Explosion-proof  ultrasonic flowmeter
 

         Item                                   Performance, Parameters

Measuring  Principle

Ultrasonic wave transmission time difference principle, dual CPU working in parallel, 4-byte floating-point operations

Accuracy

Better than ±1.0 %

Repeatability

0.2%

Velocity

0.03-±32 m/s

Measurement Period

0.5S

Display

backlit LCD can display 2x20 letters instantaneous flow, cumulative flow, velocity, time, calories and other data signal output at the same time etc.

Keypad

4x4-key membrane keypad with tactile feedback

Input

Can input two current signals(such as: temperature, pressure, liquid level, etc. signals) in order to achieve heat measurements or a dual-purpose machine

Output

electric current signal  4-20mA or 0-20mA, etc. Impedance 0 - 1K, accuracy 0.1%

Isolated OCT output

for frequency output (0-9,999Hz)

Internal Alarm(Buzzer)

user programmable

External Alarm Driver

alarm signal can be transmitted to Relay or OCT
output terminals to drive an externa alarm. 

Data Interface

RS-232 serial port.

Power

AC: 220VDC: 8~36VDC or AC7-30V

Power Consumption

< 2W

Work time

Continuous

Environment  Temperature  

-30-80 Degrees Celsius

Environment Humidity

85% RH

Other features

Memory before 64 days before the 64 months, the first 5 years of cumulative flow.
Automatic memory 64 of the calls, and power outages before the time and traffic, can be manual or automatic fill volume, thus reducing flow losses
Automatic memory 64 days before the meter is operating normally