Standard Thermometer Kit for HVAC

The ETI Standard Thermometer Kit for HVAC is a smartly packaged solution tailored for heating, ventilation, and air conditioning professionals. At its core is the versatile ETI Therma Differential Thermometer, capable of simultaneously measuring two points or capturing the temperature differential—ideal for tasks like radiator balancing and fluid diagnostics.

The kit includes two precision pipe clamp probes, a durable zip-up pouch for safe storage, and arrives with a free traceable calibration certificate, ensuring measurement reliability from the moment it’s unboxed.

Key Features:

• Complete Kit for HVAC Tasks
  Includes the ETI Therma Differential Thermometer (231-022), two pipe clamp probes (133-040), and a protective zip pouch (830-090). 

• Therma Differential Thermometer Highlights

  • Measures T1, T2, or the difference (ΔT) between two Type K probes.

  • Temperature range: –99.9 °C to 299.9 °C at 0.1 °C resolution and up to 1,372 °C with 1 °C increments.

  • Accuracy: ±0.4 °C ± 0.1% of reading.

  • Long battery life (~7,500 hours on 3×AAA), with a backlit 15 mm LCD display that shows Max/Min, hold, low-battery and open-circuit alerts.

  • Built-in durability with an IP66/67-rated ABS housing, Biomaster antimicrobial protection, two-year UK warranty, and a free traceable calibration certificate.

• Pipe Clamp Probes (Type K, 133-040)
  Designed for surface contact on pipes in the –10 °C to 100 °C range, the clamps attach securely to pipes 6–30 mm in diameter, providing stable readings quickly—often in under 2–4 seconds.

• Convenient Storage
  The included PVC zip pouch keeps the thermometer and probes protected, transport-ready, and organized.