Specifications
- Voltage Range:
- 50V, 120V, 230V, 400V, 690V
- CALCHECK Function:
- Yes
- Proving Capability:
- Up to 690V
- Battery Indicator:
- Low battery indicator present
- Typical Applications:
- Electrical installations and maintenance
Description
A unique proving unit that comes complete with a CALCHECK feature for use with installation testers and 5 stepped voltage thresholds matched to common two pole tester thresholds. This additional feature makes it easy to verify the insulation and low resistance ranges on many multifunction and single function insulation testers on-site.
Toolsure® is an online store based in London, UK, offering a carefully selected range of home improvement essentials, plumbing & heating products, and other trade supplies. We cater to professionals, DIY enthusiasts, and tradespeople by providing a diverse selection of well-reviewed brands and practical designs to support a variety of projects.