Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
TESTO 552i Wireless Digital Vacuum Gauge - Wireless Digital Vacuum Gauges
TESTOWireless Digital Vacuum Gauges

TESTO 552i Wireless Digital Vacuum Gauge

The TESTO 552i is a wireless digital vacuum gauge from the 552i series, measuring 0 micron Hg to 20,000 micron Hg. It features Bluetooth connectivity and audio/visual indication, and is designed for use with Android™…

SKU 3G-OTH-70896

Also listed as: 0564255201 · 0564-2552-01

Brand
TESTO
Item
552i Wireless Digital Vacuum Gauge
Category
Wireless Digital Vacuum Gauges
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

TESTO
Manufacturer Part Number
0564 2552 01
Series
552i
Type
AAA
Connectivity
Bluetooth
Indication Method
Audio/Visual
For Operating System
Android™
Female UNF Right-Hand
7/16 in

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

TESTO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The TESTO 552i is a wireless digital vacuum gauge from the 552i series, measuring 0 micron Hg to 20,000 micron Hg. It features Bluetooth connectivity and audio/visual indication, and is designed for use with Android™ operating systems. This device includes a 7/16 in Female UNF Right-Hand connection and is powered by AAA batteries (MPN 0564 2552 01).

Frequently Asked Questions

What is the TESTO 552i vacuum gauge used for?

The TESTO 552i wireless digital vacuum gauge measures vacuum levels from 0 micron Hg to 20,000 micron Hg. It is used in HVAC/R applications to monitor system evacuation, ensuring proper dehydration and leak-free performance before refrigerant charging.

What are the specifications of the TESTO 552i vacuum gauge?

The TESTO 552i (MPN 0564 2552 01) measures 0 micron Hg to 20,000 micron Hg. It features Bluetooth connectivity, audio/visual indication, a 7/16 in Female UNF Right-Hand connection, and is powered by AAA batteries. It is designed for use with Android™ operating systems.

Where to buy the TESTO 552i vacuum gauge worldwide?

3G Electric supplies the TESTO 552i vacuum gauge worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this wireless digital vacuum gauge.

How to select the right vacuum gauge for HVAC work?

Select a vacuum gauge based on measurement range, connectivity, and indication method. The TESTO 552i offers a 0 to 20,000 micron Hg range, Bluetooth for remote monitoring via Android™, and audio/visual alerts. Ensure the connection type, such as 7/16 in Female UNF, matches your system.

Used in

Common applications for TESTO
HVAC system evacuation — Testo 552i wireless vacuum gauge for measuring micron levels during refrigerant line evacuation.
Refrigerant charging — Testo 550s digital manifold gauge set for R-744 systems in commercial refrigeration.
Indoor air quality monitoring — Testo 420/440 hood kit for measuring air velocity and volume in ventilation ducts.
Temperature logging in cold storage — Testo 0577 0400 data logger for tracking temperature in refrigerated warehouses.
Combustion analysis — Testo CO probe head (0632 1270) for measuring carbon monoxide in boiler flue gases.
Refrigerant scale operation — Testo 0564 2560 01 charging scale for precise weight-based charging in field service.

TESTO Products

3G Electric supplies TESTO wireless digital vacuum gauges. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Compatible alternatives & equivalents

Cross-referenced by specification & description
Replacement sensor for TESTO 557 series manifold gauges. Used in HVAC and refrigeration service to measure vacuum levels during system evacuation and dehydration
TESTO
Replacement sensor for TESTO 557 series manifold gauges. Used in HVAC and refrigeration service to measure vacuum levels during system evacuation and dehydration
Wireless digital vacuum gauge with Bluetooth connectivity for iOS devices. Measures from 0 to 25,000 micron Hg with audio/visual indication. Powered by 9V battery, features 1/4 in Female SAE Flare Right-Hand connection, and includes NIST calibration certificate. Used for vacuum level measurement in HVAC/R system evacuation and leak detection
BLACKMAX
Wireless digital vacuum gauge with Bluetooth connectivity for iOS devices. Measures from 0 to 25,000 micron Hg with audio/visual indication. Powered by 9V battery, features 1/4 in Female SAE Flare Right-Hand connection, and includes NIST calibration certificate. Used for vacuum level measurement in HVAC/R system evacuation and leak detection
Digital wireless manifold gauge set with 4-valve design and SAE hose connections. Includes sight glass and USB-C cable. Designed for use with R-500 refrigerant. Compatible with testo Smart for wireless data transmission. Used by HVACR technicians for measuring and diagnosing refrigerant pressure and temperature in R-500 systems
TESTO
Digital wireless manifold gauge set with 4-valve design and SAE hose connections. Includes sight glass and USB-C cable. Designed for use with R-500 refrigerant. Compatible with testo Smart for wireless data transmission. Used by HVACR technicians for measuring and diagnosing refrigerant pressure and temperature in R-500 systems
The TPI 605BT is a wireless digital vacuum gauge with a measurement range of 186 micron Hg to 112,100 micron Hg and ±1% accuracy. It features Bluetooth connectivity for Android™ systems, a 1/4 in male connection, and operates on a 9V battery. This gauge is used in HVAC/R and refrigeration applications for vacuum level measurement, leak detection, and evacuation verification
TPI
The TPI 605BT is a wireless digital vacuum gauge with a measurement range of 186 micron Hg to 112,100 micron Hg and ±1% accuracy. It features Bluetooth connectivity for Android™ systems, a 1/4 in male connection, and operates on a 9V battery. This gauge is used in HVAC/R and refrigeration applications for vacuum level measurement, leak detection, and evacuation verification
Digital vacuum gauge with LCD display measuring from 15 micron Hg to 12,000 micron Hg. Accuracy is ± 10% or ± 10 micron. Visual indication only; no access port included. Used for verifying system evacuation and monitoring vacuum integrity in HVAC, refrigeration, and industrial process applications
TEST PRODUCTS INTL.
Digital vacuum gauge with LCD display measuring from 15 micron Hg to 12,000 micron Hg. Accuracy is ± 10% or ± 10 micron. Visual indication only; no access port included. Used for verifying system evacuation and monitoring vacuum integrity in HVAC, refrigeration, and industrial process applications
Digital wireless manifold gauge kit for R-507 refrigerant. Includes four valves, four SAE hoses, a vacuum hose (3/8 in SAE / 5/8 in UNF), and a sight glass. Gauge boots not included. Suitable for HVAC-R service and commercial refrigeration systems
TESTO
Digital wireless manifold gauge kit for R-507 refrigerant. Includes four valves, four SAE hoses, a vacuum hose (3/8 in SAE / 5/8 in UNF), and a sight glass. Gauge boots not included. Suitable for HVAC-R service and commercial refrigeration systems

More from TESTO

View all TESTO parts →
Wireless digital vacuum gauge for HVAC-R system evacuation and leak detection. Measures 0 to 20,000 micron Hg with ±10%/±10 micron accuracy. Features 7/16 in UNF connection, Bluetooth connectivity, and audio indication. Compatible with Android operating systems
TESTO
Wireless digital vacuum gauge for HVAC-R system evacuation and leak detection. Measures 0 to 20,000 micron Hg with ±10%/±10 micron accuracy. Features 7/16 in UNF connection, Bluetooth connectivity, and audio indication. Compatible with Android operating systems