Sensor |
Platinum Resistance |
Electrostatic Capacitance |
Measurement Channels |
Temperature 1ch |
Humidity 1ch |
Measurement Units |
°C, °F |
%RH |
Measurement Range |
Internal Sensor |
- |
- |
External Sensor |
-30 to 80°C |
0 to 99%RH |
Accuracy |
±0.3°C
at 0 to 50°C
±0.5°C
at all other temperatures |
±2.5%RH
at 25°C, 10 to 85%RH
±4.0%RH
at 25°C, 0 to 10%RH or 85 to 99%RH
For temperatures other than 25 °C and between 0 °C and 80 °C, add ±0.1 %RH per degree difference from 25.
Humidity Hysteresis: ±1.5%RH or lower*1 |
Measurement Resolution |
0.1°C |
0.1%RH |
Responsiveness |
Response Time (90%): Approx. 7 min. |
Response Time (90%): Approx. 20 sec. |
LCD Display Items |
Measurements (fixed or alternating display), Battery Warning Mark, etc. |
Logging Capacity |
8,000 data sets (One data set consists of readings for all channels in that type of unit.) |
Recording Interval |
Select from 15 choices: 1, 2, 5, 10, 15, 20, 30 sec. or 1, 2, 5, 10, 15, 20, 30, 60 min. |
Recording Mode |
Endless (Overwrite oldest data when capacity is full) or One Time (Stop recording when capacity is full) |
Auto-upload Interval |
Select from 15 choices: OFF (No auto-upload), 1, 2, 5, 10, 15, 20, 30 min. or 1, 2, 3, 4, 6, 12, 24 hrs. |
Communication Interfaces |
Wireless LAN Communication
TR-7wf
|
Standard: IEEE 802.11b
Security*2: WEP (64bit/128bit), WPA-PSK(TKIP), WPA2-PSK(AES)
WPS 2.0: Push Button Configuration
Protocol: HTTP*3, DHCP, DNS |
Wired LAN Communication
TR-7nw
|
100BASE-TX/10BASE-T (RJ45 Connector)
Protocol: HTTP*3, DHCP, DNS |
USB Communication
TR-7wf/nw
|
USB 2.0 Mini-B connector |
Power |
AA Alkaline Battery × 2 (AA Ni-MH batteries may also be used), USB Bus Power (5V 200mA),
PoE IEEE 802.3af (TR-7nw only) |
Battery Life*4 |
With LAN communication: Approx. 10 days to 1.5 years *5
Without LAN communication: Approx. 1.5 years |
Dimensions |
H 58 mm × W 78 mm × D 26 mm |
Weight |
TR-7wf: Approx. 55 g
TR-7nw: Approx. 65 g |
Operating Environment |
Temperature: -10 to 60°C *6 Humidity: 90%RH or less (no condensation) |
Accessories*7 |
High Precision Temperature-Humidity Sensor (HHA-3151) × 1, AA Alkaline Battery (LR6) × 2, Registration Code Label, USB Mini-B Cable (US-15C), Manual Set (Warranty Included) |
software |
TR-7wf/nw for Windows, T&D Graph, T&D Thermo |
Compatible OS *8 |
PC Software
|
Microsoft Windows 8 32/64bit *9
Microsoft Windows 7 32/64bit
Microsoft Windows Vista 32 bit (SP1 or later) |
Mobile App
|
Android OS, iOS |
Display Languages *10 |
English |