1、 Negative potential (O.R.P) pen:
pen-inputORPCalculate (oxidation-reduction potential). It has small size, high accuracy, stable and reliable operation, etc. It can simultaneously measure and display solutionsORPValue and temperature values, easy to operate. It is field and laboratory testing and controlORPThe best choice for value. Widely used in industries such as chemical, pharmaceutical, electronics, and foodORPValue monitoring.

2、 Product Introduction:
1.1 Automatic shutdown function.

1.2 ℃/℉ temperature automatic conversion.
1.3 Electrode replacement is convenient and fast, reducing usage costs.
Dual display of 1.4 mV value and temperature value.
1.5 Data locking function
1.6 Small size, light weight, and easy to carry.
1.7 Wide measurement range.
3、 Technical parameters:
Measurement range: ± 1200mV
Resolution 1mV
Accuracy: ± 2mV
Calibration: Factory calibrated, users can use it directly
Temperature display: 1 ℃/2 ℉
Size: 188 x 38mm, * including electrodes
Working temperature: 0-50 ℃ (32-122 ℉)
Weight: 88 g (including electrodes)