| Measurement Items | Temperature | Humidity |
|---|---|---|
| Number of Measurement Channels |
2 Ch (1 Temperature / 1 Humidity) | |
| Measurement Range | -30 to 80°C | 0 to 99%RH |
| Measuring Accuracy(*1) | ±0.3°C (10 to 40°C) ±0.5°C (at all other temperatures) |
±2.5%RH (at 25°C and 10% to 85%RH) |
| ±4.0%RH (at 25°C and 0% to 10%RH or 85% to 99%RH) |
||
| Add ±0.1%RH/°C (When at other than 25°C, add to the accuracy noted above) |
||
| Humidity Hysteresis | - | ±1.5%RH or lower(*2) |
| Measurement / Display Resolution |
0.1°C | 0.1%RH |
| Sensor | A Platinum Resistance Sensor | Electrostatic Capacitance Type |
| Recording Interval | Select from 15 choices: 1, 2, 5, 10, 15, 20, 30 sec. / 1, 2, 5, 10, 15, 20, 30, 60 min. | |
| Logging Capacity(*3) | 8,000 data sets | |
| Recording Modes | Endless Mode (Overwrite oldest data when capacity is full) One Time Mode (Stop recording when capacity is full) |
|
| LCD Displayed Items | Measurements (Ch.1 only, Ch.2 only, alternating display) / Measurement and Recording Status / Battery Life Warning / Amount of Recorded Data / Unit of Measurement | |
| Power | 1 AA Alkaline Battery (LR6) | |
| Battery Life(*4) | About 10 months | |
| Interface | USB Communication, Serial (RS-232C) Communication(*5) | |
| USB Communication Time |
When downloading 1 Unit at full logging capacity: about 8 sec. | |
| Dimensions / Weight of TR-77Ui Unit |
H55 x W78 x D18 mm / about 62 g (including 1 AA battery) | |
| Operating Environment | Temperature: -10 to +60°C / Humidity: under 90%RH (no condensation) | |
| Attached Sensor | HHA-3151 x 1 | |
| Accessories Included in Package |
AA alkaline battery LR6 x 1 USB Communication Cable x 1 US-15C; length 1.5m Software (CD-ROM) / Hardware User's Manual (Warranty) / Software User's Manual |
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