General, mechanical charateristics
6,000- and 60,000-count digital multimeters
61
General characteristics
Environmental
conditions
Altitude <2000m
Reference range
23°C ±5°C
Specified range of use
-10°C to 55°C
Influence of temperature
see §. Influences
Relative humidity
0% to 80% from 0°C to 31°C
0% to 70% from 40°C to 55°C
limited to 70% for the 6 and 60
Ω
ranges
Dust- and water-tightness
IP67 (in the event of immersion, under 1m of
water for 30 mn, it is necessary to let the
water flow off or to let the unit dry before
putting it back into service).
Storage
range
-
20°C
to
70°C
Power supply
The multimeter is powered by primary or rechargeable batteries:
•
Batteries, 4x1.5V nominal – LR6, Alkaline
Life in V
DC
:
MTX3290
:
≈
200h
MTX3291
:
≈
300h
•
Rechargeable batteries, 4x1.2V, A-A, Ni-MH LSD, 2400mAh
Life in V
DC
:
MTX3290
:
≈
140h
MTX3291
:
≈
210h
Display
The refresh rate of:
- the display unit is 200ms
- the bargraph is 100ms.
Security
According to NF EN 61010-1:
•
Insulation
class
2
•
Degree of pollution
2
•
Use indoor
•
Altitude
<2000m
Measurement category of the "measurements"
MTX3290
: 600V CAT III and 300V CAT IV with respect to earth
MTX3291
: 1000V CAT III and 600V CAT IV with respect to earth
CEM
This instrument is designed in conformity with the EMC standards in force and
its compatibility has been tested in accordance with the following standards:
•
Emissions (cl. A) and Immunity
NF EN 61326-1
Mechanical characteristics
Housing
•
Dimensions
196 x 90 x 47.1mm
•
Mass
570g
•
Materials
Polycarbonate (PC)
•
Dust- and water-tightness
IP67, according to NF EN 60529
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