testo 514 - Refrigerant Leak Detector with Flexible Probe
Track down refrigerant leaks with less disruption to your service routine. The testo 514 refrigerant leak detector gives air conditioning and refrigeration engineers the sensitivity to find small leaks and the flexible reach to investigate awkward pipework and connections.
With detection down to 3 g/year and no need to select a refrigerant type, it keeps checks simple across a wide range of AC/R systems. Pinpoint the problem, plan the repair and help limit further refrigerant loss.
Request a quote for the testo 514 or ask our team about suitability for your refrigerant.
testo 514 Key Features:
- Sensitive detection: identifies leak rates down to 3 g/year in High mode.
- Fast response: reacts in under two seconds to support efficient leak tracing.
- Broad compatibility: detects HCFC, HFC, HFO, HCFO, R290 and refrigerant blends.
- Easier localisation: automatic and manual zeroing help pinpoint the leak source.
- Flexible operation: a gooseneck probe and selectable numeric or bar-graph displays simplify checks.
Why choose the testo 514?
The testo 514 suits engineers who work across different refrigeration and air conditioning systems and want straightforward operation. There is no refrigerant selection step, helping keep setup simple between checks.
Tested in accordance with DIN EN 14624, it combines sensitive leak detection with a replaceable sensor that helps reduce maintenance downtime. It is a practical addition to your equipment for routine servicing and fault finding.
What Comes with the testo 514?
- testo 514 detector
- Refrigerant sensor
- Carry bag
- Batteries
- Protective cap
Specifications:
| Specification | Detail |
| Product code | 0563 0514 |
| Sensitivity | 3 g/year (High); 14 g/year (Low) |
| Response time | Under 2 seconds |
| Resolution | 1 ppm |
| Probe length, including sensor | 330 mm |
| Power and battery life | 3 × AA alkaline batteries; 10 hours |
❓ Frequently Asked Questions (FAQ)
Q1: Does the testo 514 detect R290 refrigerant?
A. Yes. R290, also known as propane, is included among its supported refrigerants.
Q2: What does 3 g/year sensitivity mean?
A. It is the stated minimum detectable leak rate in High mode, expressed as grams of refrigerant lost per year.
Q3: Can the refrigerant sensor be replaced?
A. Yes. The replaceable sensor allows you to maintain the instrument without replacing the complete detector.