SK Sato Precision Hair Hygrometer with Thermometer

SK Sato Precision Hair Hygrometer with Thermometer

High-Accuracy Analog Thermo-Hygrometer for Professional Indoor Monitoring

The SK Sato Precision Hair Hygrometer with Thermometer (Model: Highest I) is a highly sensitive analog instrument designed for accurate measurement of both temperature and humidity. This device utilizes a specially treated human hair bundle as the humidity sensing element, renowned for its responsiveness and precision in fluctuating conditions. Paired with a kerosene-based thermometer, it delivers reliable performance for environments requiring consistent climate control.

Built with a durable nickel-plated steel casing and glass face, this unit combines functionality with classic analog design. It operates without batteries, making it maintenance-free and ideal for continuous monitoring in laboratories, museums, archives, and climate-controlled spaces.

Product Features

• uses natural human hair bundle for high-precision humidity detection

• dual analog display for clear and simultaneous temperature and humidity readings

• temperature indicated via colored kerosene column

• wide measurement range covering general indoor environmental conditions

• durable, nickel-plated SPCC steel construction for long-term use

• classic circular design suitable for wall-mount or display

• operates without any external power source

Applications

This SK Sato precision hygrometer is ideal for professionals and institutions that demand consistent climate monitoring, including:

• laboratories: monitor and maintain optimal environmental conditions for sensitive experiments

• archives and museums: protect valuable documents, artwork, and artifacts from moisture damage

• libraries and storage rooms: preserve books and materials in controlled humidity

• greenhouses and botanical environments: manage humidity for plant health

• climate-controlled manufacturing: suitable for electronics, pharmaceutical, or textile production areas

Specifications

• model name: Highest I

• catalog number: 7540-00

• humidity measurement range: 20 to 100% RH

• temperature measurement range: -10 to 50°C

• humidity accuracy: ±3% RH (within 40 to 80% RH, at 15 to 25°C), ±5% RH (outside this range)

• temperature accuracy: ±2°C

• minimum scale: 1% RH / 2°C

• humidity sensor: bundle of human hair

• temperature sensor: colored kerosene fluid

• materials: nickel-plated SPCC steel (body), glass (face cover)

• dimensions: 150 mm diameter x 40 mm depth

• weight: 280 g

• power: none required

• standard accessories: instruction manual

• calibration: available (JCSS accredited calibration not available)

• packaging lot: 30 units per carton

This precision hygrometer is a trusted analog solution for detailed indoor environment monitoring, offering both beauty in design and excellence in accuracy.