The second item is an analogue insulation and continuity meter. A specification can be seen here;
https://testequipment.center/Product...ions-4B2AD.pdf
It has a wide range of insulation test voltages and a maximum value of 100Gohms.
The maximum continuity test current is 60mA at 300mV against 200mA at 4 - 24V required by BS61557-4 for electrical testing to BS7671.
PMM