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water meter test bench
Water meter calibrate flow and error range
(in using and after maintain, for reference)
Size mm | Nominal flow | class | Transitional Flow | Min Flow | ||||||||||
Wet | Dry | Wet | Dry | Wet | Dry | |||||||||
m3/h | L | m3/h | L | m3/h | L | m3/h | L | m3/h | L | m3/h | L | |||
15 | 1.5 | 100 | 1.5 | 100 | A | 0.15 | 20 | 0.15 | 100 | 0.06 | 10 | 0.060 | 100 | |
B | 0.12 | 20 | 0.12 | 100 | 0.03 | 10 | 0.030 | 100 | ||||||
20 | 2.5 | 100 | 2.5 | 100 | A | 0.25 | 20 | 0.25 | 100 | 0.10 | 10 | 0.075 | 100 | |
B | 0.20 | 20 | 0.20 | 100 | 0.06 | 10 | 0.050 | 100 | ||||||
25 | 3.5 | 100 | 3.5 | 100 | A | 0.35 | 20 | 0.35 | 100 | 0.14 | 10 | 0.105 | 100 | |
B | 0.28 | 20 | 0.28 | 100 | 0.07 | 10 | 0.070 | 100 | ||||||
32 | 3.2 | 200 | 6.0 | 200 | A | 0.60 | 20 | 0.60 | 100 | 0.24 | 10 | 0.18 | 100 | |
B | 0.48 | 20 | 0.48 | 100 | 0.12 | 10 | 0.120 | 100 | ||||||
40 | 10 | 300 | 10 | 300 | A | 1.00 | 100 | 1.00 | 100 | 0.40 | 100 | 0.300 | 100 | |
B | 0.80 | 100 | 0.80 | 100 | 0.20 | 100 | 0.200 | 100 | ||||||
50 | 15 | 300 | 15 | 300 | A | 4.50 | 100 | 4.50 | 100 | 1.20 | 100 | 0.45 | 100 | |
B | 3.00 | 100 | 3.00 | 100 | 0.45 | 100 | 0.45 | 100 | ||||||
Error | ±2% | ±3% | 5% | |||||||||||
water meter test bench