Electrical Specifications; Safety - Tenmars TM-87 User Manual

6.1.1. Electrical specifications

Conversion:
Measuring rate:
Temperature coefficient:
NMRR Normal Mode Rejection Ratio:
CMRR Common Mode Rejection Ratio: >100dB from DC up to 60Hz on DCV

6.1.2. Safety

The instrument complies to:
Insulation:
Pollution degree:
Overvoltage category:
Max height:
TRMS
1.5 times per second
0.15×(accuracy)/°C (<18°C and >28°C)
> 50dB for DC parameters and 50/60Hz
> 60dB from DC up to 60Hz on ACV
EN 61010-1
Class 2, Double insulation
2
CAT IV 600V, CAT III 1000V (V/Ω/µA)
2000m
22
TM-87/TM-88