Temperature Calibration

About Temperature Calibration

Temperature calibration refers to the calibration of any device used in a system that measures temperature. Thermometers are typically calibrated by placing them in a stable temperature environment (heat source) and comparing their output to that of a calibrated "reference thermometer" or "standard thermometer." We have an assortment of calibrators and a plethora of accessories to explore to bolster your equipment. If you have any questions or would like assistance please get in touch.

Popular Products

• Isotech Isocal 6 Venus 4951 Temperature Calibrator: A multifunctional, adaptable, and highly accurate calibration instrument. Suitable for calibrating all temperature sensor types, oil temperature indicators (OTI), and winding temperature indicators (WTI) used in power generation, transmission and distribution. Basic, Onsite, and Advanced versions are available.

• Sika TP 3M Multifunction Premium Temperature Calibrator: Four functions in one calibrator that can calibrate with a resolution of up to 0.001 ℃ / K. These premium models have a large touch screen displaying the reference, target, and devices under test temperatures. Dry Block, Surface, and Infrared options are available.

• Fluke 7109A Portable Calibration Bath: Designed to calibrate multiple sanitary sensors and RTDs simultaneously. Available in two models, one with process electronics and one without process electronics. Process electronics facilitate the user's ability to connect an external reference probe to the calibration bath.

• ETI 822-950 Calibration Water Bath: This water bath calibrates thermometers and temperature probes using the comparison method. A compact, accurate, and reliable verification system has a temperature range of 25°C to 95°C. It has a capacity of 5 litres and includes a variable flow/ speed pump of 0 to 20 litres per minute.

• Hikvision DS-2TE127-G4A Black Body: A thermal camera calibrator that measures material emissivity and the parameters of the infrared sensor. It also transmits temperatures between the infrared emitter and the thermal camera.

• Sika TP 37 Multifunction Premium Temperature Calibrator: The TP series have a user-friendly interface and robust data logging capabilities. Their multifunctionality enables users to Calibrate temperature sensors, thermocouples, and infrared thermometers. Dry Block, Surface, and Infrared options are available.

• PASS PTC-8 Thermocouple Calibrator: The PASS PTC-8 is a compact, simple-to-use thermocouple calibrator that can measure and simulate up to 8 types and a voltage in mV. It can also conduct calibration without removing the target device. The extended battery life helps you comfortably manage your business while in the field.

• Time Electronics 7000 RTD Temperature Calibrator: Monitoring and simulation modes provide several different values when using the calibrator. It can check seven different RTD types, including PT100. The Time Electronics 7000 has a precision digital thermometer and an RTD/ohms calibrator, complemented by a 24-hour battery life.

• Comark KM20REF Reference Thermometer: While this product sometimes gets overshadowed by trendier counterparts, it offers solid performance and functionality at a fraction of the cost. It delivers remarkable value and intelligent performance, making it a savvy choice in today's market.

• Fluke 1524-256 2-Channel Handheld Thermometer: Functions as a tester and a temperature data logger with a 2-channel system for simultaneous measurements and comparisons. The Fluke 1524-256 has three sensors. PRT, Thermocouple, and Thermistor. View measurements via the 128 x 64-pixel, backlit LCD.

• ETI 222-055 Reference Calibration Thermometer: This thermometer is ideal for comparison calibration checks, featuring a temperature measurement range from -199.99 to 199.99°C and a resolution of 0.01°C. It has a permanently attached high-accuracy PT100 sensor probe, offering 1/10th DIN precision. The ETI 222-055 also includes a standard 5-point UKAS calibration certificate.

• Fluke PRT Smart Connector (Grey Cap): An intelligent (INFO-CON) connector is Suitable for use with the Fluke 1523 and 1524 Reference Thermometers. This connector works best with platinum resistance thermometers (PRTs).

• Temperature Calibrator Accessories: With over 100 products in this category, you'll find everything from stir bars to inserts to complete your temperature calibration setup.

FAQs

• What is temperature calibration, and why is it important?
  Temperature calibration involves checking and adjusting temperature measuring devices to ensure they provide accurate readings. Regular calibration helps meet industry standards, improves safety, and ensures equipment works efficiently. By identifying potential issues early, calibration also extends the life of the devices and reduces the risk of costly mistakes or safety problems.

• How often should temperature sensors and instruments be calibrated?
  Generally, annual calibration is most common, but additional checks may be necessary for sensors in extreme conditions or critical processes. It is essential to follow the manufacturer's recommendations. The frequency depends on several factors, including the type of device, how regularly it's used, industry requirements, and the environment it operates in.

• What are the different methods of temperature calibration?
  There are several methods for calibrating temperature sensors and instruments, each suited to different applications. Comparison calibration involves checking the device's readings against a standard reference thermometer. The fixed-point calibration uses known temperature points, such as the melting point of ice (0°C) or the boiling point of water (100°C), to verify accuracy.

  Point calibration tests the device at specific points within its range, while dry block calibration uses a device that provides precise temperature control for accurate checks. Liquid bath calibration immerses the sensor in a controlled-temperature liquid for consistency, and infrared calibration compares the readings of non-contact sensors to those from a calibrated contact thermometer. The method chosen depends on the specific needs and desired accuracy.

• How can I calibrate a thermometer at home or on-site?
  The ice water and boiling water methods can calibrate your thermometer. However, they can be inaccurate because of variations in altitude, atmospheric pressure, and water purity.

  Ice water method. Fill a glass with ice and cold water, stir, and insert the thermometer probe, which should read 0°C (32°F).

  The boiling water method. Boil water, insert the probe, and it should read 100°C (212°F) at sea level. Make any necessary adjustments based on the discrepancies observed, and take care when handling boiling water.

• How do I troubleshoot inaccurate temperature readings after calibration?
  Recalibrate the sensor according to the manufacturer's guidelines, check for sensor drift, ensure proper sensor placement, inspect wiring and connections for damage, shield the sensor from electromagnetic interference, and review environmental factors. These steps should help identify and resolve any issues.

• What's the difference between NIST traceable and ISO/IEC 17025 calibration?
  NIST traceable calibration certifies that the lab or manufacturer in question is equipped and able to calibrate equipment to National Institute of Standards and Technology (NIST) standards. It also ensures that the standards used to calibrate a device can be traced back to NIST through an unbroken chain of measurements. A calibration certificate indicates this traceability, providing confidence in the accuracy and reliability of the calibration results.

  ISO/IEC 17025 calibration is an internationally recognized accreditation that ensures measurement traceability and assesses the competence of calibration laboratories. This accreditation involves regular audits and evaluations of the laboratory's procedures and staff qualifications. Additionally, ISO/IEC 17025 calibration includes the provision of detailed measurement uncertainty, helping users understand the reliability of the measurement results.

• What are the acceptable error limits or tolerances for temperature instruments?
  Acceptable error limits or tolerances for temperature instruments vary depending on the type and application. Always consult manufacturer specifications and industry standards for specific tolerances related to particular instruments.