Records data onto removable SD cards. Reads lux, foot candles and functions as a type K or J thermometer. A new advanced function compensates for the difference in tungsten, fluorescent, mercury and daylight ensuring highly accurate readings under various light sources. Records data onto standard…

For calibration of all Sper Scientific digital sound meters and any sound meter with a ½" microphone. The 850012 Sound Level Calibrator is used to calibrate the sensitivity of the microphone and sound level measuring equipment. The design is based on the feedback method to ensure a highly stable…

Easily carried in a shirt pocket These tiny meters are less than ¾" thick and weigh only 4oz (120g). The controls, display and sensor are all neatly contained and protected within the folding case. Directions are printed right inside the cover. When open, the sensor may be extended for…

Used in motion studies in classrooms, physics and Q.C. labs. Convenient for non-contact measurement of running machinery in factories and elsewhere since, unlike tachometers, stroboscopes require no special reflective tapes. Powerful xenon lamp. The ½” high 4 digit LED is easy to read in both light…

For ORP (Oxygen Reduction Potential) measurement in water treatment, disinfection and labs. Highly stable and accurate readings with a large LCD display. Designed for simple one-hand operation. Features auto power off, hold function, and a low battery indicator. The case is IP65 waterproof, and…

Includes a detachable heavy-duty probe with ¼" PS connector for liquid, air, oil and gas. Features min/max, hold, low battery indicator, auto power off and an RS232 computer interface. Comes ready to use in a foam-lined, hardshell carrying case with 9V battery and instructions.

This multi-functional pen type water quality meter measures conductivity and total dissolved solids to determine water quality. The unit has auto calibration and automatic shut off if idle for 2 minutes. This compact unit weighs just 27 grams, is 6” in length and easily fits into a shirt…

Automatically log up to 4,000 readings or manually record 99 readings, each with pH, mV (supports ORP), °C or °F, time and date Review all data on the meter’s display or download with the included software Three point calibration with automatic buffer recognition indicating the number…

Fits standard test tubes 16x50mm or larger Highly stable and accurate readings with a large LCD display. Designed for simple one-hand operation. Automatically calibrates to pH 4, 7 and 10 buffers and can be adjusted to recognize any buffer. Features hold function, and auto power off with low…

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 meter’s display. Features a user friendly menu, backlit dot matrix display, auto power off and a tripod screw. This portable meter is ideal for…

Rugged housing with large LCD displaying the parameter being measured together with time, date and temperature (in ºC or ºF). Automatic or manual temperature compensation Automatic or manual ranging Automatic buffer recognition Digital and analog outputs Min/Max and 99 data points …

Thomas No. 1229Q52:  ATC Temperature Probe Replacement For use with the following: pH SD Card Logger Thomas No. 1229Q61:  Conductivity Probe For use with the following meters: Pure Water Meter Benchtop Conductivity/TDS/Salinity Meter Benchtop Water Quality Meter

Enables precise measurement of white and color LED illuminance, color temperature, correlated color temperature or color difference simultaneously shown on a backlit display. Excellent for art galleries and museums, film and TV studios, lighting manufacturers, stores and designers.  Meets…

Meets IEC 61672-1:2013 Class 1 and ANSI S1.4:2014 Type 1 requirements for sound meters. Features fast or slow time weightings, peak hold and AC output. A calibration adjustment allows the user to quickly calibrate the meter's internal electronics. Can also be acoustically calibrated, in compliance…

Highly stable and accurate readings with large LCD display Designed for simple one-hand operation Automatically calibrates to pH 4, 7, 10 buffers and can be adjusted to recognize non-standard buffers as well Features hold function and auto power  

Reliable DO readings at a reasonable price. Measures dissolved oxygen to determine water quality in environmental testing, labs, industrial and municipal waste water, aquariums and fish hatcheries. The back-lit display simultaneously displays dissolved oxygen (in % or mg/L) and temperature readings…

