The name “Ludwig Schneider” has stood for the highest quality and precision “Made in Germany” since 1910. It all started back then with the development of high-quality temperature measuring instruments. Today we are manufacturers of high-precision measuring technology for temperature and density. Together with our extensive product range and our modern accredited calibration laboratory, we offer our customers an all-round service that is almost unique in the industry.
Thermometers and hydrometers from Ludwig Schneider GmbH & Co. KG are used all over the world and numerous companies rely on the high precision of our instruments. In order to be able to meet this demand in the future, we work closely with our customers and suppliers. This results in innovative solutions that are fully convincing both technically and economically – today and in the future.
The Products of
ELECTRICAL CABLE SENSORS
Electrical temperature sensors are used in numerous industrial processes to record temperature values. Possible applications can be found in a wide variety of industrial processes, laboratory and medical applications and in the pharmaceutical sector.
THERMOCOUPLES MANUFACTURERS
Thermocouples are based on the thermoelectric effect and are characterized by a robust structure and a very good volume/temperature range ratio. However, please note the higher temperature tolerance classes and the increased installation effort.
RESISTANCE THERMOMETER
Resistance thermometers are manufactured and used today in a wide variety of designs. The structure of a resistance thermometer is basically characterized by a measuring resistor, a corresponding housing and the necessary connection option.
GLASS THERMOMETER
Glass thermometers measure precisely, independently of the power supply and cost-effectively. Their resistance to aggressive media means they can be used universally. Calibrated instruments also serve as test standards for monitoring other instruments. They meet national and international standards and norms.
We also offer many types of glass thermometer with environmentally friendly, mercury-free filling. Our glass thermometers can also be manufactured with high-quality safety coating (FEP/PTFE) upon request. This increases safety – especially in the food sector (HACCP).
We will be happy to provide you with a factory test certificate or traceable DA kk S calibration certificate upon request.
ACCU-SAFE THERMOMETER
ith our ACCU-SAFE thermometers, you can measure precisely and reliably in accordance with the tolerance limits set by ASTM – and without any mercury! These ACCU-SAFE instruments are environmentally friendly and ideal for a wide range of laboratory applications. They are available with acid and alkali-resistant graduations and with high-quality safety coating (FEP/PTFE).
LABORTHERMOMETER
Our laboratory thermometers will be applicable in all sectors of technology and science, in which especially precise temperature measurements be in progress. Common norms specifications like DIN and ISO are complied with, of course. Our precision thermometer sets offer manifold applications for precise measurements in laboratories.
ASTM-IP-BS THERMOMETER
Our laboratory thermometers will be applicable in all sectors of technology and science, in which especially precise temperature measurements be in progress. Common norms specifications like DIN and ISO are complied with, of course. Our precision thermometer sets offer manifold applications for precise measurements in laboratories.
GENERAL PURPOSE THERMOMETER
General purpose thermometers, also mentioned as chemical thermometers, are designed for daily use in laboratories or the educational system. They are easy to handle, universally usable and particularly favourable in price. Our general-purpose thermometers are available with acid- and alkali-resistant graduation and as well with high-grade transparent safety coating (FEP/PTFE). We gladly supply a works calibration certificate or a traceable DAkkS calibration certificate upon request.
METEOROLOGICAL THERMOMETERS
We offer you a wide range of measuring instruments for meteorology, geology, climate measurements, chemical analytics as well as industry and research applications.
SPECIAL THERMOMETERS
There you will find a comprehensive portfolio of precision measuring instruments for special applications e.g. test equipment to monitor ultralow freezers, freezers, cooling chambers, blood bank freezers, incubators, heat chambers and room climate. We gladly supply a works calibration certificate or a traceable DAkkS calibration certificate upon request. On request you can also get a high-quality safety coating (FEP/PTFE).
HYDROMETER
The hydrometer is a measuring instrument for determining the density or specific gravity of liquids. The instrument is immersed in a liquid until the weight force of the displaced liquid corresponds to the weight force of the immersed body. Hydrometers are used, among other places, in laboratories, dairies or wineries (must scales) used.
ALCOHOLOMETERS
lcoholometers are used to determine volume concentration or content of alcohol in alcohol-water-mixtures. The percentage of alcohol content can be read directly from the scale. They are available either as range finders (0-100 percent by volume) or as finely scaled hydrometer sets. Precision alcoholmeters can be implemented either with or without thermometer. Integrated thermometers are available with organic, environmentally-friendly filling.
