Temperature/Humidity Sensor (External) |
THA-3151 |
Thermistor |
Polymer Resistance |
Measurement Channels |
Temperature 1cｈ |
Humidity 1ch |
Units of Measurement |
°C, °F |
%RH |
Measurement Range |
0 to 55 °C |
10 to 95 %RH |
Accuracy |
±0.5 °C |
±5 %RH (at 25 °C, 50 %RH) |
Measurement Resolution |
0.1 °C |
1 %RH |
Response Time (90%) |
Approx. 7 min. |
Illuminance/UV Sensor (External) |
ISA-3151 |
Measurement Channels |
Illuminance: 1ch |
UV intensity: 1ch |
Units of Measurement |
Illuminance: lx, Klx |
UV intensity: mW/cm2 |
Measurement Range |
Illuminance: 0 lx to 130 Klx |
UV Intensity: 0 to 30 mW/cm2 |
Units of Cumulative Measurement |
Cumulative Illuminance: lxh, Klxh, Mlxh |
Cumulative amount of UV Light: mW/cm2, W/cm2 |
Display Range of Cumulative |
Illuminance: 0 lxh to 90 Mlxh |
Measurement |
UV Intensity: 0 mW to 62 W/cm2h |
Accuracy |
Illuminance: 10 lx to 100 Klx：±5 % (at 25°C, 50 %RH) UV Intensity: 0.1 to 30 mW/cm2：±5 % (at 25°C, 50 %RH) (*2) |
Relative Spectral Response |
Illuminance: Approximated to the CIE standard response function V (λ ) |
UV Intensity: 260 to 400 nm |
Measurement Resolution |
Illuminance: Minimum of 0.01 lx |
UV Intensity: Minimum of 0.001 mW/cm2 |
Response Time (90%) |
3 sec. (at recording interval of 1 sec.) |
6 sec. (at other intervals) |
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) |
LCD Display Items |
Measurements, Battery Life Warning, etc. |
- Measurements: Illuminance / UV Intensity / Temperature / Humidity / Cumulative Illuminance / Cumulative amount of UV Light |
- Display Pattern: Alternating or Fixed display |
- Display Digits: Up to 4 digits |
Communication Interfaces |
USB Communication, Serial Communication (RS-232C) , Infrared Communication (IrPHY 1.2 low power) |
Communication Time |
Downloading time for one unit at full capacity |
- Via USB communication: approx. 45 sec. |
- Via infrared communication: approx. 60 to 80 sec. |
Power |
AA Alkaline Battery (LR6) x 1 |
Battery Life |
Approx. 6 months |
Dimensions |
H 55 mm x W 78 mm x D 18 mm |
Weight |
About 62 g (including battery, excluding sensor) |
Operating Environment |
Temperature: -10 to 60 °C Humidity: 90 %RH or less (no condensation) |
Accessories |
AA alkaline battery (LR6), USB Communication Cable (US-15C), Illuminance/UV Sensor (ISA-3151), Temperature/Humidity Sensor (THA-3151 or HHA-3151), Software (CD-ROM), User's Manual Set (Warranty Included) |
