HOH-S-CFB portable comparative flowmeter

1application

The HOH-S-CFB handheld ultrasonic open channel flowmeter is designed specifically for polluting enterprises, research institutions, environmental protection departments, law enforcement and testing agencies

One of themPortable liquid level comparison flowmeter,Suitable for standardizedchannelCooperate as aboveTriangular weir, rectangular weir, broad crest weir, Bacher trough and other trough weirsperformflow

Measurement and inspectionMeasure. This productIt is divided into two types: ordinary type and high-precision type. Ordinary type is suitable for general enterprise users to self measure and test, with high precisionSuitable for executionBoard of Justice

Door orSuperior units compare, test and calibrate the installed on-site flow measurement equipment.

On site installation and connection method of equipment

2、 Equipment composition

The device is controlled by the host(Comes with)256M storage card, optional battery), ultrasonic level gauge（1 piece）Power adapter（1 piece）Data cable（1 piece), instrument box (1 piece) and other accessories,There are two types of ultrasonic level gauges: ordinary type (range)5 meters, accuracy 2mm), high-precision type (range 1 meter, accuracy 1mm).

IIIProduct size (unit)mm）

4Equipment features

★ Built in multiple algorithms suitable for various weirs and channels;

★ Standby time greater than 20 hours;

★ Can be powered by multiple batteries (battery power instructions);

★ Backup and restore settings parameters;

★ Bilingual menu in Chinese and English;

★ Equipped with digital filtering and echo recognition functions;

★ Supports USB and memory card output;

★supportMiniSD card data acquisition;

★ Support custom mathematical function operations;

★ Built in GPRS, LORA, NB, RF, Bluetooth, WiFi, etc. (to be selected upon order).

Accumulator parameters(Selected at the time of ordering)

Cumulative range:9999999 Km³

instantaneousRange:0～93m³/s

Weir groove types: triangular weir, rectangular weir, equal width weir, Bacher grooveTrapezoidalU-shaped, O-shaped, etc

Traffic accuracy:±1%

Display: Chinese English LCDColor screenTFT (optional)

output(Selected at the time of ordering)

Digital output: USBmemory card8G

Wireless transmission:GPRS (customizable data collection system)

Satellite positioning:GPS

power supply

Working voltage:3.7V lithium battery

External power supply:DC5V

Normal power consumption:<1.5W

physical property

Host size:200mmX94mmX40mm

Shell material:ABS

Key: 16 bit keyboard

ENVIRONMENTAL

Working temperature: -10~60 ℃

ambient humidity:≤85RH

Storage temperature:-40℃～70℃

Store wetDegree:≤ 80% RH without condensation

Pressure: Normal pressure

sensingimplementparameter(Order selection)

Range: 1m, 2m, 5m

blind area:<0.06m-0.5m (different from range)

Emission angle: less than 6 ° (varies depending on sensing)

liquid levelAccuracy:± 1mm - ± 0.25% F.S (varies with range)

Temperature compensation: automatic compensation

ENVIRONMENTAL (Order selection)

Protection level:IP65 (customizable)

Explosion proof grade:EXiaII BT4Gb

operation temperature: －10℃～60℃

working pressure: Atmospheric pressure

Storage temperature:≤ 80% RH without condensation

physical property(Order selection)

External dimensions: subject to the actual product

Shell material:ABS

Incoming cable: 2m (customizable)

Installation interfaces: G1 1/2, G2, M60, G3 1/2, bracket