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『Gas intelligent turbine flowmeter』Related information(clamp on meter|electromagnetic meter|venturi meterrotameter|orifice meter|ultrasonic flow meter|mass flow meter|coriolis mass flow meter|coriolis flow meter|magnetic flow meter|magmeter flow meter|magflow flow meter|mag meter flow meter|electromagnetic flow meter|vortex flow meter|turbine flow meter|thermal mass flow meter|thermal flow meter|rotameter flow meter)
1. Technical parameters of gas turbine flowmeter
Nominal diameter: Pipeline type: DN4~DN200 Insertion type: DN100~DN2000 Accuracy level: Pipeline type: ± 0.5 level, ± 1.0 level Insertion type: ± 1.5 level, ± 2.5 level Environmental temperature: -20 ℃~50 ℃ Medium temperature: Measuring liquid: -20 ℃~120 ℃ Measuring gas: -20 ℃~80 ℃ Atmospheric pressure: 86KPa~106KPa Nominal pressure: 1.6 Mpa, 2.5 Mpa, 6.4 Mpa, 25 Mpa Explosion proof grade: ExdIIBT4 Connection method: threaded connection, flange clamping, flange connection, insertion type, etc. Straight pipe section requirements: Gas: The upstream straight pipe section should be ≥ 10 DN, downstream straight pipe section should be ≥ 5DN Liquid: upstream straight pipe section should be ≥ 20DN, downstream straight pipe section should be ≥ 5DN Insertion type: upstream straight pipe section should be ≥ 20DS, downstream straight pipe section should be ≥ 7DS (DS is the measured inner diameter of the pipeline)
(1) Remote display: pulse output, current output (with display instrument)
(2) On site display: 8-bit LCD displays cumulative flow rate, unit (m3), 4-digit LCD displays instantaneous flow rate, unit (m3/h), battery level, frequency, flow rate
(3) Temperature and pressure compensation type: A, displays standard instantaneous flow rate and standard cumulative flow rate B, displays current pressure, temperature, battery voltage
(1) Pulse output, The p-p value is determined by the power supply
(2) 4-20mA two-wire current output
(3) Unit volume pulse output and sensor raw pulse output
(4) Equipped with RS485 communication interface
(1) DC5-24V
(2) Standard 3V lithium battery installed inside the instrument can be con
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(3) Temperature and pressure compensation type 3V lithium battery installed inside the instrument can be continuously used for more than four years
Transmission distance: The distance from the sensor to the display instrument can reach 500m3.1 Basic parameters: 3.1.1 Instrument caliber and connection method 25, 40, 50, 80, 100, 150, 200, 250 use flange connections.
5, 40 can use threaded connections with accuracy levels of ± 1.5% R and ± 1% R, with a range ratio of 1:10.
; 1:20； 1: 30 display mode: widescreen display simultaneously displays instantaneous flow, daily cumulative flow, total cumulative flow, temperature, pressure, time, date, battery level. Instrument material: 304 stainless steel; Impeller: anti-corrosion ABS or high-quality aluminum alloy; Display: Cast aluminum temperature and pressure sensor, built-in measured medium temperature (℃) -30 ℃, socks~+80 ℃, environmental conditions: medium temperature: -30 ℃~+80 ℃, relative humidity 5%~90%, atmospheric pressure 86~106Kpa, communication signal three wire working condition pulse, three wire standard condition pulse, three wire 4-20mA, RS485 protocol, IC card signal power supply, built-in lithium battery, external 24VDC dual power supply, transmission distance ≤ 1000m, signal line interface, internal screw end, scratch M20 × 1.5 explosion-proof level ExdIIBT6 protection level IP65 3.1.2 accuracy level1.0 level, 1.5 level 3.1.3 usage conditions: · Environmental temperature: -30 ℃~+60 ℃; ·Atmospheric pressure: 86KPa~106KPa; ·Medium temperature: -30 ℃ to+80 ℃; ·Relative humidity: 5%~95% 3.3 Instrument selection 1. Selection instructions: When selecting, users should reasonably choose the mode