LJD10A printing flowmeter

LJD10APrinting flowmeter

This instrument is a portable device designed and manufactured specifically for environmental monitoring stations, factories and mines with pollution monitoring tasks, water conservancy and hydrological measurement, agricultural drainage and irrigation, hydrogeological survey and other departments to measure the flow velocity and flow rate of water.

The complete set of instruments consists ofLS10Type rotary propeller flowmeter, low-power flow measurement printer, and1.4Meter measuring rod(four seasons)Composition (as shown in the figure)1As shown, all are placed in a small instrument box, which is very convenient for field personnel to carry and use.Using this instrument to measure flow in the field, only one person is needed to complete the measurement of flow velocity, second flow rate, and cumulative flow rate.

The current meter adopts the internationally advanced signal timing calculation principle and utilizes the latest technologyCMOSThe microcontroller and low-power printing calculator make the entire instrument have the characteristics of simple structure, compact size, high degree of automation, complete functions, low power consumption, and high accuracy. In addition, the printing calculator still retains all its original functions.

1Speed measurement range:0.10~4.00m/s；

2Measurement error: ≤3%；

3Display mode:12LCD display;

4Printing method: ① When measuring speed, print once for each measurement and repeat automatically;

② When measuring the flow rate per second, print it once and repeat automatically;

③When measuring cumulative traffic volume,Automatically print the accumulated traffic every two minutes;

5．Operating temperature:0~40℃；

6Power supply voltage:2200mALithium battery pack.

LJD10A printing flowmeter

5、 Maintenance of instruments

1Maintenance, upkeep, and precautions for flow measurement printers

This instrument has been optimizedThe electrical components of the LJD-10 printed flow meter are as follows:

①Add power switch symbol, turn onTurn off 'O'.

②Adopting a large capacity lithium battery pack with a charging temperature rangeAt temperatures ranging from 0 ℃ to 45 ℃, the lithium battery pack is equipped with MOS protection tubes, which have over effect protection function.

③Battery charging, the charger comes with a round hole plug, which can be directly inserted into the instrument charging port during charging. The red light will light up during charging, and the charging time is approximatelyAbout 3 hours, when the green light is on, it indicates that the charging is complete.

④Charge the electrical instrument once and use it normallyAbout two months.

Caution: Do not use charging near a fire source or in cars with high temperatures. Do not open the lithium battery pack package without authorization, and bear the consequences.