27
If Installation Fails
If, during USB device driver installation, some trouble occurs that results
in a failure to install properly, the following display will appear in the
Device Manager.
If this occurs, please re-install from the
「
USB Device
」
properties.
◆
How to Re-install
1
.
In the Device Manager Window, right click on
「
USB Device
」
under
「
Other Devices
｣
to display the USB Device Properties.
2
.
In the USB Device Properties Window, click on the
[
Reinstall Driver
]
button to display the Installation Window. Follow the directions to
install.
[
Reinstall Driver
]
button
Specifications
28
Device Type
TR-71U
TR-72U
No. of Measurement
Channels
2 Channels
(
Select from ch1. internal
／
ch.2 external
)
2 Channels
(
1 Temperature
／
1 Humidity
)
Measurement Items
Temperature
Temperature
Humidity
Internal Temperature
Sensor
-
10 to 60
℃
-
10 to 60
℃
－
Attached Sensor
-
40 to 110
℃
0 to 50
℃
10 to 95
％
RH
Optional Temp. Sensor
-
60 to 155
℃ ※
1
-
40 to 110
℃
－
Measuring Accuracy
(
with Attached Sensor
)
Average
±
0.3
℃
(-
20 to 80
℃
)
Average
±
0.5
℃
(-
40 to
-
20
／
80 to 110
℃
)
±
5
％
RH
(
at 25
℃
50
％
RH
)
Measuring
／
Display Resolution
0.1
℃
1
％
RH
Sensor
Thermistor
Macromolecular
Humidity Sensor
Recording Interval
Select from 15 choices: 1
・
2
・
5
・
10
・
15
・
20
・
30 seconds
1
・
2
・
5
・
10
・
15
・
20
・
30
・
60 minutes
Recording Capacity
8000 readings
×
2 channels
Recording Modes
Endless Mode
／
One-time Mode
LCD display
(
Ch1 only, Ch2 only, alternating display
)
Measurements,
Recording Status, Battery Life Warning, Amount of Recorded Data,
Unit of Measurement
Power
AA alkaline battery
(
LR6
)
Battery Life
About 1 year
※
2
Data Backup
Activated when battery power is low or when switch is off
(
About 1 year
)
Interface
USB Communication Cable
(
option: RS-232C
)
USB Communication
Time
When downloading
(
1 unit of full data-about 8 seconds
)
Dimensions
／
Weight of Main Unit
H55
×
W78
×
D18
mm
／
about 62 g
(
including one AA battery
)
Working Environment
for Main Unit
Temperature:
-
10 to 60
℃
Humidity: under 90%RH
(
without condensation
)
Attached Sensors
TR
-
0106
×
2
TR
-
3100
×
1
Accessories included in
package
AA alkaline battery
(
LR6
) ×
1
／
User's Manual
(
Warranty
) ×
1
USB cable
×
1
(
US-15C ; length 1.5 m
)
Software set
×
1
／
User's Manual
(
Warranty
) ×
1
※
1:
There are two types of temperature sensor for TR-71U depending on measurement range. For
details see Optional Accessories
on p.29.
※
2:
Battery life depends upon the measuring environment, recording interval, and quality of the
battery being used.
