Steam flowmeter skill parameters 1. Measuring medium: saturated steam, superheated steam 2. Normal measurement field: Reynolds number is 5*103~7*106
3. Expanding the field of measurement: Reynolds number is 2*104~7*106
4. Medium flow rate field: 7-70 m/s
5, medium temperature: -40 ° C - +450 ° C (450 ° C or more and talk supply)
6, medium pressure: 1.6, 2.5, 4.0, 25MPa;
7, accuracy: 1 level, 1.5 level, 0.5 level (non-linear correction can reach 0.5)
8, repeatability: 0.2% of the provocation value;
9. Body material: 1Cr18Ni9Ti;
10, pressure loss: △ P = 1.2 × r × V2 × 10-6
Where: △P—pressure loss r—the measured fluid density (Kg/m3)
V—intraductal flow rate (m/s)
11, the situation temperature: -20 ° C ~ +55 ° C (out of the request for order to clarify)
12. Condition humidity: ≤90%RH
13, the big gas pressure: 86-106Kpa
14, power supply: 16 ~ 26VDC
15, battery power: 3 ~ 4.5VDC
16, working current: 80 / μA
17, working frequency: 0.1 ~ 3000Hz
18, the distance signal distance: the big night at 100m
19, signal output: pulse output (external power supply)
Current output 4-20mADC (24VDC power supply for two-wire system) pulse output and current output can only choose one method.
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