This manual mainly introduces the characteristics and usage of HI 8614 / HI 8614L (pH) and HI 8615 / HI 8615L (ORP) products.
This document provides instructions for the setup, calibration, and maintenance of Hanna Instruments HI 8614/8614L (pH) and HI 8615/8615L (ORP) transmitters. These are 2-wire water-resistant devices designed for long-distance industrial applications, transmitting signals in a 4 to 20 mA current loop.
| Range (Current) | 4 to 20 mA |
|---|---|
| Resolution (pH) | 0.01 pH |
| Accuracy (@20°C) | +0.02 pH |
| Protection Class | IP 65 |
| Environment Temperature | 0 to 50°C (32 to 122°F) |
| Power Supply (HI8614) | 18 to 30 Vdc |
| Power Supply (HI8615) | 18 to 30 Vdc |
The maximum distance between the power supply and the amplifier is 300 m (1000').
Yes, HI8614/8614L can connect to HI8510T, HI8710T, or HI8711T, and HI8615/8615L can connect to HI8512T or HI8720T.
Use pH 7.01 and pH 4.01 for acid samples, or pH 7.01 and pH 10.01 for alkaline measurements.