Sper Scientific

Reads pH, ORP (oxygen reduction potential), mV, conductivity, TDS (total dissolved solids), salinity, and temperature. Rugged housing with large LCD displaying the parameter being measured together...

Measures electro magnetic field emissions from electrical power lines and transmission equipment, computer, HVAC, audio/video, and other electrical appliances and equipment. While the evidence of the...

This Sper Scientific Clinical Refractometer measures urine specific gravity, or gives the refractive index in seconds. Sper Scientific portable refractometers work in ambient light with no battery or...

This keychain Clip-On Stopwatch is a full function stopwatch packed with features including: single event, start/stop and lap functions, calendar, thermometer in °F, and compass. Clip to your key...

Conductivity/Salinity Probe for Dissolved Oxygen Meter Kit (Cat. No. 660-10112). 6 month warranty.Specifications (when used with D.O. Meter Kit):• Conductivity range: 0 to 199.9 µS/cm; 0...

Visual and audible Continuous Alarm Timer. Select either a bright flashing yellow LED visual alarm or an audible alarm. A memory recalls the last timer setting for reuse. This timer is often used by...

Counts up or down for 100 hours in intervals of 1 second. In count down mode unique feature tells you how much time has elapsed after the alarm sounds. Memory allows repeat of just completed cycle...

Numeric keypad allows for fast programming. Counts up or down for 99 minutes in intervals of 1 second. Has a built in stand, pocket clip, and magnet. Button cell battery included. Cat. No. 350-98878...

Measure concentrations in brix, salinity and a wide variety of other parameters in the field with laboratory accuracy. As small, light and simple to use as optical refractometers, but with the...

Provides further analysis by receiving the data stream from your meter. Data is saved in a text format (.txt) and can easily imported into spreadsheets, databases or word processing programs. Up to...

Portable measurement and datalogging of Indoor Air Quality (IAQ) parameters: Air Temperature, RH, CO2, Dew Point and Wet Bulb. Poor air quality may cause tiredness, inability to concentrate, and even...

These manometers automatically log up to 12,000 readings with date and time stamps and download them to your computer or manually record and review 99 readings on the meters display. They feature...