pH Meters & Refractometers

This sound calibrator generates a stable acoustic signal at a controlled frequency and amplitude to verify the accuracy of your sound level meter. The R8090 is compatible with all 1/2" diameter microphones. Features: Generates stable acoustic signal at a controlled frequency and amplitude to verify sound level meter accuracy Accommodates sound meters with 1/2" diameter microphones Simply place calibrator on microphone, turn on and adjust your sound level meter Complies with IEC 942 Class 2

For use with the REED R3525 pH/mV Meter. Features: 0 to 1500mV BNC connector for quick and easy connection 1/2" (12mm) diameter with 39" (1m) cable

This indoor air quality meter measures and records carbon dioxide (CO2), temperature, and humidity. The R9920 features a high-resolution color TFT touchscreen display, user-selectable recording times, programmable alarm set points, a built-in desk stand, and a wall mounting bracket. Quickly generate an Excel file with raw data and export recorded data to a computer without the use of the software. Features: Simultaneously monitors carbon dioxide (CO2), temperature and relative humidity Low-drift NDIR CO2 sensor for stable and accurate readings User selectable unit of measure (°C or ...

This sound level meter meets IEC Type 2 requirements and offers high accuracy for critical measurements. The R8060 features over/under range indicators for each of the 3 measurement ranges, a digital analog bargraph and the ability to keep track of Min/Max readings. Features: High accuracy of ±1.4dB meets Type 2 standards Triple range measurement (60dB dynamic range) A & C frequency weighting Fast & Slow time weighting Easy-to-read LCD display Digital analog bargraph Min/Max hold AC/DC output signal for use with dataloggers Tripod mount for long-term monitoring Low battery indicator ...

The R6250SD measures temperature, humidity, and direct or radiant sunlight with Wet Bulb Globe Temperature (WBGT). With this information it determines the "What it feels like" temperature. The R6250SD is OSHA recommended with a user-adjustable WBGT audible alarm and the ability to adjust settings for indoor temperature measurement. Featuring, Data hold, Max/Min functions, and an easy-to-read backlit LCD display. Using a SD card (max 16GB), a user can manually record up to 99 readings or automatically by selecting a desired sampling rate from 1 to 3600 seconds. Quickly generate an Excel ...