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 M
Ω
/50 M
Ω
)
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 d 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