Sper Scientific

The large display indoor/outdoor thermometer simultaneously displays internal and external temperature on a 33/16” x 21/2” LCD, large enough to be read across a room. Useful as an indoor/outdoor thermometer, or anywhere simultaneous internal and external readings are required. Can be...

The Water Quality Meter reads PH, mV, conductivity, TDS, D.O. temperature and ORP using interchangeable probes. The user can order probes for only the parameters currently required and add additional probes in the future. Intelligent probes electronically retain calibration information. No...

Type 2 sound meter with one-button operation The Sound Level Pen is the smallest, lightest, easiest to carry sound meter in the world. Despite its small size, the Sound Level Pen is a fully functioning type 21 sound meter perfect for testing OSHA requirements and most other sound meter applications....

Easily read from across a room Simultaneously displays either one count up channel and a clock, or two count down channels Extra large start/stop button and a loud alarm Wall mount

Fast, stable and accurate response Light Meter Lux 840006 Monitor light levels anywhere with fast, stable and accurate response. Results are easily read on t he extra large digits ( 7/8" high, 2 2mm) t hat also indicates w hen t he battery is low or the reading over range. The color and cosine...

20 ~ 100% RH scale on 4" dial. Uses a precise synthetic hair hygrometer with an accuracy of ±5%. Inner dial shows temperature using a bimetal thermometer, with an accuracy of ±2°F. N.I.S.T. traceable certificate of compliance available: 736920C

Large 3 3/16” x 2 1/2” dual display Recall min/max temperature and humidity readings Stand or wall mount Monitor can be used in labs, chemical storage areas, clean rooms, stock rooms, factories or outdoors. Unit can be used to monitor desiccators, incubators, refrigerators and fume...

Available in: Immersion & General Purpose: 1225B27, B38, B28, B39 and B29 Penetration: 1225B30-B32 Surface: 1225B35, B33 and B34 Ambient: 1225B36, B40, B37 and B41

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 precision of a digital readout. Reads samples as small as 1 ml. Sample temperature is initially displayed...

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 manual compensation for salinity and altitude (all factors directly effecting DO 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). Test...

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 of days since...

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 to ensure long-term...

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) Simultaneously...

Monitor indoor air quality in public spaces with potentially high levels of CO₂ (carbon dioxide) CO,sub Humidity Dew Point Air Temperature Wet Bulb Temperature Poor air quality may cause tiredness, inability to concentrate, and even illness (i.e., Sick Building Syndrome). This instrument...

Click stop controls give the definitive feel of a mechanical stopwatch but with hundreds of times the accuracy. Large LCD for good visibility. Rugged ABS plastic case. Counts to 24 hours in 1/100th second resolution for the first 30 minutes. Split interval, clock, and calendar functions. Comes with...

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...

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...

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...

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.

Memory stores last 60 lap times Fastest, slowest, and average lap times Timer mode Water and shock resistant N.I.S.T. traceable certificate of compliance available: 0835A15

Red Liquid Whirling Hygrometer (-50~50°C) Obtain fast and accurate humidity readings anywhere by comparing the reading of the wet and dry bulb thermometers on the enclosed humidity chart. Eliminates the hazard of splattering mercury by using a safe and easy to read red liquid. The thermometers are...

The built-in UV-C lamp sanitizes 99.9% of bacteria, viruses, and germs in 5 minutes. Keeps your instruments safe and clean by reducing the spread of germs, bacteria, and contaminations. This feature can be used with, or independent of the ultrasonic cleaning function. Ultrasonic cleaning removes...

Sper Scientific offers a wide selection of pH calibration and buffer solutions. Always choose a pH 7 buffer plus at least one other pH value close to your expected measurement range. Using solutions of known pH value allow you to adjust the system to read accurate measurements. Calibration should be...