Chapter II
Portable digital multimeter
36
6. GENERAL SPECIFICATIONS
Adjustment
This multimeter incorporates a non-volatile memory containing the adjustment charac-
teristics for all measurement ranges. This enables the instrument to be re-adjusted via a
serial link without opening the instrument. It is supplied with a certificate of verification.
Safety According to IEC 1010
Environment
Indoor use
Altitude < 2000 m
Reference temperature 18 to 28°C
Rated range of use 0 to 50°C
Limit range of operation -10 to 60°C
Storage temperature range -40 to 70°C
Temperature coefficient max 0.1 x accuracy /°K
Relative humidity 0 to 80% from 0 to 40°C (70% max. for 5 MΩ/50 MΩ)
0 to 70% from 40 to 50°C
60% above 50°C
Casing and circuit self-extinguishing materials
Operating quality IEC 359
Electromagnetic compatibility NF EN 61326-1
Max. influence in electromagnetic fields :
3 % end of scale in V
DC
and A
DC
ranges
5 % end of scale in Ω and capacitance ranges
Power supply
9 V alkaline battery (6LF22) typical life of 500 hours in V
DC
mode
Mechanical
Dimensions 189 x 82 x 40 mm Weight 400 g
Packaging
Dimensions 230 x 155 x 65 mm Weight 500 g
Display
Liquid crystal display comprising :
- a 50 000-point display + sign (digits 14 mm high),
- a 34-bar analogue bargraph display,
- appropriate units for each type of measurement,
- triggered mode indicators (relative, ranging),
- battery discharged indicator.
Measurement rate
Digital display 2 measurements/s
Bargraph 20 measurements/s