Technical Data; General Technical Data - TESTO 770 Instruction Manual

> Wipe the instrument with a damp cloth and a small amount of mild
household detergent.
Never use any harsh cleaning agents or solvents to clean the instrument!
After being cleaned, the instrument must not be used until it has completely
dried.

9 Technical data

9.1. General technical data

Feature
Ambient operating
temperature
Ambient storage
temperature
Humidity
Operating altitude
Measurement category CAT IV / 600 V
Level of contamination 2
Protection class
Power supply
Battery status display
Display
Display range
Polarity indicator
Overload protection for
µA current
measurement
Dimensions (H x W x
D)
Weight
Safety standards
Warranty
Values
0 °C to 50 °C
-10 °C to 60 °C
0 to 80% RH
Up to 2000 m
IP 40
3 x 1.5 V (AAA / IEC LR03)
Batt. icon appears from <3.9 V
3 3/4 digit, LC display
testo 770-1/-2: 4000 digits
testo 770-3: 6000 digits
automatic
high-impedance (testo 770-2/-3 only)
Approx. 250 x 95 x 40 mm
Approx. 450 g
WEEE 2012/16/EU, EMC 2014/30/EU, EN 61326-
1, Low-Voltage Directive 2014/35/EU with the
standard EN 61010-2-032, insulation complies with
category II IEC 536 / DIN EN 61140
Duration: 2 years
9 Technical data
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