Calculates SPL and L_EQ Sper Scientific’s Integrating Sound Datalogger measures sound pressure level (SPL) according to A or C weighting and integrates the weighted SPL over an established length of time, such as an 8-hour workday, to calculate cumulative sound exposure (LEQ).…

The Water Quality Bench Top Meter from Sper Scientific measure all of the following parameters: pH ORP (oxygen reduction potential - SOLD SEPARATELY) mV Conductivity TDS (total dissolved solids) Salinity Temperature Rugged housing with large LCD displaying the…

Records sound together with dB levels. This unique Sound Meter enables you to playback a live audio recording that is synced with the measured sound intensity graph. The meter and included software can quickly collect and analyze all standard sound data such as dB levels, LEQ and SPL, but also…

Measures conductivity (in a wide range of 0.1 S ~ 199mS), salinity, TDS (total dissolved solids), and temperature. Determine water purity in boilers, coolers, water conditioning, waste water, photography, environmental testing, aquariums, labs, industrial and quality control. The large back-lit…

Measures dissolved oxygen to determine water quality in environmental testing, labs, industrial and municipal waste water, aquariums and fish hatcheries Automatic temperature compensation as well as compensation for salinity and altitude (all factors directly effecting DO readings) …

Compact and portable; can be used to monitor light levels anywhere or to check lux level of a specific light source Range: 0.1 to 400,000 lux, 40,000 fc Extra large LCD (1 1/2” high) with bar graph Quick, accurate responses Selenium cell photosensor is hermetically sealed…

The Sper 850048 Combination Water Meter can Measure Dissolved Oxygen, pH, Conductivity, TDS, Salinity or Temperature Using Different Probes. This kit includes includes one conductivity/salinity probe. Additional probes (optional) also allow it to operate as a highly accurate pH meter, conductivity…

Advanced pH Meter Reads either pH (in 0.01 resolution) or mV in large digits, with time, date, and temperature (in ºC or ºF) shown simultaneously on the lower display. Also indicates stable reading, low battery and displays calibration data. Scroll 99 data points with time stamps and min/max…

This wind screen fits all Sper Scientific digital sound meters.

Combines an anemometer, hygrometer, thermometer, sound and light meter into a single hand-held unit. Also reads any type-K thermocouple probe. Results are displayed on a large dual LCD with low battery and out of range indications. Features touch-tone buttons, min/max, auto power off and hold…

Measure damaging UV (ultraviolet) light in the environment and museums UV degradation studies in the pharmaceutical, cosmetic, semiconductor, printing, window tinting, and other industries Laboratory chromatography, electrophoresis and forensics Test UV sterilization and dermatology lamps…

1 year warranty CE Mark Highly stable and accurate readings with large LCD display. Designed for simple one-hand operation. Simultaneously displays the parameter being measured and temperature in ºC or ºF. Features automatic temperature compensation, 2 pt. calibration, auto power off, hold…

Sper Scientific’s LED Light Meter compensates for the wide variety of color temperatures available in modern LED lighting. Unlike standard LED Light meters which are calibrated only to a particular color temperature bulb, Sper Scientific’s LED Light Meter compensates for the wide variety of color…

5 year warranty CE Mark A single dynamic 30 ~ 130db range eliminates the need to manually select ranges and prevents data errors during range changes in auto-ranging models. All test parameters are simultaneously displayed on a large bright backlit display featuring 0.1 dB resolution and a bar…

Rugged housing with large LCD displaying the parameter being measured together with time, date and temperature (in ºC or ºF). Automatic or manual temperature compensation Automatic or manual ranging Automatic buffer recognition Digital and analog outputs Min/Max and 99 data points …

Measures velocity and acceleration. The large display indicates RMS, peak, min/ max, hold, and low battery. Features auto power off and an RS232 computer interface. Comes ready to use in a foam-lined hard-shell carrying case with a strongly magnetic detachable probe, 9V battery and instructions.