ETI 271-401 3101 Dry-Well Heat Source Calibrator Sub-Zero (2X Inserts inc. FOC)
What is the ETI 271-401 3101 Dry-Well Heat/Cool Source Calibrator?
The ETI 271-401 (3101) Dry-Well Heat/Cool Source Calibrator is a compact temperature calibration tool designed for UK calibration engineers, HVAC technicians and electrical technicians who need fast, reliable verification of thermometers and temperature probes both above and below ambient temperature.
Covering a temperature range from -10°C to 110°C, the 3101 allows technicians to check probe accuracy on site, in workshops or during routine calibration schedules. With rapid heat-up and cool-down times of just 10 minutes, it helps minimise downtime while maintaining dependable performance for professional temperature testing.
With a clear LED display, 0.1°C resolution and traceable calibration certification, the ETI 3101 is a practical solution for routine temperature calibration across electrical maintenance, HVAC commissioning and instrumentation servicing.
Why use a heat and cool dry-well calibrator?
A combined heat and cool dry-well calibrator allows technicians to verify temperature sensors across a wider operating range without switching equipment. This is especially useful when checking probes used in HVAC systems, electrical panels and industrial processes where temperatures may sit above or below ambient conditions.
Note: This calibrator must be configured withtwo brass well inserts to suit your temperature probes. Available insert sizes are 3.3 mm, 4.1 mm, 4.8 mm, 6.4 mm and 9.6 mm. Please ensure your required sizes are selected from the drop-down when ordering to avoid delays.
Order today to enjoy free delivery, expert support and our 90-day satisfaction guarantee. Need advice? Our team is here to assist you.
ETI 271-401 (3101) Dry-Well Heat/Cool Source Calibrator
Two brass well inserts (customer-selected)
230 V / 115 V AC power adapter
Traceable calibration certificate
User documentation
Note: This calibrator requires two brass well inserts to be specified at the time of order. Please select your required insert sizes to match your temperature probes.
Why choose Instrotech for your electrical test equipment?
With over 40 years’ experience supporting UK electricians, technicians and engineers, Instrotech is your trusted partner for quality tools and expert service. When you purchase from us, you benefit from:
Free UK shipping on orders over £99
Access to our knowledgeable technical support team
Available calibration services to maintain safety compliance
A 90-day money-back guarantee for complete peace of mind
We’re committed to helping you work safely and efficiently with industry-leading products and ongoing support.