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  • Describe

Jk-510 pH meter simplifies the function on the basis of ensuring the performance, so it has a very strong performance advantage. Clear display, simple operation and excellent performance make it have high cost performance. It can accurately measure the pH value and temperature of the solution.

Technical indicators:

Display mode: LED (digital tube) display, high brightness, eye-catching and intuitive, long visual distance

Measurement range: 0 ~ 14.00ph, - 1999 ~ + 1999mv, 0 ~ 99.9 ℃

Temperature compensation range: automatic / manual 0 ~ 99.9 ℃, 25 ℃ conversion

Resolution: 0.01ph, 0.1mv, 0.1 ℃

Accuracy: ± 0.05ph, ± 1mV, ± 0.3 ℃

Input impedance: > 1012 Ω

Current output: software setting 0 ~ 10 MA (load < 1.5 K Ω) or 4 ~ 20 MA (load < 750 Ω), two channels of 4 ~ 20 mA can be selected;

Alarm relay: AC220V, 3a, alarm signal isolation output.

Communication interface: isolated RS485 (optional)

Power supply: AC220 V ± 22 V, 50 Hz ± 1 Hz, optional DC 24 V ± 10%

Protection grade: IP54

Working conditions: ambient temperature: 0 ~ 60 ℃, relative humidity ≤ 90%

Storage after power failure: > 10 years

Weight and size: 0.8kg, 96 × 96 × 118 mm

Opening size: 92x92mm

Installation method of secondary meter: opening type

Electrode installation mode: flow type / sinking type / flange type / pipeline type

Main features:

Computerization: high performance CPU chip, high precision AD conversion technology and SMT chip technology are adopted to complete multi parameter measurement, temperature compensation, automatic range conversion and instrument self inspection, with high precision and good repeatability.

High reliability: no complicated function switch and adjusting knob.

Strong anti-interference ability: photoelectric coupling isolation technology is adopted for current output and alarm relay, which has strong anti-interference ability and realizes remote transmission.

Automatic alarm function: alarm signal isolation output, alarm upper and lower limit can be set arbitrarily, alarm delay cancellation.

Industrial control watchdog: ensure that the instrument will not crash.

Network function: isolated current output and RS485 communication interface; the upper and lower limits of current corresponding pH value can be set arbitrarily, and the hysteresis can be adjusted in the range of 0-7.00ph.

Automatic conversion of pH value of standard solution: the temperature curve of standard solution is pre stored, and the pH value of standard solution at the set temperature is automatically converted during calibration.

Automatic identification of error calibration: if the user uses the standard buffer incorrectly during calibration, the instrument will automatically prompt.

Order Guide:

1. The length of electrode cable shall be 10m without explanation.

2. Installation method of electrode.

3. Power supply, not specified as AC220V.

4. If there are special requirements for the products, they can be customized.

Technical indicators:

Display mode: LED (digital tube) display, high brightness, eye-catching and intuitive, long visual distance

Measurement range: 0 ~ 14.00ph, - 1999 ~ + 1999mv, 0 ~ 99.9 ℃

Temperature compensation range: automatic / manual 0 ~ 99.9 ℃, 25 ℃ conversion

Resolution: 0.01ph, 0.1mv, 0.1 ℃

Accuracy: ± 0.05ph, ± 1mV, ± 0.3 ℃

Input impedance: > 1012 Ω

Current output: software setting 0 ~ 10 MA (load < 1.5 K Ω) or 4 ~ 20 MA (load < 750 Ω), two channels of 4 ~ 20 mA can be selected;

Alarm relay: AC220V, 3a, alarm signal isolation output.

Communication interface: isolated RS485 (optional)

Power supply: AC220 V ± 22 V, 50 Hz ± 1 Hz, optional DC 24 V ± 10%

Protection grade: IP54

Working conditions: ambient temperature: 0 ~ 60 ℃, relative humidity ≤ 90%

Storage after power failure: > 10 years

Weight and size: 0.8kg, 96 × 96 × 118 mm

Opening size: 92x92mm

Installation method of secondary meter: opening type

Electrode installation mode: flow type / sinking type / flange type / pipeline type

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