6.2.3 Other Commonly Used Insulation Resistance Testers
There are many types of insulation resistance testers commonly used on the production site,as shown in the two types shown in Fig 6-16 and 6-17.See the relevant technical manuals for their structure,function,inspection and usage.

Fig.6-16 Rapid Insulation Resistance Tester(https://www.daowen.com)

Fig.6-17 Digital Insulation Resistance Tester