DpHJ-2, 3pH/ION meter calibrator

Microcomputer control, touch keyboard, high precision, good stability

Overview Summary of functions

DpHJ-2, 3pH/ION meter calibrator is a measurement tool products for all types of pH meter, ion meter, the measurement of high impedance millivolt meter measurement and verification of the precision instruments. The AC and DC power supply for portable equipment can be used in the laboratory or the field will be used.

Features

► microcomputer control, touch-type keyboard, a few large-screen LED display, can display output, the output number and the temperature

► low drift, high precision circuitry, imported integrated circuits, stable and reliable

► equipped with high-capacity rechargeable battery, AC adapter with outside work while automatically charging

► equipped with high impedance and low output impedance output interface, easy to use, can be used for accurate testing, the most precision of 0.0006

Specifications
Model Modl
DpHJ-2
DpHJ-3

Output signal and the precision
0 ~ 14pH ± 0.002pH

0 ~ ± 7pX2 ± 0.004pX2

0 ~ ± 1900Mv ± 0.5mV
-4.00 0 ~ +20.00 pH ± 0.0006pH

0 ~ ± 9.00pX Ⅱ ± 0.0012pX Ⅱ

0 ~ ± 1900Mv

± 0.12mV (≤ 1V) ± 0.25mV (> 1V)

Low-impedance output signal impedance
≤ 1kΩ

High impedance output signal impedance
1000MΩ

Ambient temperature
10 ℃ ~ 30 ℃

Relative humidity
≤ 80%

Power Supply
AC220 ± 22Hz power adapter