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
Rajmudra – 2-Channel WiFi Logger for Validation Studies
Rajmudra is a dual channel temperature data logger that records two points at once over Wi-Fi. Use it for qualification, validation and comparative studies, or wherever two locations need to be monitored from one device.
- Measures
- 2 × temperature
- Temperature range
- −100 to +200 °C
- Sensor
- External probe
- Probe / cable
- 3 m included, extendable to 50 m
- Battery
- 7000 + 7000 mAh
- Measures
- 2 × temperature + RH
- Temperature range
- −30 to +70 °C
- Humidity range
- 0–100 %RH
- Sensor
- External probe
- Probe / cable
- 3 m included, extendable to 10 m
- Battery
- 7000 + 7000 mAh
Showing Rajmudra
The name
Why We Call It Rajmudra
The Rajmudra was the royal seal of Chhatrapati Shivaji Maharaj, standing for authenticity, authority and trust: trusted environmental evidence for qualification, validation and comparative studies.
Key features
Rajmudra: Dual Channel Temperature Data Logger Features
Best for: Qualification, validation and comparative studies across two points.
- Two measurement channels in one Wi-Fi logger
- Rajmudra: 2 temperature sensors, −100 to +200 °C, 3 m cable included and extendable to 50 m
- Rajmudra Pro: 2 temperature + humidity sensors, 3 m cable included and extendable to 10 m
- High-capacity 7000 + 7000 mAh battery on both models
- ±0.5 °C accuracy (±2 %RH on Pro)
Specifications
Rajmudra Specifications
Each variant side by side, followed by the specifications shared by every Prithvi logger.
Swipe sideways to see every variant.
| Specification | Rajmudra | Rajmudra Pro |
|---|---|---|
| Measures | 2 × temperature | 2 × temperature + RH |
| Temperature range | −100 to +200 °C | −30 to +70 °C |
| Humidity range | — | 0–100 %RH |
| Sensor | External probe | External probe |
| Probe / cable | 3 m included, extendable to 50 m | 3 m included, extendable to 10 m |
| Battery | 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 Rajmudra Is Used
Industries where we recommend this series, and what it typically monitors there.
Pharmaceutical
- Medicine storage rooms
- Drug warehouses
- Stability areas
Research Laboratories
- Biological sample storage
- Environmental testing
- R&D labs
Monitoring
Cloud Monitoring Dashboard & Mobile Alerts
Every Rajmudra 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
Rajmudra Questions
Answers to what buyers ask most about this series.
What is the difference between Rajmudra and Rajmudra Pro?
Rajmudra has two temperature sensors covering −100 to +200 °C. Rajmudra Pro has two temperature + humidity sensors covering −30 to +70 °C and 0–100 %RH.
How far can the sensors be from the logger?
A 3 m cable is included. It can be extended to 50 m on Rajmudra and to 10 m on Rajmudra Pro.
What is a two-channel logger typically used for?
Qualification, validation and comparative studies, where two points are recorded side by side, and any space that needs two monitoring positions from one device.
Related
Compare with Other Series
- 4 channels
- 10 channels
Veer
10 × temperature, or 10 × temperature + humidity (Pro)
Ten-channel WiFi logger for warehouses and multi-zone facilities.
- Range
- −100 to +200 °C · Pro: −30 to +70 °C, 0–100 %RH
- 16 channels
Virat
16 × temperature, or 16 × temperature + humidity (Pro)
Sixteen-channel WiFi logger for large facilities.
- Range
- −100 to +200 °C · Pro: −30 to +70 °C, 0–100 %RH
Get Solution
Ask About Rajmudra
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.