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Testo
Testo 549i Refrigeration Pressure Smart Probe
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Testo 549i: −1…60 bar; 0.5% FS; Bluetooth hoseless 7/16\" UNF. RFQ.
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Key parameters
Measuring range
-1 to 60 bar (−15 to +870 psi)
Accuracy
±0.5 % of full-scale value (±1 digit)
Resolution
0.01 bar / 0.01 psi
Probe Connection
7/16 in. UNF
Overload Rel
+65 bar / +943 psi
Pressure Media
CFC, HFC, HCFC, N₂, H₂O, CO₂
Fits hoseless AC/R pressure checks where you need a Testo 549i—Bluetooth refrigeration pressure Smart Probe measuring −1 to +60 bar (−14 to 870 psi) with 0.5% FS accuracy, 0.01 bar resolution and 7/16" UNF connection.
Key advantages
- Range — −1 to +60 bar (−14 to 870 psi)
- Accuracy — 0.5% FS; 0.01 bar resolution
- Connection — 7/16" UNF hoseless
- Power — 3× AAA; Bluetooth to Smart App
- Media — CFC/HFC/HCFC/N/H2O/CO2 class
Typical applications
- AC/R high/low side.
- Superheat/subcooling with app.
- Service pressure checks.
Selection guide
- vs full manifold
- App device
- Refrigerant list
Common mistakes
- Exceeding overload (~65 bar).
- Wrong thread adapters.
- Battery neglect.
When to RFQ / what to tell us
- Quantity.
- Ship-to.
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Specs
| Spec | Value |
|---|---|
| SKU | 42915 |
| Brand | Testo |
| Model | 549i |
| Product type | Refrigeration Pressure Probe |
| Type | Bluetooth hoseless refrigeration pressure Smart Probe (549i) |
| Range | −1 to +60 bar (−14 to 870 psi); 0.5% FS; 0.01 bar |
| Connection | 7/16" UNF; overload ~65 bar |
| Power | 3× AAA; Bluetooth to Smart App |
| Media | CFC/HFC/HCFC/N/H2O/CO2 class |
Documents
FAQ
Q: Range? A: −1 to +60 bar (−14 to 870 psi).
Q: Accuracy? A: 0.5% FS.
Q: What should I send for a quote? A: Quantity, ship-to.
Links
| Parameter | Value |
|---|---|
| Measuring range | -1 to 60 bar (−15 to +870 psi) |
| Accuracy | ±0.5 % of full-scale value (±1 digit) |
| Resolution | 0.01 bar / 0.01 psi |
| Probe Connection | 7/16 in. UNF |
| Overload Rel | +65 bar / +943 psi |
| Pressure Media | CFC, HFC, HCFC, N₂, H₂O, CO₂ |
| Operating Temperature | -20 to +50 °C (−4 to +122 °F) |
| Storage Temperature | -20 to +60 °C (−4 to +140 °F) |
| Battery | 3× AAA; life ~130–150 h (OEM literature) |
| Dimensions | 125×32×31 mm (older DS); 150×32×31 mm (later 0560 2549 variants) |
| Weight | 156.6 g (5.52 oz) per US product page |
| Connectivity | Bluetooth to testo Smart App; range up to ~100 m / 350 ft class |
| Form Factor | Hoseless Smart Probe high/low pressure gauge with 45° connector |
| Order Number | 0560 2549 family (incl. 0560 2549 03) |