N15-D50 Fully Automatic Heat Meter Calibration Device (horizontal Type)

Function parameter table

Calibration medium: pure tap water

Detection method: dual-time method, start-stop method

Type of meter being inspected: heat meter, ordinary mechanical water meter, ultrasonic water meter, smart water meter

Caliber/quantity of the meters to be inspected: 10 DN15, 8 DN20, 6 DN25, 1 DN32, 1 DN40, 1 DN50

Commutator: Cross-fork pneumatic open commutator

Water meter durability test and water injection system: (0-3.2Mpa) differential pressure vacuum generator

Water meter collection system: mobile phone, camera, laser, infrared, Rs232, pulse

Meter clamping mechanism: single meter independent pneumatic meter clamping device

Standard instrument: electronic scale, standard table

Flow display device: standard meter

Standard thermostatic device: high-precision platinum resistor, thermostatic bath, digital meter

Performance parameter table

Device uncertainty: U≤0.2%(K=2)

Flow stability: start-stop method 1.0%, others: 0.2%

Flow range: (0.004~40)m³/h

Water pump: flow rate 70m³/h, lift 40 meters

Electronic scale resolution: ①Max=30kg, 6000e ②Max=600kg, 30000d

Water source working pressure: 0.3-0.7Mpa

Adjustable, air source pressure: 0.4-0.7MPa

Standard meter (instantaneous flow display device): DN50 2-40m³/h

                                                                                    DN25 0.55-17.5m³/h

                                                                                    DN10 0.085-2.8m³/h

                                                                                    DN2 0.003-0.11m³/h