Testo 176 H2 4-Channel Datalogger
The Testo 176 H2 is a four-channel humidity and temperature data logger with exceptional accuracy, high-capacity storage, and a durable IP65-rated housing. With up to 8 years battery life and secure data handling, it’s ideal for long-term monitoring in demanding environments.
Designed for precision and reliability, the Testo 176 H2 records both humidity and temperature through external probes, offering maximum flexibility in measurement placement. Its large internal memory stores up to 2 million readings, ensuring long-term data collection without frequent downloads. Data can be accessed via USB or SD card, and the unit can be configured with Testo’s ComSoft software, available in Basic (free) and advanced compliance-ready versions. Built with a robust metal housing and IP65 protection, the logger withstands dust, water jets, and tough industrial environments.
Key Features:
- Four external measurement channels (two humidity, two temperature)
- Rugged IP65 metal housing for harsh conditions
- Massive 2 million reading memory
- Long battery life – up to 8 years
- Wide operating temperature range: –20 °C to +70 °C
- USB and SD card interfaces for easy data transfer
- ComSoft software support, including CFR 21 Part 11 compliance
- Optional password protection for data security
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Part Number / SKU: 0572 1766
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Measurement Channels: 4 external channels (2× humidity, 2× temperature via NTC probes)
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Temperature Range: –20 °C to +70 °C
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Temperature Accuracy: ±0.2 °C (–20 °C to +70 °C), ±0.4 °C outside this range
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Temperature Resolution: 0.1 °C
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Humidity Range: 0 to 100 % RH (non-condensing) – accuracy depends on probe
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Humidity Resolution: 0.1 % RH
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Memory Capacity: 2 million readings
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Battery: 1× lithium battery (TL-5903) – up to 8 years life at 15-minute intervals, +25 °C
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Interfaces: Mini USB port; SD card slot for data transfer
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Measurement Rate: Configurable from 1 s to 24 h
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Operating Temperature: –20 °C to +70 °C
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Storage Temperature: –40 °C to +85 °C
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Housing: Rugged metal casing, IP65 dust and water protection
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Dimensions: 103 × 63 × 33 mm
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Weight: Approx. 430 g
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Compliance: EU Directive (2014/30/EU); CFR 21 Part 11 capable; password protection option
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Long-term monitoring of climate conditions in buildings and workplaces
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Documentation of storage temperature and humidity in food, pharmaceutical, and industrial environments
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Environmental monitoring during transport of sensitive or perishable goods
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Research and development testing requiring high-accuracy climate logging
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