The TISPU1 Proving Unit from Test Instrument Solutions is a reliable tool for verifying voltage indicators. It requires Alkaline AA batteries for operation.

Product Features:

• Product Type: Proving Unit
• Brand: Test Instrument Solutions
• Test Voltage: Operates between 50V and 690V
• LED Display: Features an LED display

The TISPU1 Proving Unit is compact, with dimensions of 110mm (Height) x 50mm (Width) x 45mm (Depth).