API HYDROMETERS
he API gravity describes the unit for the density of crude oil. You will receive our precision hydrometers in degree API acc. to ASTM E100-19 and ASTM E2995-15a and also in versions with or without integrated thermometers.
HYDROMETERS MADE OF PLASTIC
he plastic hydrometers made completely of durable polycarbonate dispose of a high degree of precision and reproducibility. hanks to their breakage resistance they are suitable for many areas of applications in the food, pharma and cosmetics industry.
HYDROMETERS FOR LIQUID GASES
Precision hydrometer for liquid gases are used for measurements in liquid hydrocarbons as e.g. propane, butane, mixtures there of or like media To retain liquidity a pressure of up to 15 bar is possible at +15 °C. The thermometer tube is enclosed in an additional glass guard which helps avoid faulty reading due to pressure to the thermometer tube.. Common norms specifications like DIN 12804 and ASTM E100-19 are complied with, of course.
HYDROMETERS FOR MINERAL OILS
Precision hydrometers for mineral oils are used to determine the density of benzine, petrol, kerosene, diesel and heavy fuel. Our precision hydrometers are in versions with or without integrated thermometers available.
HYDROMETERS FOR DAIRIES
Lactometers are used to supervise and control production in dairies, the cheese industry, milk processing plants, and laboratories. They determine the density of milk, skim milk, buttermilk, condensed milk and other liquids of the dairy industry.
The different shapes of the instruments and their ranges are adapted to their use. Hydrometers for dairies in versions with or without integrated thermometers available. Because of the opaqueness of milk these instruments are always to be read at the top, and the scale is at the top of the stem. The instrument has a thermometer in body. We offer our lactometers with eco-friendly, mercury-free filling.
HYDROMETERS FOR MUST PRODUCERS
Hydrometers for must producers are required for the determination of extracts as well as the determination of the alcohol and sugar content of fruit juices, must and wine. The must scale is used to determine the must weight. Our hydrometers for must producers are available with a double scale for density determination and alcohol content as well as with or without integrated thermometer.
HYDROMETERS FOR SPECIFIC GRAVITY
Use our high-quality hydrometers for the determination of the specific weight of liquids according to ASTM E100-19. Upon request our hydrometers are available with an integrated thermometer.
HYDROMETERS ACCORDING TO BAUME
The hydrometer is a measuring instrument for determining the density or specific gravity of liquids. The instrument is immersed in a liquid until the weight force of the displaced liquid corresponds to the weight force of the immersed body. For an accurate density measurement and a precise measurement result, make sure to use a container (standing cylinder, see accessories) with the appropriate size or capacity. In addition, the temperature of the medium should correspond to the reference temperature of the instrument (usually +15 to +20 °C).
DENSITY HYDROMETERS
Use our high-quality hydrometers for the determination of the density of liquids and ground measurement according to ASTM E100-10. Upon request our hydrometers are available with an integrated thermometer.
SACCHARIMETERS
Saccharimeters are used to determine sugar content in sugar refineries, beer wort in breweries as well in laboratories to monitor the production. Each instrument type has a marking as to what is to be used for, e.g. saccharimeters for saccharose solutions or saccharimeters for the determination of beer wort. Our saccharimeters are with or without integrated thermometer and also as plastic version available
DIGITAL THERMOMETERS
This category encompasses everything you need for your area of application, from universally usable digital thermometers to precise reference measurement systems: Whether in quality assurance or process monitoring, the food industry or production control, the chemical or pharmaceutical industry or in research and development. In particular in high temperature ranges (>> 250 °C) our digital measurement devices replace the conventional mercury-filled glass thermometers. On request, we can supply measuring chains with a factory test certificate or a traceable DAkkS calibration certificate.
DIGITAL THERMOMETERS – UNIVERSAL THERMOMETERS
se digital universal thermometers for a wide range of purposes, such as the determination of the core temperature of food (HACCP) with the insertion tip or the determination of the temperature of solutions by immersion. Our digital thermometers are simple and reliable in operation and especially cost-effective.
