Portable Field Dry-Block/Wet Calibrator –（-50℃~140℃) – 0.2℃ Accuracy

The Low Temperature Dry Block/Wet Calibrator (-50℃ to +140℃) delivers consistent, precise, and uniform temperature settings with rapid stabilisation, making it highly efficient for both laboratory and field applications. Designed for portability and convenience, it is widely used for the calibration of temperature sensors, standard thermometers, thermocouples, thermal resistors, and dilatation thermometers.

By eliminating slow heat-up times and temperature inaccuracies often found in cheaper calibrators, the UCI-ST-AS-CAL provides faster calibration cycles, higher accuracy, and long-term reliability. Its advanced heating principle design, combined with rapid cooling and intuitive operation, ensures maximum efficiency and meets international calibration standards.

Key Features

• Ultra-Wide Temperature Range: -50℃ to +140℃ for versatile calibration needs.

• Dual-Mode Functionality: Supports both dry block calibration and wet calibration using inserts or liquid (e.g., anhydrous ethanol).

• Fast Heat-Up & Cooling: Reaches maximum temperature in ~20 minutes and minimum temperature in ~45 minutes.

• High Accuracy & Stability: ±0.2℃ accuracy and ±0.05℃ stability for reliable results.

• Uniform Temperature Distribution: Axial uniformity within 1℃ (40 min) and radial uniformity 0.1–0.2℃.

• Lightweight & Portable: Compact design (only 6–10kg) for easy transport.

• Advanced Interface: LCD touch screen with simple, intuitive operation.

• Data Management: Built-in data logging and USB interface for data export.

• Automatic Switch Test: Automatic ramping and recording of switch points.

• Safety & Compliance: Over-temperature and short-circuit protection, CE and RoHS certified.

Technical Specifications

Parameter	Specification
Temperature Range	-50℃ to +140℃
Accuracy	±0.2℃
Stability	±0.05℃
Axial Uniformity	≤ 1℃ within 40 min
Radial Uniformity	0.1℃ – 0.2℃
Resolution	0.01℃
Display	LCD display (℃ / ℉)
Heating Time	To +140℃ in approx. 20 minutes
Cooling Time	To -50℃ in approx. 45 minutes
Block Depth	160mm
Insert Diameter	24.8mm, with interchangeable multi-hole inserts (3–12mm dia)
Stable Time	15 minutes
Dimensions	310 × 190 × 340 mm
Weight	6–10kg (depending on configuration)
Power Supply	100–115V AC ±10% or 200–230V AC ±10%, 50/60Hz, 575W
Fuse	115V: 6.3A T 250V / 230V: 3.15A T 250V
Operating Conditions	0℃ to +35℃, 30–80% RH (non-condensing), <2000m
Storage Conditions	-20℃ to +60℃, 0–90% RH (non-condensing)
Certifications	CE, RoHS compliant

Applications

• On-site calibration of temperature sensors, thermocouples, RTDs, and thermometers

• Quality control in pharmaceutical, food, machinery, and chemical industries

• Dry block mode: Quick probe calibration without fluids

• Wet calibration mode: For sensors requiring fluid immersion with higher thermal transfer

• Industrial laboratories and service teams requiring portable, accurate calibration