A CEM DT-9985 digital insulation tester with a True RMS multimeter.
It combines a digital insulation tester with a full-featured True RMS digital multimeter in one handheld unit.
Key features include a large, backlit triple display, IP67 waterproof rating, and a wireless USB interface.
It can record and recall up to 9999 data points.
The device conforms to EN61010 CAT III (1000V) and CAT IV (600V) safety ratings.