What to do if Hach Laboratory Equipment shows clock battery failure?
- NNicolas BuchananAug 3, 2025
If the Hach Laboratory Equipment clock battery fails, fax a system status printout to technical support for assistance.

What to do if Hach Laboratory Equipment shows clock battery failure?
If the Hach Laboratory Equipment clock battery fails, fax a system status printout to technical support for assistance.
| Brand | Hach |
|---|---|
| Model | MET ONE 3423 |
| Category | Cash Counter |
| Language | English |
Detailed technical specifications for the MET ONE 3400 particle counter hardware.
Explains DANGER, WARNING, CAUTION, NOTICE symbols and common safety icons on the instrument.
Instructions for unpacking, inspecting, and preparing the instrument for use.
Safety guidelines for electrical connections and protection against electrostatic discharge.
Guidance on connecting probes, power, and USB devices to the instrument.
Step-by-step instructions for inserting the batteries into the particle counter.
Instructions for assembling the particle counter system with probes and connections.
Configuring the instrument for serial, Ethernet, and wireless network connections.
Setting and changing operation modes and configuring core system parameters.
Procedures for logging into the instrument and performing particle count measurements.
Procedures for cleaning the instrument, resetting counts, and updating software.