DC 10-28V dos canales de flujo de calor ultrasónico

Item

Performance, Parameters

Measuring

Host

Fineness

Level 2

Repeatability

0.5%

Velocity range

0.1 ~ ±7 m/s。

Measurement principle

Ultrasonic propagation time difference principle, 32-bit CPU operation, 8-byte double floating point operation.

Measurement period

50mS. (20 times per second, 64 sets of data are collected per cycle).

Display

2×10 or 4*8 backlit Chinese character LCD display, low power consumption for segment code LCD display.

Operation

4×4 keypad /4 key input.

Input

Two three-wire PT100/PT1000 platinum resistance input circuits can realize the function of heat metering

Export

Current signal: 4~20mA, impedance 0~500, floating, accuracy 0.1%FS.

Pulse signal: positive, negative, net flow and heat cumulative pulse OCT output.

Data interface: Standard isolated RS-485 interface.

Other Functions

Memory day, month, year cumulative traffic.

Fault self-diagnosis function; Network working mode, etc.

Inductor

External clamp type: small standard S1 type, suitable for pipe diameter DN15 ~ DN100mm

Medium standard M1 type, suitable for pipe diameter DN50 ~ DN700mm

Large standard L1 type, suitable for pipe diameter DN300 ~ DN6000mm

Insert type: The measuring pipe material is not limited (weldable, non-weldable can be) suitable for pipe diameter DN80 or more.

Standard pipe segment: suitable for pipe diameter DN50-DN2000

Cable Length

Can be extended to 100m (more than this length please contact the manufacturer).

Pipeline

Lining

Steel, stainless steel, cast iron, hard plastics, cement pipes and other dense pipes, allowing lining.

Inside diameter

10mm - 6000mm。

Length of straight pipe section

Upstream ≥10D, downstream ≥5D, ≥30D from the pump outlet.

Fluid

species

Water, seawater, acid lye, food oil, steam, coal, diesel, crude oil, alcohol, beer and other uniform liquids that can spread ultrasonic waves.

turbidity

≤10000 ppm, and small bubble content.

temperature

-10~150℃。

Flow direction

The positive and negative flow can be measured separately, and the net flow can be measured.

Working

environment

temperature

Host: -10-70℃ (greater than this temperature range, please contact the manufacturer)

Probe: -30℃ ~ +150℃

humidity

Host: 85%RH

Probe: can be immersed in water, water depth ≤3 meters.

Electric source

Ordinary version: DC24V, AC220V power supply mode.

Low-power version: 3.6v lithium battery / 9~36V.