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Testo 164 H1 - Mini Online Temperature & Humidity Data Logger

Testo
SKU: TESTO164H1
  • Compact logger with integrated temperature and humidity sensors
  • Cloud-connected monitoring with wireless data transfer and alarm notifications
  • Up to 8 years battery life with EN 12830, HACCP and NSF compliance
More Info
Typically ships in 5-7 working days

Testo 164 H1 - Mini Online Temperature & Humidity Data Logger

The Testo 164 H1 is a compact online data logger designed for continuous monitoring of temperature and humidity in applications where discreet installation and reliable remote oversight are important. With integrated sensors and a small, unobtrusive housing, it is well suited to environments that need dependable monitoring without taking up much space.

As part of the wider Testo online monitoring system, the 164 H1 transmits measurement data wirelessly to the Testo 164 Gateway and supports automatic documentation in the Testo Saveris Cloud. In the event of threshold violations, users can receive alerts by push notification, email or SMS, helping teams respond quickly when environmental conditions move outside set limits.

With a temperature measuring range of -10 to +50°C and a humidity measuring range of 0 to 100%RH (non-condensing), the Testo 164 H1 is a practical choice for professional environmental monitoring across areas such as food storage, pharmaceuticals and logistics. It also offers IP20 protection, a battery life of up to 8 years, and compliance with EN 12830, HACCP International and NSF standards, making it a strong option where traceability and dependable documentation matter.

Testo part number: 0572 1644 01

Key Features

  • Mini online data logger for continuous temperature and humidity monitoring
  • Integrated temperature and humidity sensors for straightforward measurement without external probes
  • Wireless data transmission to the Testo 164 Gateway
  • Automatic documentation in the Testo Saveris Cloud
  • Alarm notifications via push notification, email or SMS when thresholds are exceeded
  • Temperature measuring range of -10 to +50°C
  • Humidity measuring range of 0 to 100%RH (non-condensing)
  • IP20 protection class
  • Up to 8 years battery life
  • Complies with EN 12830, HACCP International and NSF compliance

What's In The Box?

  • Testo 164 H1 - Mini Online Temperature & Humidity Data Logger
  • Wall bracket
  • Short instructions
  • Test protocol
  • White packaging
Specification

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 – 15g
  • Dimensions – 62.6 x 38 x 17.5mm
  • Operating Temperature - -10 to +50°C
  • Protection Class – IP20
  • Measuring Rate – 1 min – 24h
  • Communication Rate – 1 min – 24h
  • Standards – EN 12830; HACCP International; NSF
  • 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
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