Products Description
Online ORP meter is an intelligent online instrument used to test the ORP value of water quality. It has the characteristics of complete functions, stable and reliable performance, easy operation, and easy installation and maintenance. It is suitable for testing and controlling ORP in various fields such as industrial enterprises.
ORP calibration
During the calibration process of ORP, the user can freely set the calibration values, and here we provide the user with two methods for preparing standard solutions:
A. 86mV: Add a slight excess of quinone hydroquinone to the standard 6.86 pH buffer.
B. 256 mV: Add slightly excess quinone hydroquinone to standard 4.00 pH buffer
The storage time of the standard solution is one week.
Technical Parameters
| Measurement parameter | ORP | The hysteresis of the relay | can be freely adjusted |
| Measurement range |
-2000mV~2000mV |
Signal input impedance | ≥ 1 × 1012 Ω |
| Resolution of | 1mV | Working voltage | 220VAC ± 10%, 50/60Hz |
| Accuracy | ± 1mV | External dimensions | 96 * 96 * 110mm |
| Standard solution | ORP Any standard solution | Opening size | 92 * 92mm |
| Working temperature | -5~65 ℃ | Weight | 0.6Kg |
| Display screen | 70 * 50mm large backlit LCD display | Working environment temperature | -5~55 ℃ |
| Output signal | 4-20mA isolation protection output, maximum load 500 Ω | Relative humidity of air | ≤ 90% |
| Output mode | ON/OFF relay output contact, 220V, 5A | No strong magnetic field interference around except for the Earth's magnetic field |
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