Testo 552i Wireless Vacuum Probe
by Testo
Last updated Mar 29, 2026 · 2 revisions
App-controlled wireless vacuum probe with Bluetooth, 1-micron resolution, IP54 rating, and 39-hour battery life for evacuation monitoring.
Media

About This Product
The Testo 552i is a compact wireless vacuum probe controlled entirely via the Testo Smart App over Bluetooth. Measures from 0 to 20,000 microns with 1-micron resolution in the 0-1000 micron range. Features IP54 protection rating, 39-hour battery life on 3 AAA batteries, 7/16 UNF connection, and operates from -10 to +50C. Enables refrigerant-loss-free measurement through a single service connection.
Capabilities
How this product is delivered and what's included out of the box.
- Mobile app
- Available
- Free trial
- No
- Free tier
- No
- Public API
- No
- Deployment
- On Premise
Certifications & Approvals
Independent industry credentials this product holds.
MeasureQuick Compatible
Integrates with MeasureQuick, the diagnostic platform used by HVAC technicians for in-field system performance testing. Data captured in MeasureQuick flows into this product without manual re-entry.
FSH Score Breakdown
Customer Reviews
Features
Hardware Features5features
Equipment & Asset Management5features
Compliance & Safety3features
Reporting & Analytics2features
Mobile & Field Tools2features
CRM & Sales1feature
Certifications & Standards1feature
Integrations 2 across 1 category
Industry-Specific 2
Pricing
- Model
- Custom
- Starting at
- Contact for pricing
Similar Micron Gauges & Vacuum Measurement Tools
Compare all →Other tools in the same category. Compare to find the best fit.
Testo 557s Smart Digital Manifold
Testo
4-way valve block with wireless Bluetooth vacuum probe and clamp thermometers included; IP54; guided measurement programs for superheat and subcooling.
AccuTools BluVac+ Pro Digital Micron Gauge
AccuTools
Only field-calibratable Bluetooth micron gauge on the market; patented oil sensor and self-diagnostics; 1-micron resolution.
Fieldpiece MG44 Wireless Micron Vacuum Gauge
Fieldpiece Instruments
Wireless Bluetooth vacuum gauge with 1000-foot range, Job Link app integration, and compatibility with SMAN digital manifolds.
NAVAC NRP6Di Smart Vacuum Pump
NAVAC
Brushless DC inverter-driven pump with built-in digital micron gauge, automatic solenoid valve, and smart control that auto-extends to meet target vacuum.