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TESTO Vacuum Gauge: 557 (MPN 0638 1557) - Manifold Gauge Parts & Accessories
TESTOManifold Gauge Parts & Accessories

TESTO Vacuum Gauge: 557 (MPN 0638 1557)

The TESTO Vacuum Gauge: 557 (MPN 0638 1557) is a replacement sensor for manifold gauge parts and accessories. This product is a replacement sensor compatible with the TESTO 557 series. It is manufactured by TESTO…

SKU 3G-OTH-70878

Brand
TESTO
Item
Vacuum Gauge: 557
Category
Manifold Gauge Parts & Accessories
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Technical Specifications

TESTO
Manufacturer Part Number
0638 1557
Product Type
Replacement Sensor
Compatible Series
557
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TESTO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The TESTO Vacuum Gauge: 557 (MPN 0638 1557) is a replacement sensor for manifold gauge parts and accessories. This product is a replacement sensor compatible with the TESTO 557 series. It is manufactured by TESTO under part number 0638 1557.

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 manifold gauge parts & accessories. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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More from TESTO

View all TESTO parts →
TESTO Repair Kit: 549/550/550i/550s/557/557s/570 (MPN 0554 5570). Key specifications — Compatible Series: 557; Product Type: Repair Kit; Brand: TESTO; Includes: (2) Locking Split Pins.
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TESTO Repair Kit: 549/550/550i/550s/557/557s/570 (MPN 0554 5570). Key specifications — Compatible Series: 557; Product Type: Repair Kit; Brand: TESTO; Includes: (2) Locking Split Pins.