The product is identified on the manufacturer's site with article number 8916717

Source information is published on the manufacturer's product page

Built-in replaceable filter nozzle

and deburr in one operation

Manufacturer: Treston

GW-Safety tester 5kV AC/6kV DC isolationstest 50-1000VDC Unit(s):Pcs The product is identified onElectrical Safety Tester: GPT 9804 The GPT 9804 is an electrical safety tester from GW INSTEK designed for controlled AC and DC withstand tests, as well as insulation and ground bond measurements. The device provides separate test functions for AC withstand, DC withstand, insulation resistance, and ground bond testing according to the specifications provided by the manufacturer. Features and Measurement Ranges AC withstand: output voltage range 0. 050