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By certification 
Specifications
Adopting Volumetric rotary piston principle of measurement, Class C and D grade
FEATURES:
1. Volumetric meter, on principle of piston rotation, complies with ISO 4064 Class C or Class D standard
2. High sensitivity, accurate measurement even at low flow rate of 4L/h.
3. Optimum accuracy and performance at all times, in any position
4. Piston adopts high quality material to ensure stable and durable performance
5. Liquid-sealed register, easy and long tem clear reading
Adopting Volumetric rotary piston principle of measurement, Class C and D grade
FEATURES:
1. Volumetric meter, on principle of piston rotation, complies with ISO 4064 Class C or Class D standard
2. High sensitivity, accurate measurement even at low flow rate of 4L/h.
3. Optimum accuracy and performance at all times, in any position
4. Piston adopts high quality material to ensure stable and durable performance
5. Liquid-sealed register, easy and long tem clear reading
