The CA568-R21 is an electronic valve controlled water meter that complies with STS. It is an ideal household water meter for revenue protection and user management. The CA568-R21 is equipped with a Customer Interface Unit (CIU) for inputting recharge tokens and information codes. Its communication mode is RF-LORA. Tariff charging and AMR data transmission are its two highlight functions.
STS compliant
IP68 protection
LORA/ GPRS /3G
Battery life 10 years
Brass / plastic meter body (optional)
Pre-programmable low credit warning
Non- return valve preventing back-flow
Prepaid and post-paid hybrid (optional)
Nominal size | DN | mm | In-line | ||
15 | 20 | ||||
Maximum flow rate | Q4 | m³/h | 3.125 | 5.0 | |
Ratio“R” | Q3/Q1 | m³/h | 160 | 160 | |
Permanent l flow rate | Q3 | 2.5 | 4.0 | ||
Transitional flow rate | Q2 | 1/h | 25 | 40 | |
Minimum flow rate | Q1 | 15.625 | 25 | ||
Maximum working pressure |
Bar | 25 | |||
Maximum pressure loss as complete unit including the shut off valve and piping | |||||
Maximum working temperature | ℃ | 50 | |||
Maximum reading | m³ | 99999 | |||
Maximum Permissible Error(MPE) | % | Q1≦Q≦Q2: MPE = ± 5% Q2≦Q≦Q4: MPE = ± 2%
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