Testo 174 H Data Logger Perfect for Temperature and Humidity Data Logging
The Testo 174 H is a compact Bluetooth-enabled data logger for temperature and humidity monitoring. It is suitable for applications where reliable environmental tracking, easy handling, and straightforward data access are important.
- Measures temperature and humidity
- Bluetooth Low Energy connectivity
- Compact handheld format
- Clear display with easy-to-read values
- Battery powered for long-term operation
Unique Selling Points
- Measures both temperature and relative humidity in one device
- Bluetooth communication for convenient data access
- Up to 1 year battery life at 15 minute measuring cycle and +25 °C
- Compact size for flexible placement
- 0.1 °C, 0.1 °F and 0.1% RH resolution
Testo 174 H Key Features:
- Monitor temperature and humidity with one compact logger
- Reduce manual checking with stored measurements
- Use in a wide environmental range from -20 to +70 °C
- Gain readable measurement values on the integrated display
- Support routine monitoring where simple, dependable logging is needed
How It Works
Measurement: The logger records temperature and humidity values over time. The display provides a quick visual check of the measured conditions.
Connectivity: Bluetooth Low Energy enables communication with compatible devices for logger access and data handling.
Power: The unit operates using 2 x 3V CR2032 lithium batteries.
Who This Product Is For
- Users needing compact temperature and humidity logging
- Teams monitoring storage and ambient conditions
- Operators who want Bluetooth-enabled access to logger data
- Applications where simple setup and dependable logging are priorities
What comes with the Testo 174 H?
- Testo 174 H or 174 H BT Data Logger (model dependent)
- Integrated display
- Bluetooth functionality
Technical Specifications
| Features | |
| Product | Testo 174 H (Bluetooth and non-Bluetooth versions) |
| Measured Parameters | Temperature and humidity |
| Temperature Measuring Range | -20 to +70 °C / -4 to +158 °F |
| Humidity Measuring Range | 0 to 100% RH |
| Temperature Resolution | 0.1 °C / 0.1 °F |
| Humidity Resolution | 0.1% RH |
| Temperature Accuracy | ± 0.5 °C (-20 to +70 °C) / ± 0.5 °F (-4 to +158 °F) |
| Humidity Accuracy | ± 3% RH (2% RH to 98% RH) at 25 °C; ± 0.03% RH/K ± 1 digit |
| Battery | 2 x 3V CR2032 lithium |
| Battery Life | 1 year at 15 minute measuring cycle and +25 °C |
| Bluetooth Range | Up to 30 m (98 ft) in free field |
| Radio Type | Bluetooth Low Energy (BLE) |
| RF Band | 2402 to 2480 MHz |
| Power Output | < 10 dBm |
| Dimensions | 60 x 38 x 19 mm / 2.4 x 1.5 x 0.7 in |
| Weight | 35 g / 1.2 oz |
| Protection Class | IP 20 |
Connectivity and Features
| Features | |
| Bluetooth Connectivity (Optional - See Product Dropdown) | ✓ |
| Temperature Measurement | ✓ |
| Humidity Measurement | ✓ |
| Display | ✓ |
| Battery Powered | ✓ |
| Compact Housing | ✓ |
Build Quality and Reliability
The Testo 174 H is built in a compact format that supports practical day-to-day use. Its measured operating range, specified accuracy values, and Bluetooth communication make it a dependable option for routine environmental monitoring.
Compliance and Standards
- Bluetooth Low Energy radio
- EU RED compliance declaration stated for Europe and EFTA
- Country approvals listed for multiple regions
- Bluetooth SIG listed design number Q305931
Why Choose This Product
- Combines temperature and humidity logging in one device
- Bluetooth access supports convenient operation
- Compact size makes placement easy
- Clear technical performance for everyday monitoring tasks
Testo 174 H Options:
| Features | | |
| Model | testo 174 H | testo 174 H BT |
| Product Number | 0572 1741 01 / 0572 1741 02 | 0572 1743 01 / 0572 1743 02 |
| Colour | White / Black | White / Black |
| Connection | USB-C | Bluetooth® |
| Temperature Measurement | ✓ | ✓ |
| Humidity Measurement | ✓ | ✓ |
| Memory Capacity | Up to 16,000 temperature and humidity measurements |
| PC Software | Testo Software ComSoft Basic and ComSoft Prof | Testo Smart App |
▶ Get more from your testo 174 H with the testo Smart App:
❓ Frequently Asked Questions (FAQ)
Q1: What does the Testo 174 H measure?
A: It measures temperature and relative humidity.
Q2: Does it support Bluetooth?
A: Yes, it uses Bluetooth Low Energy.
Q3: What is the temperature measuring range?
A: -20 to +70 °C / -4 to +158 °F.
Q4: What is the battery life?
A: Up to 1 year at a 15 minute measuring cycle and +25 °C.
Q5: What is the protection rating?
A: IP 20.
Testo 174 Range Overview
The Testo 174 range includes compact data loggers designed for monitoring environmental conditions, offering models that measure both temperature and humidity as well as models dedicated exclusively to temperature tracking.
