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    Digital Thermometer Hygrometer with Min/Max Memory

    The digital thermometer hygrometer can ensure accurate readings within a temperature range of -10°C to 50°C and a humidity range of 5.0% to 98% RH. Additionally, it offers flexibility by allowing connection to a K-type thermocouple, extending temperature measurement capability from 20°C up to an impressive 1000°C. SISCO portable backlight humidity temperature meter is the ultimate tool for precise and convenient environmental monitoring.
    SKU: SISCO-TH-847
    i h
    🚚 Free shipping
    🔙 30-day returns
    📅 Delivery: 7-12 days

    Thermo hygrometer are designed to be simple and easy to operate. With just one button, you can easily switch to view the current temperature, humidity, as well as the recorded minimum/maximum values. SISCO portable digital thermometer hygrometer adopts advanced sensor technology, with sensors that can be freely extended and stretched up to 360mm, effectively increasing the measurement distance, making the measurement more convenient.

    Smart digital thermo hygrometer details
    • Temperature Measurement: Accurately measures temperature in both Celsius (°C) and Fahrenheit (°F) units.
    • Humidity Measurement: Precisely measures humidity levels for comprehensive environmental monitoring.
    • Automatic Shutdown: Features an automatic shutdown function for power-saving convenience.
    • High Accuracy Measurement: Utilizes high-precision sensors for reliable and precise readings.
    • Maximum/Minimum Values: Records and displays maximum and minimum temperature/humidity values for reference.
    Temperature humidity gauge with backlight
    • Data Hold: Allows for data hold functionality, ensuring captured readings remain steady for analysis.
    • Unit Switching: Easily switches between Celsius and Fahrenheit units for user preference and convenience.
    • High-Precision Sensors: Equipped with advanced sensors for enhanced accuracy in both temperature and humidity measurements.
    • High-Definition Backlit Display: Featuring a high-definition backlit display, the portable hygro thermometer ensures easy reading of measurements in both bright and low-light conditions.


    Digital thermo hygrometers are essential instruments for temperature and humidity monitoring in various fields including agriculture, animal husbandry, industrial production, laboratory settings, nautical applications, and incubators.

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    Model SISCO-TH-AS834
    Temperature Range -10~50°C (14~122°F)
    K Type Thermocouple Temperature Range -20~ 1000C℃
    Humidity Range 5.0~98%RH
    Temperature Measurement Error ±1.5°C
    Humidity Measurement Error ±5%RH (5.0%~40%RH)
    ±3%RH (40%~80%RH)
    ±5%RH (81%~95%RH)
    Temperature Resolution 0.1C /0.1°F (K-type thermocouple resolution: 1°C))
    Humidity Resolution 0.1%RH (probe cannot be placed in water)
    °C/°F Uunit Conversion
    Auto Power Off √ (Automatically shuts down after 10 minutes without any operation)
    Low Power Reminder Function
    Data Hold Function
    Maximum/Minimum Value
    Update Frequency 2.5 Times/second
    Power Supply 9V Battery
    Net Weight 275g
    Dimension 125* 5025mm



    Smart digital thermo hygrometer dimension


    Thermo hygrometer smart sensor


    Q1: What is a thermo hygrometer and how does it work?
    A1: A thermo-hygrometer is a device used to measure both temperature and humidity in the air. It combines two sensors: a thermometer for measuring temperature and a hygrometer for measuring humidity.

    The thermometer sensor typically works by measuring the change in electrical resistance or voltage caused by the temperature change. This change is then calibrated to provide an accurate temperature reading.

    The hygrometer sensor measures humidity by detecting changes in capacitance, resistance, or electrical conductivity caused by the presence of water vapor in the air. These changes are then converted into a humidity reading.

    Modern thermo-hygrometers often display both temperature and humidity readings digitally, making them convenient and easy to use. They are commonly used in various applications such as weather monitoring, indoor climate control, agriculture, and industrial processes where precise control of temperature and humidity is important.

