SJ Gauge
What is a temperature probe? What are the differences in wiring between thermocouples and RTDs? How should you choose among K, N, S, E, and J types?
It is common practice to refer to both thermocouples and resistance temperature detectors (RTDs) as temperature sensors, but in fact they are two different things. This page mainly discusses thermocouple wiring types, not RTDs. If this causes any misunderstanding, we…
Dial Thermometer Selection Principles: Six Key Points for Purchasing Dial Thermometers!
How do you choose a thermometer?If your application requires accurate and stable temperature measurement while ensuring the safety of both equipment and operators, selecting the right dial thermometer is essential. Choosing the wrong instrument may result in gauge damage, inaccurate…
Why are thermometers often inaccurate? What causes errors in temperature measurement?
Temperature measurement is critical in many processes, such as determining whether a reaction is complete and ensuring product quality. However, errors can easily occur due to heat transfer, convection, and other factors. What are the main causes? 1. Measurement location…
New Release: SJ Smart Transmitter Series | Featuring Advanced HART® Communication Technology
SJ Gauge is pleased to announce the official launch of our new Smart Transmitter Series in June 2023. This series of products adopts HART® (Highway Addressable Remote Transducer) communication technology. HART® is a bi-directional communication protocol that provides data access…
The Difference Between Bimetal and Gas Expansion Thermometers?
There are many types of industrial thermometers. Among them, the common types are bimetallic and gas expansion thermometers. However, some people are often confused about the advantages and disadvantages between these thermometers. So let’s look at the differences between these…
National Voluntary Laboratory Accreditation Program (NVLAP) | Diversified After-sales Service Certification
NIST[1] authorized — Accredited by the National Voluntary Laboratory Accreditation Program NVLAP — Additel [2]’s calibration laboratory in California has passed the ISO/IEC 17025 [3] inspection standard, and is a leading global supplier of measurement calibration instruments. SJ Gauge introduces…
SJ Gauge Accredited for Measurement Business Qualification, Bureau of Standards, Metrology and Inspection (MOEA)
We are pleased to announce that SJ Gauge has achieved 25 consecutive years of accreditation from the Bureau of Standards, Metrology and Inspection, M.O.E.A. This recognition affirms our consistent commitment to excellence and signifies our leading position in the field…
D&B D-U-N-S® Registered™｜Global Enterprise Verification｜Trusted Goodwill and Credit
SJ Gauge was certified by D-U-N-S® Registered™ in December 2022, making it easy for buyers or partners around the world to view and confirm that SJ Gauge is a reputable company dedicated to financial transparency. Dun & Bradstreet (D&B) is…
The Accuracy Class and Limits of Error of Dial Thermometers
The accuracy of dial thermometers is crucial in industrial processes and decision-making. However, this important step is often overlooked in our daily use of temperature-measuring tools, with many assuming that temperature sensors are always accurate — a common misconception. Whether…
The Accuracy Grade and Tolerance Error of Dial Pressure Gauges
The accuracy of dial pressure gauges is crucial in industrial processes and decision-making! Inaccurate pressure gauges can lead to errors in industrial processes or any decisions involving pressure range limitations, potentially resulting in catastrophic outcomes. No matter how exact the…