Chauvin Arnoux CA 1246 Thermo-Hygrometer
Professional, portable and powerful - the Thermo Hygrometer built for engineers, facilities managers and environmental specialists who demand precision without compromise.
The CA 1246 is a high-performance Thermo Hygrometer designed to measure relative humidity, ambient temperature and dew point with exceptional reliability. Whether you are monitoring indoor air quality, validating HVAC systems or tracking environmental conditions over time, the CA1246 delivers dependable results in every environment.
Precision Environmental Measurement - Anywhere
The CA 1246 Thermo Hygrometer combines advanced sensing technology with intelligent data logging, giving you complete control over your measurements.
The CA1246 is engineered for field and fixed applications, offering professional-grade accuracy in a compact, magnetised housing.
3-in-1 Measurement Capability
With this professional Thermo Hygrometer, you can measure:
- Relative Humidity: 3.0 to 98.0 %RH
- Ambient Temperature: -10.0 to +60.0°C
- Dew Point: -20.0 to +60.0°Ctd
The CA 1246 uses a capacitive humidity sensor and semiconductor temperature sensor for reliable, stable readings. The clear backlit display ensures your Thermo Hygrometer readings remain visible in low-light or plant room environments.
Built for the Field
The CA1246 Thermo Hygrometer is designed for real-world use:
- IP54-rated casing for dust and splash resistance
- Shockproof protective sheath available
- Integrated magnet for quick mounting
- Wall-mount and suspension slot options
- Lightweight (260 g with batteries)
- Compact dimensions: 187 x 72 x 32 mm
Whether used as a handheld Thermo Hygrometer or mounted for longer-term monitoring, the CA 1246 adapts to your workflow.
Intelligent Data Logging – Up to 1 Million Points
The CA 1246 Thermo Hygrometer is more than a measuring device — it’s a powerful environmental data logger.
- Record over 1 million data points
- Manual or programmable recording
- Sampling intervals from 1 second to 1 hour
- Alarm-triggered recording capability
- Configurable thresholds for temperature and humidity
With the CA1246, you can programme recording sessions with start and end dates, making this Thermo Hygrometer ideal for compliance testing, validation and long-term environmental studies.
USB & Bluetooth Connectivity
The CA 1246 Thermo Hygrometer communicates via:
- USB connection to PC (Data Logger Transfer software)
- Bluetooth 4.2 Low Energy for smartphone or tablet use
Using Chauvin Arnoux’s Data Logger Transfer software or the CA Environmental Loggers app, the CA1246 allows you to:
- Configure alarms
- Set recording intervals
- Generate automatic reports
- Export data to Excel or Word
- Monitor real-time readings
This transforms your Thermo Hygrometer into a fully integrated environmental management tool.
Professional Measurement Functions
The CA 1246 Thermo Hygrometer includes:
- Min / Max monitoring
- Data Hold function
- °C / °F selectable units
- Backlit display
- Configurable auto power-off
- Long battery life (up to 3 years recording at 15-minute intervals)
Designed in accordance with IEC/EN 61010-2-030 safety standards, the CA1246 provides both performance and peace of mind.
Technical Highlights
Technical Highlights
| Features | |
| Measurement Capability | ✓ Relative Humidity (3–98 %RH) |
| | ✓ Temperature (-10 to +60°C) |
| | ✓ Dew Point (-20 to +60°Ctd) |
| Resolution | 0.1 %RH / 0.1°C |
| Accuracy | ±(2%RH ±1 ct) (10–90%RH) |
| | ±(0.5°C ±1 ct) (10–40°C) |
| Data Logging | ✓ Over 1 million measurement points |
| Connectivity | ✓ USB |
| | ✓ Bluetooth 4.2 Low Energy |
| Display | ✓ Backlit LCD |
| Protection Rating | IP54 |
| Long battery life (up to 3 years recording at 15-minute intervals) |
*See full specifications in official documentation.
What comes with the Chauvin Arnoux CA 1246?
The CA 1246 Thermo Hygrometer is supplied with:
- Chauvin Arnoux CA 1246 Thermo Hygrometer
- 3 x AA / LR6 alkaline batteries
- USB–micro USB cable
- Multilingual quick start guide
- Test report
- Carrying case
Everything you need to begin using your Thermo Hygrometer immediately.
Why Choose the CA 1246?
The CA 1246 stands out because it combines:
✔ Laboratory-grade accuracy
✔ Rugged field-ready design
✔ High-capacity data logging
✔ Bluetooth and USB communication
✔ Long battery life
✔ Trusted Chauvin Arnoux engineering
If you require a dependable, professional Thermo Hygrometer that performs in demanding environments, the CA1246 is the instrument you can rely on.
❓ Frequently Asked Questions (FAQ)
Q1: What does the CA 1246 measure?
A. The CA 1246 Thermo Hygrometer measures relative humidity, ambient temperature and dew point.
Q2: Can the CA1246 record data automatically?
A. Yes. The CA1246 Thermo Hygrometer can be programmed to record automatically with configurable sampling intervals and alarm-triggered logging.
Q3: How many readings can the CA 1246 store?
A. The CA 1246 can store over 1 million measurement points.
Q4: Does the Thermo Hygrometer connect to a smartphone?
A. Yes. The CA 1246 Thermo Hygrometer supports Bluetooth 4.2 Low Energy connectivity for use with the CA Environmental Loggers mobile app.
Q5: Is the CA1246 suitable for industrial environments?
A. Absolutely. With its IP54 casing and robust design, the CA1246 Thermo Hygrometer is ideal for HVAC, facilities management, laboratories and environmental monitoring applications.
Order the Chauvin Arnoux CA 1246 Today
Take control of your environmental monitoring with the CA 1246 Thermo Hygrometer - accurate, intelligent and built to perform.
Contact us today for pricing, availability and technical support.