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Temperature Calibrators & Baths

Portable Intelligent Dry Block Calibrator
The IQS60X Series Portable Intelligent Dry Block Calibrator is a smart temperature calibration instrument featuring easy operation, portability, fast heating and cooling, excellent stability and strong anti-interference performance.
It can calibrate temperature instruments including RTDs, thermocouples, thermistors, temperature transmitters and temperature switches, and is widely used for on-site temperature instrument calibration in metrology, petroleum, electric power, petrochemical, metallurgy, pharmaceutical, machinery, biotechnology, food and other industries.


Product detail

Product Introduction

The IQS60X Series Portable Intelligent Dry Block Calibratoris a smart temperature calibration instrument featuring easy operation, portability, fast heating and cooling, excellent stability and strong anti-interference performance.
It can calibrate temperature instruments including RTDs, thermocouples, thermistors, temperature transmitters and temperature switches, and is widely used for on-site temperature instrument calibration in metrology, petroleum, electric power, petrochemical, metallurgy, pharmaceutical, machinery, biotechnology, food and other industries.

Product Features

  • Excellent horizontal and vertical temperature fields

  • Fast heating and cooling: 45 °C to 650 °C in just 20 min; 650 °C to 40 °C in just 40 min

  • 5-inch touchscreen display with simple operation and clear visibility

  • Compact size, light weight, easy to carry

  • Robust protection functions: load short-circuit, load open-circuit, sensor protection, over-temperature protection

  • Strong anti-interference performance, ideal for on-site temperature instrument calibration

Temperature Technical Specifications

ItemIQS601 / IQS601AIQS602 / IQS602AIQS603 / IQS603A
Temperature Range(-20 / -30 / -45 ~ 150) °C (optional)(45 ~ 650) °C(100 / 300 ~ 1200) °C
Heating Rate-45 °C to 30 °C: 20 min
30 °C to 150 °C: 35 min		45 °C to 650 °C: 20 min30 °C to 1200 °C: 65 min
Cooling Rate150 °C to 20 °C: 15 min
20 °C to -45 °C: 35 min		650 °C to 45 °C: 40 min1200 °C to 30 °C: 95 min
Accuracy≤ ±0.1 °CBelow 400 °C: ≤ ±0.35 °C
400–650 °C: ≤ ±0.5 °C		≤ ±1.2 °C
Insertion Depth160 mm150 mm135 mm
Insert Block Diameter32 mm32 mm39 mm
Insert Holes (Customizable)4, 6, 6, 8, 10 mm
4, 6, 8, 10, 12 mm		6.5, 6.5, 8, 10 mm
Temperature Field Stability≤ ±0.02 °C≤ ±0.05 °C≤ ±0.2 °C
Horizontal Temperature Field≤ ±0.05 °C≤ ±0.05 °C≤ ±0.25 °C
Vertical Temperature FieldDeviation ≤ 1 °C within 30 mm from bottom of insert block holeDeviation ≤ 1 °C within 10 mm from bottom of insert block hole
Weight13 kg11 kg—
Dimensions300 × 200 × 350 mm246 × 148 × 300 mm—
Max Power300 W1200 W3000 W
Temperature Units°C or °F

Temperature Control Accuracy0.1%

Display Resolution0.1 °C or 0.01 °C

Operating EnvironmentAmbient temperature 0 ~ 50 °C, relative humidity ≤ 95% (non-condensing)

Power Supply220 VAC ± 10%, 45 ~ 60 Hz; 110 VAC ± 10% optional

Electrical Measurement Technical Specifications (IQS601A / IQS602A / IQS603A)

  • Electrical measurement channels:3 channels — 1 standard channel, 2 multifunction measurement channels

  • Multifunction measurement channels:Current / voltage / resistance measurement, DC 24V output, switch measurement, etc.

Standard Channel


TypeMeasurement RangeAccuracy
Thermocouple (S / R / B)(-18 ~ 18) mV±(0.005% RDG + 2 μV)
RTD (ITS-90)(0 ~ 400) Ω± 0.002 Ω

Test Channel


TypeMeasurement RangeAccuracy
Thermocouple (S / R / K / B / N / J / E / T / C / D / G / L / UD, etc.)(-75 ~ 75) mV±(0.01% RDG + 8 μV)
RTD (PT100 / PT25 / PT50 / PT200 / PT500 / PT1000 / CU10 / CU50 / CU100, etc.)(0 ~ 400) Ω / (0 ~ 4000) Ω± 0.002 Ω
Current(-30 ~ 30) mA±(0.01% RDG + 2 μA)
Voltage(-30 ~ 30) V±(0.01% RDG + 0.6 mV)


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