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Art-Sorb is a moisture-sensitive silica material which absorbs and desorbs moisture in order to offset changes in external relative humidity. It provides more moisture buffering capacity than regular density silica gel. Art-Sorb is available in three versions, each pre-conditioned at ... read more

Damp Protect

Damp Protect sensors are based on a physical chemical principle and show how long the RH has exceeded a predetermined level. The reading on the indicator is non-reversible. This means that even if the relative humidity temporarily falls below the ... read more


Odorless calcium chloride flakes are packed in a two cup plastic reusable container which acts as its own mini-dehumidifier. Easy to use crystals help prevent mildew, mold, and musty odors. Recommended for storerooms, closets, cabinets, etc. Price each.

Data Logger with USB

This data logger measures and stores up to 16,382 relative humidity and 16,382 temperature readings over 0 to 100%RH and -35 to +80°C (-31 to +176°F) measurement ranges. The user can easily set up the logging rate and start time, ... read more

Data Logger with USB and LCD Display

This standalone data logger measures and stores up to 16,379 relative humidity and 16,379 temperature readings over 0 to 100%RH and -35 to +80°C (-31 to +176°F) measurement ranges. The user can easily set up the logger and view downloaded ... read more

Data Logger with USB Replacement Battery

This 3.6V 1/2AA replacement battery has a one-year shelf life and was designed to power our Data Logger with USB and Data Logger with USB and LCD Display.

Data Logger with WiFi Sensor and Optional Alarm Device

The WiFi-TH Sensor measures the temperature and humidity of the environment in which it is situated. Data is transmitted wirelessly via a WiFi network to a PC and viewed using a free software package. During configuration the sensor will search ... read more

Data Logging Temperature and Humidity Monitor

Ideal for temperature, humidity monitoring and control in critical areas, this wall mounted, LED type is easy to read. Features high and low limit temperature and humidity alarm, USB interface and a data logging capacity of 30,000 records. Temperature accurate ... read more

Desiccant Reusable Canister

Compact, reusable aluminum canister can be placed in display cases, boxes, drawers, or anywhere moisture or humidity may be a problem. Canister contains 43 grams (1.5 oz.) of Orange Indicating Silica Gel and will last indefinitely when properly reconditioned. Size: ... read more

Digital Psychrometer

Introducing a new digital precision temperature and humidity instrument which features high accuracy and fast response. This hand-held unit requires no twirling or reading of charts and includes a handy pocket clip. Features include data hold, an F/C switch, min/max ... read more

Display Case Hygrometer

They're back! This popular display case hygrometer is also ideal for storage shelves, archiving boxes and more! The device features a bi-metallic method for higher accuracy, with temperature measurement +/- 1 degree Celsius and RH +/- 5%. Compact size is ... read more

Handheld Programmer and Data Collector for Data Loggers with USB

The data collector allows users of Data Logger with USB and Data Logger with USB and LCD Display to configure their units, download data & view logs on the spot rather than removing the logger from the environment being measured ... read more

Humidity Control Cassettes

These humidity control cassettes are constructed from perforated stainless steel. designed to hold Art-Sorb and various brands of silica gel beads. Keeps beads away from works of art and provides easy access for reconditioning. The high quality humidity cassettes are ... read more

Humidity Indicator Cards

These humidity indicators provide a quick and inexpensive means of checking relative humidity levels of your storage or display areas. As humidity changes the chemically impregnated spots change from blue (dry) to pink (humid). The card indicates the current humidity ... read more

Humidity Indicator Certified Hygrometer

Get relative humidity and temperature reading at a glance. This hygrometer is certified to be accurate within +/- 3% and indicates the complete range of 0 to 100% humidity. The bimetallic thermometer is accurate to 105 of scale and has ... read more

Hydrion Humidicator Paper

Place a strip of this highly sensitive paper in any room or exhibit case and leave in place. Then compare paper color to the accompanying color chart to determine relative humidity. Change paper every 10 - 14 days of exposure. ... read more

Jumbo Display Temperature and Humidity Meter with Clock

A three row display shows temperature, humidity and current time. Also features Min/Max temperature and humidity memory. Temperature measurement accuracy +/- 1.8 F (+/- 1 C) and RH measurement accuracy +/- 6% of reading. Power source is 1 AAA battery ... read more

Jumbo Display Thermo-Hygrometer

The large, easy-to-read digital display makes all the difference. Each unit features a F/C switch and min/max memory. Temperature range is 14 tp 122 degrees Fahrenheit with a humidity range of 10% to 99% (+/- 5%). Powered by one AAA ... read more

Maxant Compact Display Case Hygrothermograph

Many of the same high quality features found in the large hygrothermograph have been incorporated into this compact version. Because the human hair humidity sensor is slightly shorter, this unit is recommended for smaller spaces where changes are not as ... read more

Maxant Hygrothermograph

New Model! The first piece of equipment you need in any successful environmental monitoring program is a hygrothermograph. This model records humidity levels (0 - 100% RH, +/- 3% mid-range) and temperature (+14 to 114 degrees F, +/- 1.5) simultaneously with ... read more