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High-precision integrated turbine flowmeter

Update: 2018-5-8 10:39:48 Click:
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Introduction

product description:

The integrated liquid turbine flowmeter structure is explosion-proof design, which can display the total flow, instantaneous flow and percentage of full flow. The battery adopts long-lasting lithium battery. The service life of the single function accumulator battery can reach more than 5 years, and the service life of the multi-function indicator battery can reach more than 12 months.

The head of the integrated liquid turbine flowmeter can display many flow units, including cubic meters, gallons, liters, standard cubic meters, standard liters, etc., you can set fixed pressure and temperature parameters to compensate for gas and change pressure and temperature parameters. For small occasions, the meter can be used for fixed compensation accumulation.

Features :

1. High accuracy, generally up to ± 1% R, ± 0.5% R, high precision type can reach ± 0.2% R;

2. Good repeatability, short-term repeatability can reach 0.05% ~ 0.2%, it is precisely because of good repeatability, such as regular calibration or online calibration can get very high accuracy, is the preferred flowmeter in trade settlement ;

3. Equipped with three-point correction of instrument coefficient, intelligent compensation of instrument coefficient non-linearity, and on-site correction;

4. Keep all valid data for 10 years after power off;

5. Wide range, medium and large caliber can reach 1:20, small caliber can be 1:10;

6. Compact and lightweight structure, convenient installation and maintenance, large circulation capacity;

7. Applicable for high-pressure measurement. There is no need to make holes in the meter body, and it is easy to make high-voltage meters.

8. There are many types of special-purpose sensors, which can be designed as various types of special-purpose sensors according to the special needs of users, such as low-temperature type, two-way type, downhole type, and sand mixing type

9. Can be made into a plug-in type, suitable for large-caliber measurement, small pressure loss, low price, can be continuously removed, convenient installation and maintenance;

Technical parameters :  

Nominal caliber: Pipe type: DN4 ~ DN200

Plug-in type: DN100 ~ DN2000

Accuracy grade: Pipe type: ± 0.5 grade, ± 1.0 grade

Plug-in type: ± 1.5 level, ± 2.5 level

Ambient temperature: -20 ℃ ~ 50 ℃

Medium temperature: Measuring liquid: -20 ℃ ~ 120 ℃

Measuring gas: -20 ℃ ~ 80 ℃

Atmospheric pressure: 86KPa ~ 106KPa

Nominal pressure: 1.6 Mpa, 2.5Mpa, 6.4Mpa, 25Mpa

Explosion-proof grade: ExdIIBT4

Connection method: thread connection, flange clamping, flange connection, plug-in type, etc.

Straight pipe requirements: Gas: upstream straight pipe section should be ≥10DN, downstream straight pipe section should be ≥5DN

Liquid: upstream straight pipe section should be ≥20DN, downstream straight pipe section should be ≥5DN

Plug-in type: upstream straight pipe section should be ≥20DS, downstream straight pipe section should be ≥7DS (DS is the measured inner diameter of the pipeline)

Liquid turbine flowmeter display mode: (1) Remote transmission display: Pulse output, current output (with display instrument)

(2) On-site display: 8-digit LCD shows cumulative flow, unit (m3)

4-digit LCD display instantaneous flow, unit (m3 / h), battery power, frequency, flow rate

(3) Temperature and pressure compensation type:

A. Display standard instantaneous flow and standard cumulative flow

B. Display current pressure, temperature, battery voltage

Output function:

(1) Pulse output, pp value is determined by the power supply

(2) 4 ~ 20mA two-wire current output

(3) Pulse output per unit volume and original pulse output of the sensor

(4) With RS485 communication interface

Power supply:

(1) DC5 ~ 24V

(2) The standard 3V lithium battery is installed inside the meter and can be used continuously for more than eight years

(3) Temperature and pressure compensation type 3V lithium battery installed in the instrument can be used continuously for more than four years

Transmission distance: up to 500m from sensor to display

Order notice :

In order to better serve you, please carefully select the product that suits your specific needs according to your actual situation. After you understand the basic attributes of our products, you can correctly select the instrument according to the design requirements and site conditions and order according to the complete product specification code.

When you fail to select the appropriate instrument according to the design and use requirements, please ask questions and requirements. Our professionals will assist you in selecting or designing and manufacturing special products for you. Please provide at least the following information: working pressure, working temperature, Media name, material requirements, etc.

Liquid turbine flowmeter is a precision flow measuring instrument. It can be used to measure the flow and total amount of liquid when it is matched with the corresponding flow totalizing instrument. Liquid turbine flowmeters are widely used in the measurement and control systems of petroleum, chemical, metallurgy, scientific research and other fields. Liquid turbine flow meters equipped with sanitary fittings can be used in the pharmaceutical industry.

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