You searched for "test reference"
RS PRO
RS PRO RSDM3045X Bench Digital Multimeter, True RMS, 10A ac Max, 10A dc Max, 750V ac Max
Part: 188-2476
Bench multimeter with thermocouple capability for laboratory electrical testing.
RS PRO
RS PRO RSDM3045X Bench Digital Multimeter, True RMS, 10A ac Max, 10A dc Max, 750V ac Max - RS Calibrated
Part: 188-2708
Bench multimeter with thermocouple capability for comprehensive electrical testing.