150¡æ or -25¡æ~250¡æ
Working pressure   1.6MPa; 2.5MPa; 4.0MPa (Supply as order's requirement)
Output signal
(signal cable
connection is
M20¡Á1.5 )
Pulse voltage
output signal
  High level8~10V Low level0.7~1.3V (Ex-proof version: High level 4~5V, Low level 0.7~1.3V)
  Duty ratio of pulse is about 50%, transmission distance 100 meters
Standard
current output signal
Allowable external load resistance less than600¦¸£¨24V DC)
Transmission distance is 3000 meters
Working environmental condition   Temperature £º-25¡æ~+55¡æ humidity £º5~90% RH50¡æ
Material   Meter body:1Cr18Ni9Ti Converter housing: AL-allog
Power supply   12V DC¡À10%£» 24V DC¡À10%£» or dual lithium battery 3.6V 7.5Ah ¡£
Explosion supply grade   Intrinsically safe class ia¢òcT1~T5
Protection grade   IP65
Requirement of straight connecting pipeon both sides of the meter   ǰ¶Î Upstream¡Ý15~35DN ºó¶Î Downstream ¡Ý10DN
                         
Flowrate Range of Liquid, Gas (on working condition) Table2
caliber mm
liquid
air
  DNmm
m3/h
m3/h
  15
0.3¡«4
5¡«30
  25
1.2¡«13
10.2¡«80
  32
1.5¡«18
15¡«150
  40
2.25¡«30
22¡«220
  50
4¡«50
35¡«350
  65
5.9¡«84
60¡«600
  80
9¡«120
90¡«900
  100
14¡«200
140¡«1400
  125
22¡«280
220¡«2200
  150
28¡«400
300¡«3000
  200
65¡«700
550¡«5500
 
   
     
 
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