Characteristics and use

DZG-303B (LCD-AA) type resistivity Tester is a microcontroller circuit measurement and intelligent electrical resistivity measurement of nonlinear compensation instrumentation, use of large-screen backlit liquid crystal display Chinese instructions, widely used in electronics, chemicals, pharmaceuticals, electrical, potable water industry-water making equipment such as high electrical resistivity of pure water online measurement and control

Instruments main features

1, using nonlinear temperature compensation circuit of single chip machine;

2, with full scale correction automatically;

3, with the switch shows the resistivity and conductivity values;

4, with measurements, the temperature value displayed;

5, with resistivity minimum conductivity limit select alarm setting;

6, RS-232C communications interface output;

7 with 220VAC power and 24VDC options;

Second, the major technical indicators

1, range of measurement: from a channel: 0~18.23M ω • cm, b: 0~18.23M ω • cm;

2, temperature compensation: automatic temperature compensation, the scope of compensation 0~60℃ compensation benchmark 25 ℃, temperature compensation components NTC10K ω;

3, displayed: the 58x42 big-screen backlit LCD, 4 0.56'LCD resistivity or conductance values are displayed, displays the temperature value 3 0.36'LCD;

4, measuring accuracy: ≤ ± 2% (F • S);

5, electrode configuration: 0.01cm-1 stainless steel electrodes, 4/' pipe thread connection, length 5 m;

6, alarm control output: the device resistivity or conductance value selection alarms settings, when the measured value exceeds or falls below the set value, providing switching contact signal output, contact capacity: 220VAC/6A;

7, and the current signal output: the instrument can provide standard 4~20mA DC resistivity or conductance rate signal output 4mA and 20mA values operating conditions can be set according to user requirements;

8, RS-232C serial port output: this instrument has a standard serial port output RS-232C, be smart with this interface is connected to the instrument, such as a computer, the printer (DY-301B), printed records of measurement data;

9, real time clock function: this instrument is provided with real time clock function, print recorded data can be recorded in real time;

10, instrument power supply: this instrument with 24VDC or 220VAC power supply (when placing an order confirmation);

11, instrument size: box size: 96x96 (mm) hole size: 91x91 (mm) instruments depth: 95 (mm)

12, product test: Q/TCDP03