Mastercool 52228 Digital Differential Thermometer

The Mastercool 52228 Digital Differential Thermometer is a professional-grade tool designed for HVAC technicians, offering precise temperature measurements for air conditioning and refrigeration diagnostics. Compatible with K-type thermocouples, this versatile instrument supports single and dual-point temperature readings and differential measurements, making it ideal for troubleshooting complex systems.

Key Features

• Wide Temperature Range: Measures from -50°C to 1300°C (-50°F to 1999°F), suitable for a variety of HVAC applications.
• Dual Input Capability: Features T1 and T2 thermocouple inputs to measure two points simultaneously and calculate the difference (T1-T2).
• Clear Display: 3.5-digit LCD with 14mm high characters, displaying up to 1999, with indicators for data hold, max hold, low battery, and temperature scale (°C/°F).
• User-Friendly Controls: Includes buttons for power, max hold, data hold, °C/°F switching, and T1/T2 or differential mode selection.
• Offset Adjustment: Allows fine-tuning for optimal accuracy with specific thermocouples at particular temperatures.
• Long Battery Life: Powered by a 9V alkaline battery, providing approximately 200 hours of operation.
• Included Probes: Comes with two 3ft (1m) K-type thermocouple probes for immediate use.
• Error Indication: Displays "OL" for open or unconnected thermocouples and "000" in T1-T2 mode if no probes are connected.

Applications

The Mastercool 52228 is perfect for HVAC professionals working on air conditioning, refrigeration, and heating systems. Use it to measure temperatures of liquids, gels, air, or surfaces with optional probes (sold separately), such as penetration, surface, or air probes. Its differential measurement capability is especially useful for diagnosing temperature variations in complex systems, ensuring efficient and accurate troubleshooting.

Technical Specifications

Safety Information

To ensure safe operation, do not use the Mastercool 52228 with voltages exceeding 24V AC or 60V DC, as the probe tip is electrically connected to the output terminals. Always check thermocouple connections before use to avoid errors. The device should be recalibrated annually to maintain accuracy, using specialised equipment as outlined in the manual.

Included Accessories

• Two 3ft (1m) K-type thermocouple probes (52331)
• 9V alkaline battery
• User manual

Optional Accessories

• 10ft (3m) Thermocouple Probe (52332) – For hard-to-reach areas
• Piercing/Penetration Probe (52333) – For liquids, gels, or air
• Surface Probe (52334) – For flat or curved surfaces
• Air Probe (52335) – For air temperature measurements

Why Choose Mastercool 52228?

With its robust design, high accuracy, and versatile functionality, the Mastercool 52228 Digital Differential Thermometer is a must-have for HVAC professionals in the UK. Whether you’re servicing commercial refrigeration units or residential air conditioning systems, this tool delivers reliable results, backed by Mastercool’s reputation for quality. Order now from Aircon Spares to enhance your diagnostic capabilities.