SEFRAM MW 9091 Manuel D'utilisation page 45

Specifications
General Specifications
Maximum voltage applied to any terminal :
1000 V ac rms or dc.
Display : 10000 counts.
Polarity Indication :
Automatic, positive implied, negative indicated.
Overrange Indication : OL
Batteries Life : ALKALINE 80 hours.
Insulation test : Tester can perform at least 600 insulation tests
with new alkaline batteries at room temperature.
These are standard tests of 1 MΩ at 1000 V with a duty cycle of
5 seconds on and 25 seconds off.
Low Batteries Indication : " " is displayed when the batteries
voltage drops below operating voltage.
Low battery voltage : Approx. 4.8V
Auto Power Off : Approx 20 minutes.
Operating Ambient : Non-condensing ≦10°C,
11°C ~ 30°C (≦80% RH),
30°C ~ 40°C (≦75% RH),
40°C ~ 50°C (≦45%RH)
Storage Temperature :
-20°C to 60°C , 0 to 80% R.H. (batteries not fitted)
Temperature Coefficient :
Add 0.15 x (Spec.Accy) / °C, < 18°C or > 28°C .
Measure : Samples 3 times per second normal.
Altitude : 6561.7 ft (2000m)
Safety : Complies with EN61010-1, UL61010-1,IEC 61010-1,
CAT.IV. 600V, CAT.Ⅲ. 1000V
CAT Application field
The circuits not connected to mains.
Ⅰ
The circuits directly connected to Low-voltage
Ⅱ
installation.
The building installation.
Ⅲ
The source of the Low-voltage installation.
Ⅳ
Compliance to EN 61557 : IEC61557-1, IEC61557-2,
Weight : (630g) including battery.
Dimensions (W x H x D) :
95mm x 207mm x 52mm with holster.
Accessories : Battery (installed), Test leads and user manual.
Power Requirements : 1.5V x 4 IEC LR6 or AA size.
Pollution degree : 2
IEC61557-4, IEC61557-10
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