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Debitmetre cu ultrasunete
SPECIFICATIONS
MAIN UNIT
Accuracy: Better than ±1%
Repeatability : Better than 0.2%
Principle : Transit-time measuring principle
Measurement period : 500ms
Display : LCD with backlight, display accumulated flow/heat, instantaneous flow/heat, velocity, time etc.
Analogue output: 4-20mA or 0-20mA current output.
Impedance 0∼1kohm. Accuracy 0.1%.
OCT output: Frequency signal (1~9999HZ)
Relay output: over 20 source signal (no signal, reverse flow etc.)
RS485 serial port
Input Three analogue input
Three-wire PT100 resistor input (optional)
Other functions :
Automatically record the totaliser data of the last 64 days / 64 months / 5 years;
The power-on time and corresponding flow rate of the last 64 power on and off events. Allow manual or automatic flow loss compensation
The instrument working status of the last 64 days
PIPE
Material : Steel, stainless steel, cast iron, cement pipe, copper, PVC, aluminum, FRP etc. Liner is allowed
Size 15-6000mm
Straight pipe : In the upstream it must be beyond 10D, in the downstream it must be beyond 5D, in the upstream the length must be beyond 30D from section the access of the pump. (D stands for pipe diameter)
LIQUID
Type : Water, sea water, industrial sewage, acid & alkali liquid, alcohol, beer, all kinds of oils which can transmit ultrasonic single uniform
Liquid Temperature : Standard: -30˚C - 90˚C ,High-temperature:-30˚C - 160˚C
Turbidity : Less than 10000ppm, with a little bubble
Flow Direction : Bi-directional measuring, net flow/heat measuring
ENVIRONMENT
Temperature Main Unit: -30˚C - 80˚C
Temperature Transducer: -40 ℃ -110 ℃
Temperature transducer: select enquiry
Humidity Main Unit: 85% RH
Humidity Transducer: water-immersible, water depth less than 3m
CABLE
Twisted Pair Line, standard length of 20m, can be extended to 500m (not recommended); Contact the manufacturer for longer cable requirement.
RS-485 interface, transmission distance up to 1000m
Power Supply : AC220V or DC24V
Power consumption : Less than 1.5W
Protocols : MODBUS, M-BUS, Fuji extended protocol and other factory protocol
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