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The Testo 549i is a hoseless, wireless pressure probe for measuring refrigerant charge in AC and refrigeration systems. The 549i is used for servicing, troubleshooting, and documenting the operation of residential or commercial AC and refrigeration systems.
The Testo 549i works with an App and Bluetooth so you can read it out on a smart phone or tablet. The Testo Smart Probes App allows users to remotely read measurements from up to six (6) Smart Probes, and easily document and report the results. The app also features automatic calculations.
| Pressure measurement | |
|---|---|
Measuring range | -15 to +870 psi / -1 to +60 bar |
Accuracy | ±0.5 % of full-scale value |
Resolution | 0.01 psi / 0.01 bar |
Probe connection | 7 / 16 in. - UNF |
Overload rel. (high pressure) | +943 psi / +65 bar |
| General technical data | |
|---|---|
Dimensions | 5 x 1 x 1 in. / 125 x 32 x 31 mm |
Operating temperature | -4° to 122 °F / -20 to +50 °C |
System requirements | requires iOS 8.3 or newer; requires Android 4.3 or newer; requires mobile end device with Bluetooth 4.0 |
Battery type | 3 x AAA |
Battery life | 150 h |
Pressure media | CFC, HFC, HCFC, N, H₂O, CO₂ |
Storage temperature | -4° to 140 °F / -20 to +60 °C |
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