Testo 557s Digital Manifold Gauge

Product Overview

The Testo 557s is a digital manifold gauge designed for HVAC/R applications. It features a robust design, a clear display, and intuitive controls for efficient operation. The device supports wireless connectivity via Bluetooth for enhanced functionality when used with the Testo Smart App.

The device is powered by 4x AA Alkaline batteries, providing approximately 100 hours of operation.

For more information and downloads, visit www.testo.com/en/services/download.

Visual Description: The product is depicted as a handheld digital instrument with a screen, control buttons (Menu, Enter, ESC, Next), and multiple ports for refrigerant lines. It is shown alongside a smartphone displaying the Testo Smart App, illustrating wireless connectivity.

Key Features and Specifications

Physical Specifications

• Dimensions: 229x112.5x71 mm (9.02x4.41x2.80 inches)
• Weight: Approximately 1300g (45.9oz)
• Protection Class: IP54
• Materials: PA66 +30%GF, TPE, ABS

Operating Conditions

• Ambient Temperature: -10°C to +50°C (14°F to 122°F)
• Storage Temperature: -20°C to +50°C (-4°F to 122°F)

Pressure Range

• Pressure: -1 to 60 bar (-14 to 870 psi)

Connectivity and App Integration

Bluetooth Information

• Bluetooth Range: Typical 150 m (free field)
• Bluetooth Radio Type: Bluetooth Low Energy (BLE) 5.0
• RF Band: 2402-2480 MHz
• Antenna Gain: PIFA Antenna 2.43 dBi

The Testo Smart App enhances the functionality of the Testo 557s, allowing for configuration, data logging, and remote monitoring. The app can be downloaded for increased functionality.

App Interface Examples

• Configuration Screen: Displays options to set parameters, such as "Evacuation Target" with manual input for values like 600 micron.
• Main Screen: Shows current system status, including pressures (e.g., LP psi, HP psi) and temperatures (e.g., SLT, LLT).
• With Smart Probes: Illustrates how readings from connected smart probes are displayed, including pressure, temperature, and other relevant data points.

Approval and Certification

The use of the wireless module is subject to the regulations and stipulations of the respective country of use. The user and owner must adhere to these regulations.

Country Specific Approvals

• Australia: E 1561
• Canada: IC: 6127B-05645570 (See IC Warnings)
• USA: FCC ID: WAF-05645570 (See FCC Warnings)
• Europe + EFTA: The EU Declaration of Conformity is available on the Testo homepage (www.testo.com) under product specific downloads. This covers EU countries (e.g., Belgium, Germany, France, Italy, Spain, UK) and EFTA countries (e.g., Iceland, Norway, Switzerland).
• Hong Kong: Authorized
• Turkey: Authorized

Bluetooth SIG Listing

• Declaration ID: D051404
• Member Company: Testo SE & Co. KGaA

Regulatory Information and Warnings

IC Warnings (Canada)

• This device complies with CAN ICES-003(B)/NMB-003(B).
• This device complies with Industry Canada licence-exempt RSS standard(s).
• Operation is subject to two conditions: [!] this device may not cause harmful interference, and [!] this device must accept any interference received, including interference that may cause undesired operation.

FCC Warnings (USA)

• This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules.
• These limits are designed to provide reasonable protection against harmful interference in a residential installation.
• If this equipment causes harmful interference to radio or television reception, the user is encouraged to try to correct the interference by one or more of the following measures:
  • Reorient or relocate the receiving antenna.
  • Increase the separation between the equipment and receiver.
  • Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
  • Consult the dealer or an experienced radio/TV technician for help.
• Caution: Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. Shielded interface cables must be used to comply with emission limits.
• Warning: This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: [!] this device may not cause harmful interference, and [!] this device must accept any interference received, including interference that may cause undesired operation.

Radio Frequency Radiation Exposure

• IC Compliance: This equipment complies with IC radiation exposure limits set forth for an uncontrolled environment and meets the IC radio frequency (RF) Exposure Guidelines. This equipment should be installed and operated keeping the radiator at least 20 cm or more away from a person's body in normal use position to ensure compliance with RF exposure requirement.
• FCC Compliance: This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment and meets the FCC radio frequency (RF) Exposure Guidelines. This equipment should be installed and operated keeping the radiator at least 20 cm or more away from a person's body in normal use position to ensure compliance with RF exposure requirement.

Co-Location

• This transmitter must not be co-located or operated in conjunction with any other antenna or transmitter.

General Safety Information

• For your own safety, shielded cables should be used for a composite interface. This is to ensure continued protection against radio frequency interference.