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ZN-THS-S / THX11-S

Precision Thermo-Humidity Logger

ZN-THS-S / THX11-S

Easy temperature and humidity control with an SD Card

Item list of ZN-THS-S / THX11-S

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last update: February 6, 2023

Sensor head

Model ZN-THS17-S ZN-THS17C-S * ZN-THS11-S ZN-THS11C-S *
Temperature Measurement range ∗1 0 to 60°C -25 to 60°C
Measurement precision ∗3 ±0.3°C (at 25°C)
Resolution 0.1°C
Long-term drift ∗4 0.1°C or less / year
Relative
humidity		 Measurement range ∗2 20 to 85% 0 to 99%
Measurement precision ∗3 ±2.5% (at 25°C, 10 to 85%)
Resolution 0.1%
Long-term drift ∗4 1.0% or less / year
Recommended storage
temperature range *5		 10 to 50°C (with no condensation or icing)
Recommended storage
humidity range *5		 20 to 60% (with no condensation or icing)
Weight (packaged) Approx. 300 g
Accessories Mounting screw (M3 x 8) x 1
Caps to secure cable
(one for each, front and rear)		 Mounting screw (M3 x 8) x 1

* Please choose this form when you buy it with the calibration certificate.
∗1. Condensation may occur if the device is transferred quickly between locations with significant temperature differences. The device may not be able to measure humidity accurately if condensation occurs. If the product becomes wet due to condensation, allow the product to dry in a dry, room-temperature environment before use.
∗2. The device may not be able to measure humidity accurately if moisture is present on the sensor surface after being exposed to high humidity for an extended period. In this situation, allow the product to dry in a dry environment at room temperature and humidity before use.
∗3. Measurement precision may deteriorate due to the adhesion of impurities, contaminants, organic chemical substances, or other environmental matter on the sensor surface during use. Periodic calibration is recommended to check the measurement precision.
∗4. Long-term drift values are based on continuous usage or storage at a temperature of 25°C and a humidity of 20 to 60% within the warranty period of the product. Continuous usage or storage in an environment that exceeds these conditions may result in a drift value greater than the stated value.
∗5. Measurement precision deterioration may occur while the product is in storage. To maintain the original product performance, ensure a storage environment within the recommended temperature and humidity ranges. Storage in an environment that exceeds the specified conditions may cause deterioration of the measurement precision.

Logger

Model ZN-THX11-SA
Sensor that can be connected Thermo-Humidity Sensor Head (ZN-THS1[][]-S)
Display LCD 7-segment 5-digit 2-step display, auxiliary information indicator display
Measurement interval 10 s, 20 s, 30 s, 1 min, 2 min, 5 min, 10 min, 20 min, 30 min, 1 h
Calculation function Instantaneous value, maximum value, minimum value, average value
Operating mode Normal mode, sleep mode *1
Recording mode Continue *2, ring *3
Alarm signal output *4 Output to photocoupler (External power supply: 12 to 24 VDC, Load current: Max. 45
mA) Alarm hold setting is possible. *5
Internal storage device Internal memory: Approx. 8,500 data items
External storage device SD card (measured value saving/set value saving and reading),
Recommended SD card: HMC-SD292 (2GB) and HMC-SD492 (4GB)
(manufactured by OMRON)*8
Power supply voltage DC input: 24 VDC±10%
Battery: 2 AAA batteries *5
Battery life Approx. 1 year *6 (sleep mode, measurement interval of 10 minutes with 2 AAA
nickel metal hydride batteries, with SD card not inserted)
Operating temperature range 0 to 60°C
Operating humidity range 20 to 85% (no condensation)
Weight (packaged) Approx. 500 g
Accessories Instruction Sheet, Startup1 Guide, Alarm output connector *7,
DC cable (straight type)

*1 Power saving mode. The indicator is always OFF in default setting. (Turns ON with button operation.)
*2 Automatically writes data to the SD card when reaching the upper limit of the internal memory and keeps recording
    until the capacity limit of the SD card. If the SD card is not inserted when the internal memory reaches the upper
    limit, recording stops. (Data can be output to the SD card by pressing the button after inserting the SD card.)
*3 This mode always records the latest measured values for the upper limit of the internal memory. (When the
    measured values exceed the upper limit of the internal memory, the data items will be deleted beginning with the
    oldest data item.)
*4 An alarm is shown when exceeding the upper limit value or lower limit value that has been set in threshold setting
    mode.
*5 Nickel hydride battery and alkaline battery can be used. Manganese batteries cannot be used.
*6 Battery life differs depending on measurement environment, sampling, operating mode, battery type, or performance.
*7 The connector is type XW4B-02B1-H1, made by OMRON.
*8 When using a third party SD card, it is recommended to use a reliable and durable industrial SD card (SD standard or
    SDHC standard (not compliant with SDXC standard), Class 4 or higher, flash memory type SLC or MLC type).
    You must confirm the operation of the SD card yourself.

last update: February 6, 2023

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