Home > Products > Flow meters > Handheld ultrasonic flowmeter
Handheld ultrasonic flowmeter
- 5000 Piece / Pieces per Month
- Shanghai / Tianjin
- T/T L/C D/P D/A Credit Card
Product Details
Place of Origin: | Shaanxi, China | Brand Name: | Qinwei | Model Number: | HL-LWS |
Product Description
Specifications
1.3AAA Ni-H Battery Powered2.RS232 Output
3.portable/handheld
4.no invasive.no intrusive.no blockage.no moving part
Handheld ultrasonic flowmeter utilizes low-voltage, multi-pulse time difference principle, the use of high-precision and ultra-stable double-balanced differential signal transmitter, differential receiver digital detection technique to measure the downstream and upstream directions sonic transit time flow rate calculated according to the time difference . With good stability, zero drift, high accuracy, wide turndown ratio and strong anti-jamming features.
When the ultrasonic beam propagation in the liquid, the liquid flow will produce small changes in the propagation time, the propagation time is proportional to the fluid flow rate variation, zero flow, the two acoustic sensors required for transmitting and receiving exactly the same time (the only actual measured zero flow technology); medium flow, countercurrent flow of the acoustic transmission time is greater than the direction of acoustic transmission time
Item | Specification of handheld ultrasonic flowmeter |
Linearity | 0.5% |
Accuracy | ±1% first to meet the accuracy in domestic |
Repeatability | 0.2% |
Response Time | 0-999 seconds, user-configurable |
Velocity | 0.01±32m/s |
Pipe Size | 20mm-6000mm |
Applicable to | Applicable for steel, stainless steel, cast steel, PVC, FRP and other uniform dense quality pipe |
Liquid types | water, sea water, sewage, alcohol, various oils such as uniform, single, stable liquid |
Output Signal | OCT output of positive and negative, the net cumulative pulse signal and frequency signal (1-9999Hz optional) |
Data Interface | RS232 interface is used for plastic net testing or export the record data. RS-232C, baud-rate: from 75 to 57600. Protocol made by the manufacturer and compatible with that of the FUJI ultrasonic flow meter. User protocols can be made on enquiry. |
Security | Setup values Modification Lockout. Access code needs unlocking |
Display | 4 lines English characters on-screen display instantaneous flow, velocity,, cumulative flow, signal status working hours and so on . |
Straight pipe length | Upstream≥10D,Downstream≥5D, Length from pump exit≥30D |
Transducers | Model M1 for standard, other 3 models for optional |
Transducer Cord Length | Standard 2x10 meters, optional 2x 500 meters |
Power Supply | 3 AAA Ni-H built-in batteries. When fully recharged it will last over 10 hours of operation. 100V-240VAC for the charger |
Data Logger | Built-in data logger can store over 2000 lines of data |
Housing Material | ABS |
Size | Small size 220×92×32mm |
Weight | Light weight 538g with batteries |
Contact Us
- Xian Qin Wei Instrument Factory
- Contact nameJay Cen
- Phone0086-029-84212812
- AddressRm. 1-1401, 14/F, Unit 1, No. 1 Bldg., Huahao Lidu, No. 129, Daqing Road, Lianhu District
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