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…

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) …

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…

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…

Monitor up to 3 environmental parameters with one tiny instrument: Wind Speed, Air Temperature, Relative Humidity (RH). Light weight, tiny size with simple, one-hand, operation. They are perfect for scientists, agricultural specialist, facilities managers, HVAC professionals, home inspectors, field…

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…

Automatically records up to 16,000 data points in the field. These can later be downloaded to a computer via the meter’s RS232 port and the results viewed instantly on the ThermoLog Software which comes with the unit. Software also enables real time data logging directly from the thermometer to the…

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…

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…

When temperature exceeds your minimum or maximum setting entire display flashes red. Simply hold the IR gun, press the trigger and aim the laser guide at the target. Results immediately appear in ºC or ºF on the backlit LCD and are automatically held for 6 seconds after the trigger…

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…

Takes the guesswork out of heat stress calculations. This unique heat stress meter features bright multi-color LCD backlights corresponding to OSHA’s heat stress alert levels. This visual alert system can be seen at a distance allowing management and workers to be instantly aware when…

This wind screen fits all Sper Scientific digital sound meters.

Enables remote sound level readings Features both RS232 computer interface and AC output. Also has A and C decibel frequency weighting scales, fast or slow time weighting, hold, peak hold, and min-max functions. Meets IEC 61672 class 2 and ANSI S1.4 type 2 frequency and time weighting …

Records data onto removable SD Cards ROHS Compliant CE Mark 1-year warranty Reads relative humidity (RH) and ambient temperature dew point and wet bulb, and functions as a type K or J thermometer. Records data onto standard SD memory cards (like a digital camera). When full, simply exchange…

Reads gauge and differential pressure in non-corrosive and non-ionized air and gas, (not for use with liquids). Records data along with date and time onto standard SD memory cards (like a digital camera). When full, simply exchange SD cards for unlimited data storage. The removable SD card is easy…

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…

Features a large bar graph display, A & C decibel frequency weighting scales, min/max, peak, fast or slow response, AC or DC output, auto-power-off, low battery indicator. Covers 30 to 130 dB in the A & C scales with a resolution of 0.1 dB and an accuracy of ±1.4 dB (ref 94 dB@1KHz). Comes ready to…

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

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 …

Measure the RF strength of Wi-Fi and LAN, cell phone, radio and TV transmission towers, wireless cameras and microphones. Sper Scientific's 3-Axis RF Meter 840047 measures RF (Radio Frequency) electromagnetic field strength in the frequency range of 50 MHz to 3.5 GHz. The 3-Axis probe provides…

Standalone light meter that can also wirelessly display, log and transfer readings to your iOS or Android smartphone. Sper Scientific’s Bluetooth Light Meter is small, light, and simple to use with results displayed on the meter’s large, bright backlit display. Choose readings in lux or…

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…

This insulation tester is capable of measuring 250V, 500V or 1,000V test voltages and insulation resistance up to 2000M ohms. When undertaking power installations, the 420001-insulation tester can provide special help to test wiring. This unit can provide 125V, 250V, 500V and 1000V source for the…

Wirelessly display, log, and transfer readings. Sper Scientific’s Bluetooth® Sound Meter is small, light, and simple to use with results clearly displayed on the meter’s large 1.5” backlit display. Choose A or C decibel frequency weighting scales and manual or auto ranging. Indicates readings over…

Enables precise measurement of solar radiation power for the manufacture and installation of solar panels and environmental applications. Results appear in W/m2 or BTU/ft2 on a triple tier backlit display which shows a continually updated minimum, maximum or average reading. The display also shows…

The Basic pH Meter has large 7/8" high digits and a lightweight design. Ideal for both field and lab applications. Simple to operate and works with any electrode with a BNC connector. Measures the full 0 – 14 pH range with a high 0.01 pH resolution. Features 2 point calibration, hold function,…

Measures electro magnetic emissions from electrical power lines and power transmission, computer, HVAC, audio/video, and other electrical appliances and equipment milli-Gauss: 0.1 to 2000 mG, 0.1 to 1 resolution micro-Tesla: 0.01 to 200 µT, 0.01 to 0.1 resolution Accuracy:…

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…

Monitor up to 8 environmental parameters with one tiny instrument. Light weight, tiny size with simple, one-hand, operation. They are perfect for scientists, agricultural specialist, facilities managers, HVAC professionals, home inspectors, field technicians, health and safety personal, hazmat…

This portable meter is used for bolt torquing, torque wrench calibration, switch or contact closure measurement and other industrial, QC, and materials testing applications. Features 3 units of measure as well as hold, peak, min/max, fast/slow sampling, hi/low resolution auto power off and an RS232…