Function:
Compact and portable pen design, easy to operate and store. Large transparent LCD, easy to read and accurate measurement function. The tester is made of high quality electronic components to ensure high precision. Suitable for water sources, aquariums, hydroponics, pools and other water systems. The resolution of the ORP tester is 1 mv, very sensitive.
Specifications:
Model: ORP-169
Measurement range: 0-± 1999mg/LmV
Resolution: 1 mV
Accuracy: ±5 mV
Operating voltage: 4 * 1.5V (AG-13 battery) (not included)
Operating Temperature: 32°F - 122°F (0°C - 50°C).
Modification: 1-point correction
Product Dimensions: 7.4 x 1.4 x 1.4 inches (188 x 35 x 35 mm)
Weight: 290g / 10.2oz
Instructions:
1. Remove the protective cover.
2. Touch the ON/OFF switch and turn on the power.
3. Put the electrode in the solution to test, shake gently, and read the indicated value when the value is stable.
4. Touch the hold button to hold the current measurement. If you need to measure again, press HOLD button again to automatically release the hold.
5. After use, press the switch, clean the electrode with distilled water, then cover the protective cover.
Note:
1: There is a white crystal salt around the electrode, which is a normal phenomenon of ORP electrodes. If the electrode is submerged in clean water