Technical data
Measuring rate:
2 s to 24 h (freely selectable)
X
X
X
X
X
X
X
X
Memory capacity:
20,000 readings
X
55,000 readings
X
X
X
X
X
X
X
Alarm output:
Relay contact
1 A/42 V DC max.
30 W/30 VA max.
X
Protection class:
IP 65
X
X
X
IP 68
X
IP 42
X
Power supply:
Lithium battery
X
X
X
X
X
X
X
X
Housing:
Aluminium, anodized
X
X
X
X
X
X
X
X
Dimensions:
131 x 68 x 26 mm
X
X
X
X
X
131 x 68 x 72 mm
X
X
X
Max. ambient temperature:
-20 to +70 °C, no condensation
X
X
X
X
X
X
X
-35 to +70 °C
X
Max. storage temperature:
-40 to +85 °C
X
X
X
X
X
X
X
X
Software:
Testo
Comfort
Software
X
X
X
X
X
X
X
X
Warranty:
Instruments: 2 years
Probes: 1 year
X
X
X
X
X
X
X
X
* All accuracy data
plus ± 1 digit
** See probes data on pages 10 and 11
testostor
171 data logger series
9
Technical data
Temperature:
Measuring sensor:
Measuring range
NTC
X
X
X
X
X
X
X
-35 to +70 °C
X
-35 to +70 °C
X
X
X
(
internal
)
-10 to +50 °C
X
-50 to +120 °C
X
X
X
(
external
)
Type K (TE plug-in connection)
-200 to +1100 °C
X
Type T (TE plug-in connection)
-50 to +350 °C
X
Resolution:
0.1 °C
X
X
X
X
X
X
X
X
1 °C from +250 °C
X
Accuracy*:
in permissible ambient
temperature range
Instruments
± 0.4 °C (in the range < -35 °C)
X
X
X
± 0.2 °C (in the range -35 to +60 °C)
X
X
X
± 0.4 °C (in the range > +60 °C)
X
X
X
± 0.4 °C, ±0.2% of reading
(internal logger temp. ±0 to +40 °C)
X
±0.5 °C, ±0.2% of reading
(internal logger temp. +40 to +70 °C)
X
System accuracy with
internal sensors
± 0.5 °C (in the range < +40 °C)
X
X
X
X
X
X
± 0.6 °C (in the range > +40 °C)
X
X
X
X
X
X
Humidity:
Measurement sensor:
Capacitive humidity sensor
X
X
X
X
X
Measuring range
0 to 100 %RH
X
X
X
X
X
Resolution:
0.1 %RH
X
X
X
X
X
Accuracy*:
± 2 %RH (in the range 2 to 98 %RH)
**
X
X
**
± 3 %rF (in the range 2 to 98 %RH)
X
Temperature drift
at rated tempe22 °C
otherwise plus ± 0.03 %RH/°C
X
X
X
X
X
testostor
171 data logger series
8
testostor
type:
171-0
171-1 171-2 1722 171-3 171-4 171-6 171-8
testostor,
type:
171-0
171-1 171-2 1722 171-3 171-4 171-6 171-8