11. Technical data
29
11.2 testo 177-T2
Parameter ......................................................Temperature (°C/°F)
Sensor ....................................................................................NTC
Number of measuring channels ................................1 x internal
Measuring range ......................................................-40 to +70 °C
Accuracy ..................................................± 0.4 °C (-25 to +70 °C)
................................................................± 0.8 °C (-40 to -25,1 °C)
............................................................................................±1 digit
Resolution............................................................................0.1 °C
Measuring rate ................................1 s to 24 h (freely selectable)
Adaptation time t
90
(internal) ......Approx. 30 min. at wind speed 1m/s
Storage temperature................................................-40 to +85 °C
Operating temperature ............................................-40 to +70 °C
Display ..........................................................................LCD, 1 line
Operating temperature/Display ..............................-30 to +65 °C
Memory capacity ................................................48,000 readings
Protection class ....................................................................IP 68
Housing ..........................................................................ABS/TPE
Dimensions in mm (lxwxh) ....................................103 x 64 x 33
Weight ....................................................................................122g
Battery ....................................................................Lithium (1 AA)
Battery life............................................................Typical: 5 years*
....(Measuring rate: 15 Min., Operating temperature: -10 to +50°C,
......................................Display: On, Status led (green LED): Off)
* See Chapter 11.6 Battery life, P. 33