DZG-303B resistivity meter (dual detection)

Overview
The DZG-303B (dual detection) resistivity meter is an intelligent resistivity value measurement and control instrument that uses a microcontroller for measurement and non-linear temperature compensation. It features a large backlit LCD display with Chinese prompts for operation. Widely applicable for measuring and monitoring industrial online resistivity in water production industries such as electronics, chemical, pharmaceutical, electromechanical, nuclear energy, and drinking water.

Main characteristics of the instrument
Using a microcontroller for nonlinear temperature compensation;
Equipped with automatic full-scale calibration;
Equipped with dual channel measurement and switching display;
Synchronized display of measured values and temperature values;
Select the alarm output for the lower limit of resistivity value;
Equipped with RS-232C communication interface output;
Equipped with 220VAC and 24VDC power supply options;

Main technical indicators of the instrument
Measurement range: Channel A: 0-18.25M Ω• cm, Channel B: 0-18.25M Ω• cm;
Temperature compensation: with automatic temperature compensation, compensation range 0-60 ℃, compensation reference 25 ℃, temperature compensation element NTC10K Ω
Display mode: A 58 × 42 large backlit LCD screen is selected, with a 4-digit 0.56 'LCD displaying the resistivity value and a 3-digit 0.36' LCD displaying the temperature value;
Instrument level: 2.0 level;
Electrode configuration: C=0.01 stainless steel electrode, 4 'pipe type threaded connection or sanitary grade chuck connection, wire length of 5 meters;
Alarm control output: This instrument can select alarm settings for resistivity values. When the measured value is lower than the set value, it provides switch contact signal output. Contact capacity: 220VAC/6A (optional A channel or B channel);
Current signal output: This instrument can provide standard isolated 4-20mA DC signal output, and the operating conditions of 4mA and 20mA values can be set arbitrarily according to user requirements; Output load ≤ 750 Ω (active) (optional A channel or B channel)
RS-232C serial port output: This instrument has a standard RS-232C serial port output, which can be connected to intelligent instruments with this interface, such as computers and printers (DY-301B), to achieve printing and recording of measurement data;
Real time clock function: This instrument has a real-time clock function, which can record printed data in real time;
Instrument power supply: This instrument has a choice of 220VAC or 24VDC power supply (confirmed by the user when ordering);
Instrument size:
Frame size: 96 × 96 (mm) Hole size: 91 × 91 (mm) Instrument depth: 100 (mm)
Product standard: Q/TDCB04