FDT-25W Wall Mounter Ultrasonic Flowmeter
5
1.6 Product Identification
Each set of the flow meter has a unique product identification number or ESN (electronic serial
number) written into the software that can only be modified with a special tool by the
manufacturer. In case of any hardware failure, please provide this number which is located on menu
window
M61
when contacting the manufacturer.
1.7 Specifications
Items
Specifications
Main unit
Accuracy
±1% of reading at rates >0.2 mps
Repeatability
0.2%
Principle
Transit-time measuring principle
Response Time 0~999 seconds,user-configurable
Velocity
±32m/s
Pipe Size
DN15mm-6000mm
Display
LCD with backlight, display accumulated flow/heat, instantaneous
flow/heat, velocity, time etc.
Output
One channel standard isolation 4-20mA or 0-20mA active output.
One channel OCT output(programmed between the pulse width
6-1000ms,default value is 200ms)
One channel isolation Relay output,with positive,negative,net
accumulation pulses and different alarm signals)
One channel standard isolation RS485 output
Input
Three channel 4-20mA analogue input
Two channel three-wire PT100 resistor input (optional)
Other functions
Automatically record the positive,negative,net totalizer flow rate and
heat quantity of the last 512days/128months/10years.
Automatically record the time of power-on/off and flow rate of the
last 30times.Replenish by hand or read the datas through Modbus
communication protocol.
pipe
material
Steel, stainless steel, cast iron, cement pipe, copper, PVC,
aluminum, FRP etc. Liner is allowed
Size
15-6000mm
Straight pipe
section
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
the access of the pump. (D stands for pipe diameter)
Liquid
Types
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
Transducer: -40
℃
-110
℃
, Temperature transducer: select on
enquiry
Humidity
Main Unit: 85% RH