    Q2: Where should I place my hygro thermometer for accurate readings?
    A2: To get accurate readings from your thermo hygrometer, it's important to place it in a location that represents the typical conditions of the area you want to monitor. Here are some general guidelines:

    1. Away from direct sunlight: Direct sunlight can artificially raise temperatures and skew humidity readings. Place the hygro thermometer away from windows or any other sources of direct sunlight.
    2. Away from heating or cooling sources: Avoid placing the hygro thermometer near heating vents, radiators, air conditioners, or any other sources of heat or cold that could affect the readings.
    3. In a well-ventilated area: Place the hygro thermometer in a spot with good air circulation to ensure accurate readings of both temperature and humidity.
    4. At eye level: Try to position the hygro thermometer at eye level or in a location where it's easy to read the display. This will make it convenient to check the readings regularly.
      Representative of the space: Place the hygro thermometer in an area that is representative of the space you want to monitor. For example, if you're monitoring the conditions in a greenhouse, place it among the plants at a typical height.
    5. Away from drafts: Avoid placing the hygro thermometer near doors, windows, or other areas where drafts could affect the readings.

    Q3: Can thermometer hygrometers be used outdoors?
    A3: Yes, thermometer hygrometers can be used outdoors, but it depends on the specific model and its specifications. Some thermometer hygrometers are designed for indoor use only and may not withstand the environmental conditions outdoors, such as exposure to moisture, extreme temperatures, and direct sunlight.

    However, there are also thermometer hygrometers specifically built for outdoor use. These models are typically more rugged and equipped with features that make them suitable for withstanding outdoor conditions. They may have waterproof or weather-resistant casings, UV protection for sunlight exposure, and durable sensors.

    Before using a thermometer hygrometer outdoors, it's essential to check the product specifications and ensure that it's designed for outdoor use if you plan to expose it to outdoor conditions.

    Tips: What is the significance of having a thermometer and hygrometer onboard a nautical vessel?

    • Monitoring Temperature and Humidity: These instruments help sailors monitor the temperature and humidity levels inside the vessel. This information is essential for maintaining a comfortable environment for crew members, as extreme temperatures and humidity can affect comfort and health.
      Safety: Temperature and humidity levels can affect the stability of the vessel and the condition of cargo or equipment. Extreme temperatures can cause materials to expand or contract, affecting the structural integrity of the vessel. High humidity levels can lead to the formation of mold, corrosion of metal components, and degradation of perishable goods.
    • Navigation and Weather Forecasting: Temperature and humidity readings can provide valuable 
      information for navigation and weather forecasting. Changes in temperature and humidity can indicate approaching weather systems or changes in atmospheric conditions, helping sailors prepare for potential storms or adverse weather conditions.
    • Health and Well-being of Crew: Monitoring temperature and humidity levels is essential for ensuring the health and well-being of the crew. Extreme temperatures or high humidity can lead to heat-related illnesses, dehydration, or discomfort, particularly during long voyages.
    • Instrumentation Calibration: Thermometers and hygrometers onboard can also serve as reference instruments for calibrating other onboard sensors and instruments, ensuring the accuracy of measurements related to temperature and humidity.

    Thank you for buying industrial test and measurement equipment on, all products sold by SISCO and the partner cover a 12 months warranty, effective from the date of receiving the products.

    What is covered?

    SISCO is responsible for providing free spare parts, and free technical support to assist the customer to repair the defective products until the problem is solved.

    What is not covered?

    • Product purchased from anyone other than a SISCO store or a SISCO authorized reseller.
    • Expendable parts.
    • Routine cleaning or normal cosmetic and mechanical wear.
    • Damage from misuse, abuse or neglect.
    • Damage from use of parts other than SISCO approved.
    • Damage from use outside the product’s usage or storage parameters.
    • Damage from use of parts not sold by SISCO.
    • Damage from modification or incorporation into other products.
    • Damage from repair or replacement of warranted parts by a service provider other than a SISCO authorized service provider.
    • Damage caused by the application environment not meeting the product usage requirements and the failure to perform preventive maintenance.
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