Cleanroom Testing and Validation Instruments

Temperature and Humidity Data Logger

A compact battery-powered logger for continuous recording of temperature and relative humidity in cleanrooms, storage areas and controlled equipment.

Continuous dual-parameter records.
Local display and alarm status.
Compact wall-mounted operation.

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Product Introduction

The self-contained logger combines an internal capacitive humidity sensor, temperature element, display and nonvolatile memory in a small wall-mountable housing. Configurable sampling intervals and alarm limits support unattended environmental monitoring, while the display provides immediate status without downloading data. A docking interface transfers stored records for trend review and documentation.

Key Features

Dual-channel recording captures temperature and humidity together.

Internal memory protects measurements during unattended operation.

Configurable sample intervals balance detail and recording duration.

On-screen alarm and status symbols enable quick visual checks.

Compact wall holder positions the sensor consistently in the monitored space.

Docking interface simplifies logger configuration and data retrieval.

Customer Product Concerns

Environmental excursions can occur between manual rounds, so controlled spaces need an unobtrusive recorder that preserves time-based temperature and humidity evidence.

Manual spot readings can miss short environmental excursions.Automatic interval logging creates a continuous temperature and humidity record.

Personnel need to see status without connecting a computer.The local display shows current values, battery state and alarm indicators.

A logger may be moved and produce inconsistent room comparisons.The dedicated wall holder establishes a repeatable monitoring position.

Recorded data could be lost when batteries are changed.Nonvolatile memory retains stored readings independently of routine battery replacement.

Typical Applications

Cleanroom environmental trendingTemperature-sensitive storage monitoringLaboratory room loggingWarehouse climate documentationEquipment enclosure monitoring

Technical Parameters

Representative compact logger construction is shown below; memory capacity, communication method and mounting accessories can be matched to the monitoring plan.

Core Material	ABS housing, capacitive humidity sensor, NTC temperature sensor, display and nonvolatile memory
Panel Thickness	Typically 1.2-2.0 mm for molded logger housing
Effective Width	Approximately 45-75 mm across the logger body
Maximum Length	Approximately 55-110 mm including wall-holder profile
Steel Facing Thickness	Typically 0.2-0.5 mm for internal battery contacts and sensor supports
Core Density	Approximately 1040-1100 kg/m³ for the ABS housing
Thermal Conductivity	Approximately 0.17-0.23 W/(m·K) for the ABS housing
Surface Finish	White and graphite molded body with clear LCD window and blue status key
Joint Type	Clip-in wall holder with sealed battery door and docking-interface contacts
Customization	Available based on the intended application and operating environment.

Available Options

USB or wireless docking interfaceAlternative memory capacityExternal probe versionWall holder with lockProtective transport caseAnalysis software package

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