The country of origin for this product is the United States. To see the full specifications for this product, please see our product manual found under the documentation tab if available.
| Range |
-20° to 70°C (-4° to 158°F) |
| Accuracy |
±0.20°C from 0° to 50°C (±0.36°F from 32° to 122°F) |
| Resolution |
0.002°C at 25°C (0.004°F at 77°F) |
| Drift |
<0.1°C (0.18°F) per year |
| Range |
0% to 100% at -20° to 70°C (-4° to 158°F); exposure to conditions above 95% may temporarily increase the maximum RH sensor error by an additional 1% |
| Accuracy |
±2.5% from 10% to 90% (typical) to a maximum of ±3.5% including hysteresis at 25°C (77°F); below 10% and above 90% ±5% typical |
| Resolution |
0.01% |
| Drift |
<1% per year typical |
| Temperature |
11 minutes in air moving 1 m/s (2.2 mph) |
| RH |
30 seconds to 90% in airflow of 1 m/s (2.2 mph) |
| Range |
0 to 167,731 lux (15,582 lum/ft2) |
| Accuracy |
±10% typical for direct sunlight (see Light Measurement on page 4 for more details) |
| Measurement Range |
0 to 20.1 mA |
0 to 2.5 V |
0 to 5.0 V |
0 to 10 V |
0 to 24 V |
| Accuracy |
±0.001 mA ±0.2% of reading |
±0.1 mV ±0.1% of reading |
±0.2 mV ±0.3% of reading |
±0.4 mV ±0.3% of reading |
±1.0 mV ±0.3% of reading |
| Resolution |
0.3 µA |
40 µV |
80 µV |
160 µV |
384 µV |
| Operating Range |
-20° to 70°C (-4° to 158°F) |
| Radio Power |
1 mW (0 dBm) |
| Transmission Range |
Approximately 30.5 m (100 ft) line-of-sight |
| Wireless Data Standard |
Bluetooth Low Energy (Bluetooth Smart) |
| Logging Rate |
1 second to 18 hours |
| Logging Modes |
Fixed interval (normal, statistics) or burst |
| Memory Modes |
Wrap when full or stop when full |
| Start Modes |
Immediate, push button, date & time, or next interval |
| Stop Modes |
When memory full, push button, date & time, or after a set logging period |
| Restart Mode |
Push button |
| Time Accuracy |
±1 minute per month at 25°C (77°F) |
| Battery Type |
Two AAA 1.5 V alkaline batteries, user replaceable |
| Battery Life |
1 year, typical with logging interval of 1 minute and Bluetooth Always On enabled; 2 years, typical with logging interval of 1 minute and Bluetooth Always On disabled; and temperatures between 0° and 50°C (32° and 122°F). Faster logging intervals and statistics sampling intervals, burst logging, remaining connected with the app, excessive downloads, and paging may impact battery life. |
| Memory |
4 MB (1.9 million measurements, maximum) |
| Full Memory Download Time |
Approximately 4 to 15 minutes depending on the mobile device; may take longer the further the device is from the logger |
| LCD |
LCD is visible from 0° to 50°C (32° to 122°F); the LCD may react slowly or go blank in temperatures outside this range |
| Size |
11.28 x 5.41 x 2.92 cm (4.44 x 2.13 x 1.15 in.) |
| Weight |
123 g (4.34 oz) |
| Environmental Rating |
IP54 |
*Per RH sensor manufacturer data sheet
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MX1104 Datasheet