Thomas Meters

Lightweight and compact Wide measurement ranges Easy to operate Enviro Meter is four tools in one small and easy transportable hand-held unit. Anemometer, humidity meter, light meter and two thermometers all feature exceptional accuracy and reliability. Unit features a bright LCD digital display...

Specific Gravity @ 60°F Made from heavy-walled, annealed tubing for maximum strength Built-in non-mercury thermometer Lead-free ballast Each thermo-hydrometer comes with a Certificate of Conformance traceable to NIST. Bio-degradable, non-mercury performance liquid provides safe and easy cleanup...

These plain form hydrometers are available in a variety of models measuring the relative densities (specific gravity) of oil and petroleum products in various ranges from -1° to 101°API in accordance with the American Petroleum Institute (API) and the American Society of Testing Materials...

Air velocity ranges /resolution (see chart below for details) Accuracy is ±(1% full scale plus 1 digit) Temperature accuracy is ±0.8°C or 1.5°F Probe expands from 9 1/2 inches to 3 feet in length Features include minimum/maximum memory, data hold and Serial RS232 output. Unit...

Relative humidity range is 25 to 95% Resolution is 1% RH Accuracy is ±3% RH mid-range to ±5% elsewhere Temperature range is 0-50°C / 32-122°F Resolution is 1° Accuracy is ±1°C Meter may be used with bench stand and can also be wall mounted. Unit measures 3...

Used to determine the specific gravity of soil in the range of 0.995 to 1.038, or -5 to 60 g/L (using a weight by volume scale), these hydrometers conform to the accuracy requirements of ASTM hydrometers. 280mm (11”) long Lead free ballast and glass Individually serialized Temperature...

Convenient triple memories recall minimum/maximum readouts for relative humidity, dew point, and temperature. Simultaneously displays all three current readings. Always-on feature allows for monitoring conditions all night, over weekends, and for extended time periods. Audible and visual LED alarm...

Relative humidity range is 25 to 95% Resolution is 1% RH Accuracy is ±2% RH mid-range to ±4% elsewhere Temperature range is 32 to 122°F and 0 to 50°C Resolution is 1° Accuracy is ±1°C Use unit with bench stand or mount on wall. Meter offers minimum/maximum...

The labForce® TS-PH200 Portable pH Meter combines advanced digital processing technology and software design, specially designed for all types of professional pH measurements. The meter has a ±0.01 pH accuracy in a range of -2.00-19.99 pH., with 0-100°C Automatic Temperature Compensation (ATC), Auto...

The labForce® TS-PC200 Portable pH/Conductivity Meter combines advanced digital processing technology and software design, specially designed for all types of professional pH and conductivity measurements. The meter has a ±0.01 pH accuracy in a range of -2.00-19.99 pH., with 0-100°C...

Traceable® Pens for Conductivity, Dissolved Solids, and Salinity provides for conductivity, conductivity/total dissolved solids and salinity. Meters fulfill requirements for CAP, ASTM, NCCLS, CLSI, ACS, CLIA, AOAC, EPA, APHA, AWWA, WEF, USGS, USP, ISO and Federal/State regulations. Waterproof...

Digital Barometer is the perfect unit for plants, labs, and all other environments where there is a need to monitor conditions of environmental air parameters. A four-line LCD continuously and simultaneously shows barometric pressure, temperature, relative humidity, barometric pressure trend and...

Features three decibel ranges for greater precision Low decibel range: 35.0 to 80.0 dB; medium decibel range: 50.0 to 100.0 db; and high decibel range: 80.0 to 130.0 dB Resolution is 0.1 dB and accuracy is ±2 dB Unit provides weightings for both A and C frequencies to meet IEC 651 Type 2 standards...

These plain form hydrometers are available in a variety of models measuring specific gravity / relative density (g/cm 3 ) of liquids lighter and heavier than water in various ranges from 0.690 to 2.000. Commonly used in industries such as food and beverage, chemical, pharmacology, transportation,...

The labForce® TS-B200 Portable pH Meter is designed for professional pH measurement of for brewing, such as beer, wine, kombucha, juice, etc. The 3-in-1 Glass pH/Temperature Electrode adopts a Long-Life reference system, and a patented pH/temp. dual sensor structure, making precise beverage pH...

Color correction filter Unit recalls highest, lowest and average readings Analog output for strip and chart recorders (0.1 millivolts per digit) Accuracy is ±(5% plus 2 digits) Ranges in Lux are 0 to 1999 (1 Lux resolution), 2000 to 19,900 (10 Lux resolution) and 20,000 to 50,000 (100 Lux...

Liquids heavier than water Specific gravity plain form hydrometers cover a variety of ranges and are for liquids heavier than water. Plain form hydrometers measure 165mm (6.5”) length, have 0.005 divisions and temperature of standardization is 60°F/60°F. 1234K71 has a range of...

Dual displays show lux or foot-candles, or percent differential from a reference point, and the selected light source (daylight, tungsten, fluorescent, or mercury). Traceable® light meter has computer output that allows it to be connected to a computer or data logger for monitoring and keeping...

Degrees API @ 60°F Made from heavy-walled, annealed tubing for maximum strength Built-in, non-mercury thermometer Lead-free ballast Conforms to ASTM accuracy requirements Each thermo-hydrometer comes with a Certificate of Conformance traceable to NIST. Bio-degradable, non-mercury performance liquid...

Specific Gravity and Baume Scales @ 60°F Made from heavy-walled, anneealed tubing for maximum strength Built-in non-mercury thermometer Lead-free ballast Conforms to ASTM accuracy requirements Each thermo-hydrometer comes with a Certificate of Conformance traceable to NIST. Bio-degradable,...

The labForce® TS-W200 Portable pH Meter is designed for professional pH measurement of purified water such as drinking/RO/distilled/deionized water and other low ion-concentration solutions. The 3-in-1 Glass pH/temp. Electrode uses a moveable sleeve junction, Long-Life reference system, and a...

The labForce® TS-WW200 Portable pH Meter is designed for professional pH measurement of wastewater, emulsions, and suspensions. The equipped 3-in-1 POM pH/Temp. Electrode uses Polymer electrolyte, Long-Life reference system, and a patented pH/temp. dual sensor structure, making precise...

Used to determine proof of ethyl alcohol spirits, these hydrometers are available in various ranges from 0 to 206%. 300mm (12”) long Lead free ballast and glass Made according to the Bureau of Internal Revenue, U.S. Treasury Department, the tolerances listed for these hydrometers are those...