Dold Monitoring devices

DOLD offers you a comprehensive offer of measuring and monitoring relays for your individual needs. The devices detect and provide early notification if critical limits of electrical variables such as current, voltage, power, insulation resistance, et cetera are violated.

This allows dangers to people and machinery to be reliably avoided. In addition, the availability of your machines and systems will be increased and production outages will be minimized. DOLD's portfolio ranges from standard devices for the monitoring of individual variables to multifunctional devices to flexible error message systems.

Residual current monitors

Unplanned interruptions of the operation of machines and systems are a significant cost factor. Insulation errors are a frequent cause for this. In grounded networks (TN networks), DOLD difference current sensors ensure reliable residual current monitoring. Expensive standstill time is avoided by this and, in addition, a possible risk of fire that latently exists by a gradual insulation error is also prevented. The difference current sensors are universally deployable as they can detect both direct and alternating current.

Equipment for insulation fault location

In complex industrial systems, the localization of insulation errors can be expensive and time-consuming. The insulation error search system from DOLD allows an automatic and fast localization of faulty electrical circuits in complexly insulated AC/DC networks (IT systems) and this increases reliability and system availability. Thanks to the low maintenance costs and the avoidance of interruptions in operation, the investment costs for the DOLD insulation error search system are amortized quickly.