| Mounting Style | Panel mount |
|---|---|
| Input Type | Differential input with potential matching pin |
| Terminal Connections | Screw-terminal plug-in green terminal blocks |
| Country of Manufacture | Romania |
| Mounting Hardware Included | 3 sets of L-bracket panel mounting clips with threaded rods |
| MPN | HI 504 Series |
| Measurement Parameters | pH and ORP |
| Electrode Input Connector | BNC coaxial |
| Brand | Hanna Instruments |
| Status LED Indicators | 2 (labeled STATUS) |
| Temperature Compensation | Automatic (ATC input terminal present) |
| Display Type | LCD |
| Number of Relay Outputs | 4 |
| Keypad | 6-button membrane keypad (LCD, CAL DATA, SETUP, CAL, Up, Down, CF |
| Relay Contact Indicators | 4 LED indicators (labeled 1, 2, 3, 4) |
Check the listing for details. Hanna Instruments HI 504 pH/ORP Panel Controller with Relays. Condition: New. Listed at 911.40 USD.
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