TESTO 770 - 9 Technical data; 9.1 General technical data

9 Technical data
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9 Technical data
9.1 General technical data
Feature
Values
Ambient operang
temperature
-10 °C to +50 °C
Ambient storage
temperature
-15 °C to +60 °C
Humidity
0 to 80 % RH
Operang altude
Up to 2000 m
Intended use
Indoor use
Measurement category
CAT IV 600 V / CAT III 1000 V
Level of contaminaon
2
Protecon class
IP 40
Power supply
3 x 1.5 V (AAA / IEC LR03)
Baery status display
Ba. icon appears from <3.9 V
Display
3 3/4 digit, LC display
Display range
testo 770-1/-2: 4000 digits
testo 770-3: 6000 digits
Polarity indicator
automac
Overload protecon for µA
current measurement
high-impedance (testo 770-2/-3 only)
Inrush current (INRUSH)
100 ms
Dimensions (H x W x D)
249 x 96 x 44 mm
Weight
378 g
Safety standards
WEEE 2012/16/EU, EMC 2014/30/EU, EN 61326-1,
Low-Voltage Direcve 2014/35/EU with the
standard EN 61010-2-032, insulaon complies with
category II IEC 536 / DIN EN 61140