Descripción
Comet U3121
- Temperature and relative humidity measured by an external Digi/E series probe
- The dew-point temperature is calculated from the measured temperature and the relative humidity
- Depending on the connected Digi/E series probe
- High quality, accurate and stable sensors
Temperature and Humidity Data Logger for External Probe
Data logger is designed to record temperature and humidity from an external probe. The recording is performed in non-volatile electronic memory. The data can be transferred to a PC via USB-C. In case of exceeded set limits alarms are indicated by LED, LCD, and acoustically by built-in beeper.
The temperature and humidity probe is not included in delivery, the probe of the appropriate length and design you can choose in optional accessories. The device includes a Traceable calibration certificate with declared metrological traceability of etalons is based on requirements of EN ISO/IEC 17025 standard.
This model measures temperature, relative humidity, and dew point temperature using an outdoor COMET Digi/E series probe. Its response to the temperature or relative humidity jump is significantly faster than by models with internal sensor. This model is often utilized to monitor areas in which only the probe is installed, whereas the main unit is installed elsewhere. When monitoring remote areas, the maximum probe line wire must not exceed 15 m. The Digi/E series probes provide calibrated measurement values. Hence, they may be replaced without having to modify the device setup. The battery in the device cannot be charged.
Manufacturer Specs
| TEMPERATURE SENSOR | |
| Measuring range | according to the connected probe Digi/E |
| Accuracy | according to the connected probe Digi/E |
| Resolution | 0.1 °C |
| Response time t90 of temperature measurement (temperature step 20°C, air flow approximately 1m/s) | 8 min |
| HUMIDITY SENSOR | |
| Measuring range | according to the connected probe Digi/E |
| Accuracy | according to the connected probe Digi/E |
| Resolution | 0.1% RH |
| DEW POINT | |
| Measuring range | according to the connected probe Digi/E |
| Accuracy | according to the connected probe Digi/E |
| Resolution | 0.1 °C |
| GENERAL TECHNICAL DATA | |
| Operating temperature | -20 to +60 °C |
| Channels | 1x connectable temperature+humidity probe |
| Memory | 500,000 values in noncyclic logging mode; 350,000 values in cyclic record mode |
| Recording interval | adjustable from 1 s to 24 h |
| Display and alarm refresh | adjustable 1 s, 10 s, 1 min |
| Recording mode | noncyclic – data logging stops after filling the memory cyclic – after filling memory oldest data is overwritten by new |
| Real time clock | year, leap year, month, day, hour, minute, second |
| Power | Lithium battery 3.6 V, size AA |
| Protection class | IP67 |
| Dimensions | 61 x 93 x 32 mm |
| Weight (including batteries) | approx. 120 g |
| Warranty | 3 years |
Tech Specs
Dataloggers / Data Acquisition/Dataloggers for Environmental Variables/Temperature Dataloggers Templ |
|
|---|---|
| Max Temperature | 60 C |
| Min Temperature | -20 C (-4 F) |
| # Inputs/Channels | 1 |
| Software Included | Yes |
Test Equipment General Attributes |
|
| Warranty | 3 YEARS |
| IP Rating | IP67 |
| Product Weight | 0.26 LBS |
| Shipping Weight | 0.3 LBS |
| Battery Type | AA |
| Country of Origin | Czech Republic |
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