Vayu
Temperature + humidity
SIM-based GSM logger for sites and vehicles without Wi-Fi.
- Range
- −30 to +70 °C · 0–100 %RH
Nakshatra – IoT Temperature Data Logger with Humidity
Nakshatra is an IoT temperature data logger with a humidity sensor, for rooms, stores and warehouses where both conditions matter. It measures −30 to +70 °C and 0–100 %RH, syncs readings over Wi-Fi to the cloud dashboard and sends an alert when temperature or humidity leaves its limits.
- Measures
- Temperature + RH
- Temperature range
- −30 to +70 °C
- Humidity range
- 0–100 %RH
- Sensor
- Internal
- Battery
- 3000 mAh
- Measures
- Temperature + RH
- Temperature range
- −30 to +70 °C
- Humidity range
- 0–100 %RH
- Sensor
- External probe
- Probe / cable
- 1 m external probe
- Battery
- 3000 mAh
- Measures
- Temperature + RH
- Temperature range
- −30 to +70 °C
- Humidity range
- 0–100 %RH
- Sensor
- Internal
- Battery
- 7000 + 7000 mAh
- Measures
- Temperature + RH
- Temperature range
- −30 to +70 °C
- Humidity range
- 0–100 %RH
- Sensor
- External probe
- Probe / cable
- 1 m external probe
- Battery
- 7000 + 7000 mAh
Showing Nakshatra
The name
Why We Call It Nakshatra
The Nakshatras are the fixed celestial reference points used for observation, navigation and measurement: a constant reference for environmental conditions.
Key features
Nakshatra: IoT Temperature Data Logger Features
Best for: Rooms and stores where both temperature and humidity matter.
- Temperature and humidity from one single-channel logger
- Internal sensor, or an external sensor on a 1 m cable (X models)
- Pro models carry a high-capacity 7000 + 7000 mAh battery
- ±0.5 °C and ±2 %RH accuracy, with 0.1 °C and 0.1 %RH resolution
- Stores up to 1,00,000 records, with offline download via PC software
Specifications
Nakshatra Specifications
Each variant side by side, followed by the specifications shared by every Prithvi logger.
Swipe sideways to see every variant.
| Specification | Nakshatra | Nakshatra X | Nakshatra Pro | Nakshatra Pro X |
|---|---|---|---|---|
| Measures | Temperature + RH | Temperature + RH | Temperature + RH | Temperature + RH |
| Temperature range | −30 to +70 °C | −30 to +70 °C | −30 to +70 °C | −30 to +70 °C |
| Humidity range | 0–100 %RH | 0–100 %RH | 0–100 %RH | 0–100 %RH |
| Sensor | Internal | External probe | Internal | External probe |
| Probe / cable | — | 1 m external probe | — | 1 m external probe |
| Battery | 3000 mAh | 3000 mAh | 7000 + 7000 mAh | 7000 + 7000 mAh |
| Common to all variants | ||||
| Accuracy | ±0.5 °C (±2 %RH on RH models) | |||
| Resolution | 0.1 °C (0.1 %RH) | |||
| Storage | Up to 1,00,000 records | |||
| Logging interval | 1–60 min (configurable) | |||
| Cloud sync interval | 1–60 min (configurable) | |||
| Battery life | About 3 months at a 10-minute logging interval | |||
| Charging | Universal USB Type-C; rechargeable Li-ion battery | |||
| Connectivity | Wi-Fi, plus offline data download via PC software. GSM and LoRa versions available on request. | |||
Loggers can be calibrated by our parent lab through our Calibration service.
Applications
Where Nakshatra Is Used
Industries where we recommend this series, and what it typically monitors there.
Pharmaceutical
- Medicine storage rooms
- Drug warehouses
- Stability areas
Vaccine & Cold Chain
- Vaccine refrigerators
- Cold rooms
- Reefer trucks and containers
- Last-mile delivery
Hospitals & Blood Banks
- Blood banks
- Pharmacies
- Medicine stores
- Laboratories
Food & Beverage
- Cold storage
- Processing plants
- Restaurants and cloud kitchens
Data Centres & Server Rooms
- Server room temperature and humidity
- Overheating prevention
- Network and UPS rooms
Electronics Manufacturing
- Component storage
- Clean rooms
- Semiconductor facilities
Textile
- Yarn and fabric storage
- Humidity-sensitive production areas
- Finished-goods warehouses
Monitoring
Cloud Monitoring Dashboard & Mobile Alerts
Every Nakshatra works with the monitoring dashboard, so readings, alerts and reports are in one place.
- Real-time alerts via email, SMS, mobile app and dashboard
- Multi-level escalation (Level 1 → 2 → 3) if an alert isn't acknowledged
- Alert acknowledgement with root-cause and corrective-action notes
- Role-based user access and a complete audit trail (supports 21 CFR Part 11, GMP and GDP compliance)
- Location hierarchy for multi-site monitoring (organisation → site → room → device)
- Reports as graph, table or both; export to PDF, Excel and CSV
- Calibration and mapping reports stored against each device and room, ready for audits
- Substitute device while a logger is away for calibration, with its data merged back so there are no gaps
- Consignment (in-transit) monitoring with journey reports
- Door-open monitoring and hooter alarms
Accessories
Accessories
Accessory compatibility is confirmed by our team when we prepare your quote.
External Hooter with Door Sensor
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.
Charging Dock
Charges replaceable logger batteries so a charged spare is always ready, minimising downtime.
FAQ
Nakshatra Questions
Answers to what buyers ask most about this series.
When should I choose Nakshatra X instead of Nakshatra?
Nakshatra X has its sensor on a 1 m cable, so the sensor can sit inside a chamber or cabinet while the logger stays outside. Nakshatra has the sensor built in.
How is Nakshatra different from Setu?
Nakshatra measures humidity as well as temperature. Setu measures temperature only.
What does Pro add on Nakshatra?
A high-capacity 7000 + 7000 mAh battery in place of the 3000 mAh battery. Measurement range and accuracy stay the same.
How accurate is the humidity reading?
±2 %RH, with a resolution of 0.1 %RH, across 0–100 %RH.
Is Nakshatra an IoT temperature data logger, and does it need Wi-Fi?
Yes. Nakshatra syncs readings over Wi-Fi to the cloud dashboard and alerts your team by email, SMS and app. If the connection drops it keeps recording to its internal memory, and data can be downloaded offline through the PC software. Compare the full temperature and humidity data logger range.
Related
Compare with Other Series
- 1 channelGSM
- 2 channels
Rajmudra
2 × temperature, or 2 × temperature + humidity (Pro)
Two-channel WiFi logger for temperature, or temperature and humidity, at two points.
- Range
- −100 to +200 °C · Pro: −30 to +70 °C, 0–100 %RH
- 4 channels
Dhruva
4 × temperature, or 4 × temperature + humidity (Pro)
Four-channel WiFi logger for multi-point temperature or temperature and humidity.
- Range
- −100 to +200 °C · Pro: −30 to +70 °C, 0–100 %RH
Get Solution
Ask About Nakshatra
Tell us where it will be used and how many you need. We'll confirm the right variant and send you a clear, itemised quote.