HANGZHOU QIWEI INSTRUMENT CO., LTD

After unpacking the instrument, please check the following devices:
● PHS-3C pH meter(1)
● E201-CW Molded PH composite electrode(1)
● short circuit plug (plug electrode jack on the rear of the instrument)(1)
● electrode holder(1)
● Power adapter (9V DC output)(1)
● standard buffer reagents: pH4, pH 6.86, pH 9.18(1)
● User Guide(1)

2、 the instrument technical characteristics compensation
Model PHS-3C
Measuring Range pH：0～14.00pH; mV:±1600mV; temperature：0～100℃
Resolution pH：0.01/0.1pH，temperature：±1℃
Precision pH：0.01pH，temperature：±1℃
Temperature Compensation 0－100℃Manual
Basic Configuration E-201-C plastic PH composite electrode
(for the solution temperature of 5-60 ℃ range measurement)
The PH standard calibration sample
The DC9V power adapter

Working conditions
● Ambient temperature：0 ~ 40 ℃； Relative Humidity： <85%
● Electricity Supply source：9V DC power supply
● no significant vibration
● In addition to the Earth's magnetic field external magnetic field interference
● Input impedance：≥ 1 × 1012Ω
● zero drift： ≤ 0.01pH ± 1 word / 2 hours
● solution temperature compensation range：0~ 100 ℃
Dimensions and weight：230 × 200 × 60mm (length × width × height) 1.2Kg