25kHz high frequency TM-25M grounding resistance meter was developed for overcoming difficulties with testing transmission towers.
The TM-25M allows testing without disconnecting ground wires which act as lightning rods, protecting the lines from atmospheric discharges Read more...More Product Announcements from Duncan Instruments Canada, Ltd.
The GFR Series relays protect industrial electrical equipment such as motors, transformers and feeders, against the damage caused by low magnitude ground currents. GFR-2/3 work effectively on both high and low resistance grounded distribution systems. The package consists of: Ground Fault Protection Relay and Zero Sequence Current Transformer. Read more...More Product Announcements from Duncan Instruments Canada, Ltd.