
Setu
Temperature
Single-channel WiFi temperature logger with an internal sensor or external probe.
- Range
- −30 to +70 °C · −100 to +200 °C with external probe
Products
Whether you need a temperature and humidity data logger for one fridge or a sixteen-point warehouse, start with the series below. Prithvi temperature data loggers record continuously, sync over Wi-Fi or GSM and alert your team the moment a limit is crossed. Share your requirement and we'll send a clear, itemised quote.




Seven series, from one channel to sixteen. Filter by what you need to measure.

Temperature
Single-channel WiFi temperature logger with an internal sensor or external probe.

Temperature + humidity
Single-channel WiFi temperature and humidity logger, internal or external sensor.

2 × temperature, or 2 × temperature + humidity (Pro)
Two-channel WiFi logger for temperature, or temperature and humidity, at two points.

4 × temperature, or 4 × temperature + humidity (Pro)
Four-channel WiFi logger for multi-point temperature or temperature and humidity.

10 × temperature, or 10 × temperature + humidity (Pro)
Ten-channel WiFi logger for warehouses and multi-zone facilities.

16 × temperature, or 16 × temperature + humidity (Pro)
Sixteen-channel WiFi logger for large facilities.

Temperature + humidity
SIM-based GSM logger for sites and vehicles without Wi-Fi.
Compare
Channels, what each series measures, range and connectivity.
Swipe sideways to see every column.
| Series | Channels | Measures | Range | Connectivity |
|---|---|---|---|---|
| Setu | 1 | Temperature | −30 to +70 °C · −100 to +200 °C with external probe | Wi-Fi |
| Nakshatra | 1 | Temperature + humidity | −30 to +70 °C · 0–100 %RH | Wi-Fi |
| Rajmudra | 2 | 2 × temperature, or 2 × temperature + humidity (Pro) | −100 to +200 °C · Pro: −30 to +70 °C, 0–100 %RH | Wi-Fi |
| Dhruva | 4 | 4 × temperature, or 4 × temperature + humidity (Pro) | −100 to +200 °C · Pro: −30 to +70 °C, 0–100 %RH | Wi-Fi |
| Veer | 10 | 10 × temperature, or 10 × temperature + humidity (Pro) | −100 to +200 °C · Pro: −30 to +70 °C, 0–100 %RH | Wi-Fi |
| Virat | 16 | 16 × temperature, or 16 × temperature + humidity (Pro) | −100 to +200 °C · Pro: −30 to +70 °C, 0–100 %RH | Wi-Fi |
| Vayu | 1 | Temperature + humidity | −30 to +70 °C · 0–100 %RH | GSM (SIM) |
GSM and LoRa versions of the Wi-Fi models are available on request.
Connectivity
The right choice depends on where your loggers will be installed.
For sites with Wi-Fi.
SIM-based. Works anywhere with mobile coverage, for remote sites and vehicles.
Long-range, low-power radio covering several km. Reliable in large warehouses and obstructed areas; one gateway serves many devices.
GSM versions are available. Contact us to confirm network compatibility for your country.
Accessories
Audible alarms, door monitoring and spare-battery charging for Prithvi loggers.
Wi-Fi hooter giving instant audible alarms on any excursion. Supports up to 4 door sensors, with an alarm if a door stays open beyond the set time. One hooter can serve multiple loggers. Cable length configurable. 12 V DC adapter, 12 V external hooter. Logs door open/close and excursion events.
Charges replaceable logger batteries so a charged spare is always ready, minimising downtime.
Start from your industry, or ask about calibration and mapping for the loggers you choose.
See what pharma, cold chain, food and other sectors use.
Calibration through our parent lab, VEGA Calibrations.
Find the right sensor positions before you install.
Share your rooms, freezers or vehicles and we'll recommend the right series and send you a clear, itemised quote.