Supplier: Sper Scientific

Reads either pH (in 0.01 resolution) or mV in large digits, with time, date, and temperature (in °C or °F) shown simultaneously on the lower display.

Supplier: Sper Scientific

Reads pH, ORP (oxygen reduction potential), mV, conductivity, TDS (total dissolved solids), salinity and temperature.

Supplier: Sper Scientific

Supplier: Sper Scientific

Supplier: Sper Scientific

Rugged and waterproof, this refractometer is ideal for field use.

Supplier: Sper Scientific

Excellent for educational applications.

Supplier: Sper Scientific

A unique timer which allows the timing of a subject without disturbing it.

Supplier: Sper Scientific

Monitor light levels anywhere with a fast, stable, and accurate response

Supplier: Sper Scientific

Using interchangeable probes (sold separately) this versatile environmental meter reads airspeed, air temperature, RH, light and thermocouple and IR temperature

Supplier: Sper Scientific

Accessories for Sound Meters, Sper Scientific

Supplier: Sper Scientific

Ideal for testing for OSHA requirements.

Supplier: Sper Scientific

Records data onto standard SD memory cards. Mainly designed for reading air velocity and temperature, and functions as a type K or J thermometer.

Supplier: Sper Scientific

Accurate IR at a reasonable price.

Supplier: Sper Scientific

Measure concentrations in brix, salinity, and a wide variety of other parameters in the field with laboratory accuracy

Supplier: Sper Scientific

Measure concentrations in brix, salinity, refractive index, and clinical parameters with the full scale accuracy of 0.1% using CCD scanner (linear scanned array imaging) technology

Supplier: Sper Scientific

The programmable refractometer is preloaded with the commonly used Brix (0–95%) and nD (refractive index) scales

Supplier: Sper Scientific

Brix refractometers, also called sugar refractometers, are commonly used in the food and beverage, agriculture, and wine industries

Supplier: Sper Scientific

The pH SD card logger reads pH, ORP, and temperature, and records data onto standard SD memory cards (like a digital camera)

Supplier: Sper Scientific

This long range digital countdown project timer allows you to set a target day for completion of a project up to 8 years in the future and the unique timer counts down to your deadline in days, hours, minutes, seconds and ¹/₁₀₀ seconds on a 12 digit LCD.

Supplier: Sper Scientific

Automatically records up to 16000 data points in the field.

Supplier: Sper Scientific

6 month warranty.

Supplier: Sper Scientific

Digital humidity temperature monitor with a large display.

Supplier: Sper Scientific

Rugged and waterproof, this refractometer is ideal for field use.

Supplier: Sper Scientific

Simultaneously displays the parameter being measured and temperature in °C or °F.

Supplier: Sper Scientific

Fits standard test tubes 16x50 mm or larger.

Supplier: Sper Scientific

Easy to carry, simple to calibrate and use, and sufficient for many surface dissolved oxygen measurements.

Supplier: Sper Scientific

RS232 to USB Adaptor Cable, Converts 9-pin Plug to USB

Supplier: Sper Scientific

Refractometer features Automatic Temperature Compensation (ATC), which makes manual temperature corrections unnecessary

Supplier: Sper Scientific

Laboratory accuracy in the field.

Supplier: Sper Scientific

Type 2 sound meter with one-button operation.