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testo 164 H1 - Mini online data logger with integrated temperature and humidity sensor

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The testo 164 H1 is a compact and efficient mini online data logger designed for continuous monitoring of temperature and humidity. Equipped with integrated sensors, it ensures precise measurements, transmitting data wirelessly to the testo 164 Gateway. In the event of threshold violations, users receive real-time alerts via push notifications, emails, or SMS, facilitating prompt corrective actions. The device seamlessly integrates with the testo Saveris Cloud, allowing for automatic data documentation and remote access to measurements. Its compact design makes it suitable for various applications, including pharmaceuticals, food safety, and logistics.​
  • Integrated sensors – Monitors temperature and humidity with built-in precision sensors.
  • Wireless data transmission – Sends measurements to the testo 164 Gateway via proprietary wireless connection.
  • Real-time alerts – Immediate notifications via push, email, or SMS upon threshold breaches.
  • Cloud integration – Automatic data documentation in the testo Saveris Cloud for easy access and analysis.
  • Compact design – Small and unobtrusive, ideal for space-constrained environments.
The testo 164 H1 serves as a reliable solution for organisations requiring meticulous environmental monitoring. Its integrated temperature and humidity sensors provide accurate readings, making it suitable for various applications, including food storage, pharmaceuticals, and environmental monitoring.​
With wireless data transmission, the device effortlessly sends measurements to the testo 164 Gateway, facilitating seamless data collection without the need for manual intervention. The testo Saveris Cloud integration allows users to access and analyse measurements remotely via smartphones, tablets, or PCs.
In scenarios where environmental conditions exceed predefined thresholds, the testo 164 H1 delivers real-time alerts through multiple channels, including push notifications, emails, and SMS, enabling swift response to potential issues. Its compact and unobtrusive design ensures it can be deployed in space-constrained environments without disruption.​
The testo 164 H1 integrates seamlessly into the testo 160 data logger system, offering scalability and flexibility to meet diverse monitoring needs.
 

Humidity - Capacitive

Measuring range
0 to 100 %RH (non-condensing)
Accuracy
<= ±5 %RH (90 to < 100 %RH)
<= ±1 %rF Hysterese
<= ±3 %RH (10 to < 35 %RH)
<= ±0.06 %RH/K (0 to 60 °C)
<= ±3 %RH (65 to < 90 %RH)
<= ±5 %RH (0 to < 10 %RH)
<= ±2 %RH (35 to < 65 %RH)
<= ±1 %rF/year Drift
Resolution
0.1 %RH

Temperature

Measuring range
-10 to +50 °C
Accuracy
±0.5 °C ±1 Digit
Resolution
±0.1 °C

General technical data

Weight
15 g
Dimensions
62.6 x 38 x 17.5 mm
Operating temperature
-10 to +50 °C
Protection class
IP20
Measuring rate
1 min - 24 h
Communication rate
1 min - 24 h
Standards
EN 12830; HACCP International; NSF
Connection
Power supply
Battery (non-replaceable)
Interface
Sub 1 GHz; IEEE 802.15.4
Memory
300 measuring values
Battery life
8 years
Storage temperature
-30 to +60 °C
  • Mini online data logger testo 164 H1
  • Wall bracket
  • Short instructions
  • Test protocol
  • White packaging
  • not available
  • not available
Contact Us
Testo Ltd
Newman Lane
GU34 2URAlton
HampshireUnited Kingdom
01420 544433

Opening hours

Monday-Thursday: 8:30am - 17:00pmFriday: 8:30am - 16:00pm
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