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Temperature Calibrators & Baths

ulti-channel Automatic Temperature & Humidity Calibration System

The IQSTH20 Multi-channel Automatic Temperature & Humidity Calibration System is developed in accordance with the national calibration specification JJF1101-2019 Calibration Specification for Temperature and Humidity of Environmental Test Equipment.

Product detail

The IQSTH20 Multi-channel Automatic Temperature & Humidity Calibration Systemis an automatic calibration system developed in accordance with the national calibration specification JJF 1101-2019 Calibration Specification for Temperature and Humidity of Environmental Test Equipment.
The complete system supports fully automatic calibration of equipment corresponding to the following specifications:
  • JJF 1376-2012 Calibration Specification for Box-type Resistance Furnaces

  • JJF 1093 (Min) -2018 Calibration Specification for Vacuum Drying Ovens

  • JJF 08-2017 Calibration Specification for Electric Thermostatic Water Baths

  • JJF 1101-2019 Calibration Specification for Temperature and Humidity of Environmental Test Equipment


Technical Parameters

  • Measurement channels:20 channels RTD / 40 channels thermocouple test channels, 8 channels humidity test channels

Measurement Range & Accuracy

Sensor TypeMeasurement RangeResolutionAccuracy
RTD (Pt100)(-200 ~ 800) °C0.01 °C±(0.01% RD + 0.05) °C
Thermocouple (Type S)(100 ~ 1800) °C0.01 °C±1.2 °C
Thermocouple (Type N)(-200 ~ 1300) °C0.01 °C±0.6 °C below 600 °C / ±0.1% RD above 600 °C
Humidity Sensor(0 ~ 100) %RH0.1 %RH±0.8 %RH
  • Scanning speed:0.1 second per channel

  • Integrated design:Instrument and enclosure integrated, compact structure, small size, easy to carry

  • Built-in large-capacity rechargeable lithium batteryfor use in environments without AC power; battery charges simultaneously when external power is connected

  • Wide temperature and humidity measurement rangecovering (-200 ~ 1800) °C and (0 ~ 100) %RH

  • Up to 28 channelsof simultaneous temperature and humidity measurement, including 20 temperature channels and 8 humidity channels; temperature channels can be flexibly configured as 4-wire RTDs or thermocouples, with automatic cold junction compensation for thermocouples

  • Imported high-accuracy humidity sensorseliminate the operational complexity of traditional wet-and-dry bulb humidity measurement methods

  • Manual and automatic correction functionsfor more accurate test results

  • Automatic temperature and humidity data acquisitionwith display in both curve and table formats; different colors for different channel curves, with customizable curve colors; curves can be recorded, zoomed infinitely and panned for convenient observation of temperature and humidity changes

  • Sensor layout schemes can be savedfor easy recall in subsequent tests

  • Powerful database managementstores years of test data; periodic testing can be performed automatically without re-entering sample information

  • Curve data import and exportin CSV format, openable in Excel for easy data exchange with other software

  • Data traceability function:Users can query measurement data at any point in historical records at any time

  • Automatic calculationof temperature and humidity deviation, uniformity and fluctuation; as well as maximum, minimum and average values; automatically generates calibration original records meeting national laboratory accreditation requirements

  • Data cropping function:No need to wait for temperature and humidity to stabilize before recording data. Real-time data can be recorded throughout the process, then visually cropped afterward, with 15 sets of calibration data regenerated based on the cropped region

  • Dedicated USB interfaceon the main unit — data can be saved to a USB drive first, then imported to a computer for cropping and generation of original records


Other Parameters

  • Dimensions:400 × 150 × 260 mm

  • Weight:3.5 kg

  • Battery:Built-in 4000 mAh rechargeable lithium battery