Data Logger and Moisture Indicators

For measuring temperature and humidity

Keep a reliable eye on temperature and humidity during transport and storage. Data loggers and moisture indicators help you to detect critical moisture levels early, digitally document the course of temperature and relative humidity for a defined period, and better protect your goods from moisture damage.

  • Handy logger, only 27.5 g, for digital measurement and recording of temperature and humidity (single-use product)
  • Min. 90 days battery life after recording activation
  • Temperature range -30°C to +70°C
  • Humidity range 0% to 100% RH
  • Robust device, protected against dust and jet water (IP65)
  • Complies with the requirements of DIN EN 12830
  • Easy operation and clearly readable LCD screen; after the test period, simply plug into the computer’s USB port and receive a report – no accessories needed
  • Handy logger, only 27.5 g, for digital measurement and recording of temperature and humidity (single-use product)
  • Min. 90 days battery life after recording activation
  • Temperature range -30°C to +70°C
  • Humidity range 0% to 100% RH
  • Robust device, protected against dust and jet water (IP65)
  • Complies with the requirements of DIN EN 12830
  • Easy operation and clearly readable LCD screen; after the test period, simply plug into the computer’s USB port and receive a report – no accessories needed
from €25.00 /piece

Sales exclusively to commercial customers. No sales to consumers as defined by § 13 BGB. The price shown refers to the minimum order quantity of 1 box.

plus statutory VAT
For deliveries to non-EU countries, additional customs duties, taxes and fees may apply.
  • Display of relative humidity between 30 and 50 percent
  • Indicator paper changes color when a critical humidity level is exceeded from blue to violet to pink (reversible)
  • Card can be placed directly in product packaging
  • Indicator for checking humidity inside closed barrier systems
  • Used to monitor the condition of sensitive packaged goods
  • Display of relative humidity between 30 and 50 percent
  • Indicator paper changes color when a critical humidity level is exceeded from blue to violet to pink (reversible)
  • Card can be placed directly in product packaging
  • Indicator for checking humidity inside closed barrier systems
  • Used to monitor the condition of sensitive packaged goods
€0.6820 /piece

Sales exclusively to commercial customers. No sales to consumers as defined by § 13 BGB. The price shown refers to the minimum order quantity of 1 box.

plus statutory VAT
For deliveries to non-EU countries, additional customs duties, taxes and fees may apply.
Pieces per box: 100
Sub-packaged in: 100
Price per PU: €68.20
In stock
Delivery Time: 2-3 business days (DE) | 4-7 business days (EU/EEA)
  • Window for indicating relative humidity between 30 and 50 percent
  • Indicator paper changes color when a critical humidity level is exceeded from blue to violet to pink (reversible)
  • Can be attached to a barrier bag
  • Indicator for checking humidity inside closed barrier systems
  • Used to monitor the condition of sensitive packaged goods
  • Window for indicating relative humidity between 30 and 50 percent
  • Indicator paper changes color when a critical humidity level is exceeded from blue to violet to pink (reversible)
  • Can be attached to a barrier bag
  • Indicator for checking humidity inside closed barrier systems
  • Used to monitor the condition of sensitive packaged goods
€19.58 /piece

Sales exclusively to commercial customers. No sales to consumers as defined by § 13 BGB. The price shown refers to the minimum order quantity of 1 box.

plus statutory VAT
For deliveries to non-EU countries, additional customs duties, taxes and fees may apply.
Pieces per box: 12
Sub-packaged in: 12
Price per PU: €234.96
In stock
Delivery Time: 2-3 business days (DE) | 4-7 business days (EU/EEA)
  • Window for displaying relative humidity between 40 and 80 percent
  • Indicator paper changes color when a critical humidity level is exceeded from blue to violet to pink (reversible)
  • Can be attached to a barrier bag
  • Indicator for checking humidity inside closed barrier systems
  • Used to monitor the condition of sensitive packaged goods
  • Window for displaying relative humidity between 40 and 80 percent
  • Indicator paper changes color when a critical humidity level is exceeded from blue to violet to pink (reversible)
  • Can be attached to a barrier bag
  • Indicator for checking humidity inside closed barrier systems
  • Used to monitor the condition of sensitive packaged goods
€20.18 /piece

Sales exclusively to commercial customers. No sales to consumers as defined by § 13 BGB. The price shown refers to the minimum order quantity of 1 box.

plus statutory VAT
For deliveries to non-EU countries, additional customs duties, taxes and fees may apply.
Pieces per box: 12
Sub-packaged in: 12
Price per PU: €242.16
In stock
Delivery Time: 2-3 business days (DE) | 4-7 business days (EU/EEA)

Properties of Data Loggers
ThoMar offers you data loggers for temperature and humidity for your test project, e.g. container transport with and without desiccant use, or for permanent climate monitoring. These are used during transport and storage of goods of all kinds in containers or within packaging. You can use the logger to evaluate the exact progression of temperature and humidity during your logistics project and take further measures to reduce moisture if necessary. Especially with sensitive products, monitoring temperature and humidity is important to determine whether the use of (additional) desiccants is necessary.
Application of Data Loggers
Data loggers are very easy to use and are, for example, attached in the container before transport begins and recording is started with the push of a button. At the end, another button press stops the recording, the logger is plugged into the USB port of your computer, and a report for the recording period is automatically generated. We are happy to advise you before use, also regarding limit values applicable to your specific product, e.g. for mold formation or corrosion, and recommend the appropriate desiccant.
Properties of Humidity Indicators
Humidity indicators serve to check the climate in packaging. They display the relative humidity within a sealed barrier layer.

A humidity indicator consists of a special indicator paper. A thin layer of the chemical compound cobalt(II) chloride is applied to it, which is blue in its anhydrous state. When the paper absorbs moisture or water from the ambient air, the cobalt chloride also becomes moist. As the moisture level increases, it changes color from blue through violet to pink.

The relative humidity in the barrier layer is displayed in percent in the designated impregnated fields on the indicator paper. This allows verification of whether the critical humidity value for the packaged goods has been exceeded.
Application of Humidity Indicators
The indicator is primarily used when export packaging is transported in containers through different climate zones over an extended period. The use of humidity indicators is also useful for storage and shipping of moisture-sensitive goods, raw materials, electrical items, or pharmaceutical products.

Together with the appropriate desiccant in the correct quantity, humidity indicators serve to secure cargo and protect against moisture damage.

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