Base Station Magnetometer Magnetic Susceptibility Meter

The Service Manager‘s Handbook – Maintenance, Troubleshooting, and Long-Term Support

For field organizations that depend on equipment functioning flawlessly day after day, the maintainability and supportability of an instrument are as critical as its measurement specifications. The WCZ-3 has been designed to minimize downtime through serviceable components, clear diagnostics, and documented repair procedures. This handbook-style overview covers the practical aspects of keeping the instrument in peak condition over a decade of field use.

Preventive Maintenance Schedule – The WCZ-3 requires minimal routine maintenance. The sensor probe is sealed but includes a fill port for the hydrocarbon fluid (kerosene or similar). The port is sealed with PTFE tape and a threaded plug. Annually, or if the quality index consistently drops below 8 in quiet conditions, the fluid level should be checked and topped up. The included PTFE tape roll and small wrench are the only special tools needed. The probe connector should be inspected for corrosion; a light application of dielectric grease at annual intervals prevents galvanic corrosion. The battery requires no user maintenance beyond charging; it has a cycle life of 500-800 full discharges before capacity degrades to 80%. Replacement batteries are user-swappable with a screwdriver.

Diagnostic Self-Tests – The instrument includes a built-in diagnostic suite accessible through the menu. Tests include: battery capacity measurement, memory read/write verification, display pixel check, keypad response, and sensor coil continuity. Results are displayed on screen and can be logged to a diagnostic file on the USB drive. These tests allow field crews to verify instrument health before deployment.

Factory Service and Calibration – Because the WCZ-3 provides an absolute measurement, no routine calibration is required. However, the manufacturer recommends an annual verification check to ensure no damage has occurred (e.g., from lightning strike or mechanical shock). Verification involves comparing the instrument’s readings to a reference magnetometer at a known quiet site. If a discrepancy exceeds ±2 nT, factory service is available. The modular design allows quick replacement of the sensor coil assembly (field-replaceable) or the main board (factory replacement). Typical turnaround for factory service is 5-7 business days from receipt.

Firmware Updates – The manufacturer periodically releases firmware updates that add new features, improve algorithms, or support additional GNSS constellations. Updates are distributed as a file downloadable from the support website. The user copies the file to the WCZ-3’s USB drive, reboots, and follows the on-screen update prompt. The process takes under two minutes and does not erase stored survey data. Version history is maintained, allowing rollback if needed.

Spare Parts and Consumables – Recommended spares for extended field campaigns: one replacement battery, one spare sensor probe cable, PTFE tape roll, and the small wrench for the fill port. The standard accessories kit already includes these, plus spare screws of various sizes. The probe itself is rugged but can be damaged by impact; a spare probe is recommended for remote surveys.

Warranty and Support – The WCZ-3 comes with a 2-year limited warranty covering defects in materials and workmanship. Technical support is available via email and telephone during business hours, and the manufacturer maintains a knowledge base of common issues and solutions. Extended service contracts are available for large fleets or critical infrastructure projects.

For the service manager responsible for keeping field crews operational, the WCZ-3 represents a low-maintenance, highly supportable instrument with documented procedures, available spares, and responsive factory assistance.