DIGITAL THERMOMETERS – DATA LOGGERS
Data loggers are measuring devices and are used to record temperature values and trends. You are invited to the Suitable for monitoring processes over a longer period of time. This is for example necessary to ensure cold chains or for the verification of the temperature stability of reference devices. Our high quality data loggers enable rapid and exact temperature recording directly on location. The multi-point adjustment of the PHYSICS series offers precision at the highest level possible.
DIGITAL THERMOMETERS – CONTROL THERMOMETERS
Control thermometers help you in and ensuring the correct temperature. They are amongst other applications used in freezers, fridges or incubators. Our high quality control thermometers are provided by default with a certificate of conformity.
DIGITAL THERMOMETERS – HANDHELD MEASURING DEVICES
We offer robust, digital hand-held meters for diverse industries as well as highly precise, digital measurement systems for laboratories. The associated temperature sensors are manufactured in our company in the designs cable thermocouples and cable resistance thermometers. Our high quality hand-held meters allow you to measure multiple measuring points simultaneously with one device (multichannel).
Our PHYSICS series offers the highest precision through multi-point adjustment. By means of real-time recording or logger function it is furthermore possible to make rapid and precise temperature recordings directly on site.
ENGINE GLASS AND DIAL THERMOMETER
Engine thermometers and dial thermometers are modern, reliable temperature measuring devices and are naturally manufactured in our company in accordance with DIN standards. Thanks to their functional form and extremely robust design they are suitable for nearly all areas of application and offer manifold installation options.
Our engine thermometers and dial thermometers have truly proven their worth in deployments in diesel engines, turbines, power plants and compressors. They are used and valued in various applications in shipbuilding, in cooling and heating technology, the chemical and petrochemical industry, the energy industry as well as in general engineering and apparatus engineering. To meet your accuracy requirements our products are subject to thorough checks after each manufacturing step as well during the final inspection.
ENGINE GLASS THERMOMETERS
Engine glass thermometers are liquid-filled thermometers. They offer particularly easy installation double-functioned with good and reliable readability. Thanks to their wear resistance, our high-quality engine glass thermometers have an extremely high service life and are low in maintenance. If necessary, the individual components can be replaced easily.
Engine glass thermometers from Ludwig Schneider have truly proven their worth in deployments in diesel engines, turbines, power plants and compressors. They are used in various applications in shipbuilding, in cooling and heating technology, the chemical and petrochemical industry, the energy industry as well as in general engineering and apparatus engineering.
DOUBLE-FUNCTION ENGINE GLASS THERMOMETERS WITH ELECTRICAL PROBES
Double-function engine glass thermometers are manufactured as special engine thermometers with additionally integrated Pt100. This allows you to read the current temperature at the engine glass thermometer and to use the temperature measured with the Pt100 for remote visualization or measurement processing.
Our double-function engine glass thermometer is available with one or two Pt100 units. The connection is affected with a 3-wire circuit when using a Pt100. If a thermometer with two Pt100 units is used they are operated in 2-wire circuit.
We would also be happy to optionally deliver the thermometer with an integrated 4 … 20mA interface to reduce interference at a long connection cable. In this case the 4 … 20mA interface is installed with an additional connection head.
DIAL THERMOMETERS
Thanks to their simple structure bi-metal dial thermometers are cost-effective temperature measuring instruments and have proven to be versatile. The many different versions allow a wide variety of applications and industries.
On the other hand, gas-filled precision dial-thermometers react rapidly and have a high and consistent display accuracy of ±1 % of the full-scale value. With rigid shaft and long-distance piping these can supplied up to 40 m.
Exhaust gas dial thermometers are especially robust, water-, dust- and oil-tight and furthermore react rapidly. Their liquid filling stabilizes them against strong vibrations. They are corrosion protected and have a high service life even under hard conditions.
The dials of our dial thermometers are adapted to application-specific requirements The scale division and figures depend on the respective dial size. As part of a special version we gladly realize special inscriptions or coloured markings on the figure We look forward to your inquiry If required, we gladly also provide a works calibration certificate.
WATER TRIPLE POINT CELL
The water triple point is the most accurately representable fixed point of the 1990 International Temperature Scale (ITS 90). It is 0.01 °C or 273.16 Kelvin. The accuracy is 0.0001 °C. Due to the high thermal equilibrium of this fixed point, the water triple point cell is optimal for high-precision calibration (e.g. e. g. of platinum resistance thermometers).
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