testo 558s Wireless Module
Device Overview
The Testo 558s is a digital manifold with integrated vacuum measurement and wireless connectivity, designed for HVAC/R professionals.
Specifications
| Dimensions | 229 x 112.5 x 71 mm (9 x 4 x 3 in) |
|---|---|
| Weight | 1250 g (40 oz) |
| Battery | Rechargeable lithium battery integrated 3400 mAh or 3 x 1.5 V AA Alkaline |
| Operating Temperature | -10 to 50 °C (14 to 122 °F) |
| Storage Temperature | -20 to 60 °C (-4 to 140 °F) |
| Humidity | 10 to 90 %rF |
| Pressure Range | HP/LP: -100 to 6000 kPa / -0.1 to 6 MPa / -1 to 60 bar (rel) / -14.7 to 870 psi |
| Vacuum | 0 to 20,000 micron |
| Protection Class | IP 54 |
Device Setup
- Power on the device using the button on the side.
- Connect the device to the Testo Smart App using the QR code for configuration and data management.
- Attach the smart probes as shown in the configuration screen.
www.testo.com/manuals
https://qr.testo.com/Idtw8z
SAFETY
Battery Installation
To install or replace the batteries, open the battery compartment on the back of the device. Use either the integrated rechargeable lithium battery or three 1.5 V AA alkaline batteries.
Approval and Certification
| Product | testo 558s |
| Order No. | 0564 5581
0564 5581 01 0564 5581 02 |
| Model No. | 0564 5581 |
| Date | 2025-02-18 |
The use of the wireless module is subject to the regulations and stipulations of the respective country of use, and the module may only be used in countries for which a country certification has been granted. The user and every owner has the obligation to adhere to these regulations and prerequisites for use, and acknowledges that the re-sale, export, import etc. in particular in countries without wireless permits, is his responsibility.
| Bluetooth®– Information | Feature | Values |
| Bluetooth® range | up to150m (490 feet)(free field | |
| Radio type | Bluetooth® Low Energy (BLE) | |
| Company | Lierda Science & Technology Group Co., LtdLierda LSD4BT-S98B | |
| RF Band | 2402 – 2480 MHz | |
| Power output | 18.53 dBm | |
| Bluetooth® SIG Listing | Declaration ID | D051404 |
| Member company | Testo SE & Co. KGaA |
| Comments | |
| Hongkong | Authorized |
| Product | testo 558s |
| Order No. | 0564 5581 55 |
| Model No. | 0564 5581 |
| Date | 2025-02-18 |
| Country | Comments |
| Japan | Contains Lierda S98 BLE module
R 201-200960 See Japan Information |
| South Korea |
R-R-te2-05645581 contains: R-R-te2-S98 See KCC Warning |
| Bluetooth®– Information | Feature | Values |
| Bluetooth® range | up to 60m (196 feet)
(free field) |
|
| Radio type | Bluetooth® Low Energy (BLE) | |
| Company | Lierda Science & Technology Group Co., Ltd Lierda LSD4BT-S98B | |
| RF Band | 2402 – 2480 MHz | |
| Power output | <10 dBm |
IC Warnings
CAN ICES-003(B)/NMB-003(B):
This Class B digital apparatus complies with Canadian ICES-003.
RSS-Gen & RSS-247 statement:
This device contains licence-exempt transmitter(s)/receiver(s) that comply with Innovation, Science and Economic Development Canada’s licence-exempt RSS(s).
Operation is subject to the following two conditions:
- This device may not cause interference, and
- This device must accept any interference, including interference that may cause undesired operation of the device.
Caution: Radio Frequency Radiation Exposure
This equipment complies with radio frequency exposure limits set forth by Innovation, Science and Economic Development Canada for an uncontrolled environment.
This equipment should be installed and operated with a minimum distance of 20 cm between the device and the user or bystanders.
Co-Location:
This device must not be co-located or operated in conjunction with any other antenna or transmitter.
FCC Warnings
Information from the FCC (Federal Communications Commission)
For your own safety
Shielded cables should be used for a composite interface. This is to ensure continued protection against radio frequency interference.
FCC warning statement
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. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television recep-tion, which can be determined by turning the equipment off and on, 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 cable must be used in order to comply with the emission limits.
Warning
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:
Caution: Radio Frequency Radiation Exposure This equipment complies with radio frequency exposure limits set forth by the FCC for an uncontrolled environment.
This equipment should be installed and operated with a minimum distance of 20 cm between the device and the user or bystanders.
Co-Location:
This device must not be co-located or operated in conjunction with any other antenna or transmitter.
Japan Information
Manufacturer/ importer
Testo SE & Co. KG aA
Celsiusstr. 2, 79822 Titisee-Neustadt, Germany www.testo.com
Warning: Please follow the instructions when using the product.
FAQ
- Q: What are the power options for the testo 558s?
A: The testo 558s can be powered by a rechargeable lithium battery (integrated 3400 mAh) or 3 x 1.5 V AA Alkaline batteries. - Q: What is the IP rating of the testo 558s?
A: The testo 558s has an IP54 rating, providing protection against dust and water splashes. - Q: How should I handle the wireless module of the device?
A: The use of the wireless module is subject to regulations of the respective country. Ensure compliance with wireless permits and maintain a minimum distance of 20 cm between the device and users or bystanders.
Documents / Resources
 |
testo 558s Wireless Module [pdf] User Manual 0564 5581, 0564 5581 01, 0564 5581 02, 558s Wireless Module, 558s, Wireless Module, Module |