Attributes

Brand	-
Category	Machinery & Equipment / Thermo-hygrometers
Origin	-
Brand	Elitech
Model Number	RC-4HC-Probe
Measurement Range	-40°C to +85°C / 0% to 100% RH
Accuracy	±0.3°C / ±2% RH
Connectivity	Wi-Fi 2.4GHz with External Antenna
Power Source	Replaceable Lithium Battery (3.6V)
Battery Life	Up to 2 years (depending on upload interval)
Probe Cable Length	2 meters (standard), extendable up to 10m
Data Storage Capacity	32,000 readings locally
Application	Cold Chain, Refrigeration, Hospitals, Warehouses

6 reviews

Anonymous

Mar 27, 2026

Rating: 5/5

Perfect for our pharmacy cold storage

We installed these units in our vaccine refrigerators last month. The external probe allows us to place the sensor exactly where needed inside the unit while keeping the display visible outside. The Wi-Fi connection is stable and alerts are instant.

Anonymous

Mar 24, 2026

Rating: 5/5

Excellent customer support

Had a question about the antenna placement for better signal in our walk-in freezer. The support team responded within hours with a helpful diagram. The device itself is robust and handles the low temperatures without issue.

Anonymous

Mar 19, 2026

Rating: 4/5

Reliable but setup took some time

The hardware quality is excellent and the readings match our calibrated reference thermometer perfectly. Setting up the Wi-Fi on the first unit was a bit tricky, but once configured, it works flawlessly. Great value for professional use.

Anonymous

Mar 19, 2026

Rating: 4/5

Good accuracy, wish the screen was bigger

Data logging is spot on and the export features are very useful for our weekly reports. My only minor complaint is that the LCD screen is a bit small for reading from a distance, but the mobile app compensates for this.

Anonymous

Mar 12, 2026

Rating: 5/5

Essential for cold chain compliance

Managing a fleet of delivery trucks requires precise monitoring. These loggers provide the detailed history we need for compliance audits. The battery life claim seems accurate so far after 6 months of use.

Anonymous

Mar 01, 2026

Rating: 5/5

Highly recommended for labs

We use these in our biological sample storage. The ability to set custom high/low limits and receive email notifications gives us peace of mind overnight. The build quality feels very durable.

5 FAQ

Q: Is the data stored locally if the Wi-Fi goes down?

A: Absolutely. The device has internal memory capable of storing 32,000 readings. It will continue to log data locally and automatically upload the backlog once the Wi-Fi connection is restored.

Q: Does this device work with 5GHz Wi-Fi networks?

A: No, this model currently supports only 2.4GHz Wi-Fi networks. Most industrial and commercial routers broadcast on this frequency, but please check your network settings during installation.

Q: Can the probe cable be extended beyond the standard 2 meters?

A: Yes, the probe cable can be extended using compatible extension cables up to 10 meters total length without significant loss of accuracy. Please ensure connections are sealed if used in humid environments.

Q: Can I get a calibration certificate with this purchase?

A: Each unit comes with a factory calibration report. If you require an ISO-accredited third-party calibration certificate, please select the 'Add Calibration' option at checkout or contact our sales team before ordering.

Q: What type of battery does this use and is it user-replaceable?

A: It uses a standard 3.6V Lithium Thionyl Chloride battery (ER14505 size). Yes, it is user-replaceable via a simple screw-down compartment, allowing you to extend the device's lifespan indefinitely.

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