1. Introduction
This user manual provides comprehensive instructions for the safe and effective operation, maintenance, and troubleshooting of the Hilti PS 50 Multidetector. The Hilti PS 50 is designed to help users accurately locate objects within various base materials before drilling, coring, or anchoring, thereby preventing costly damage and ensuring safety.
The built-in display provides clear indications of detected objects, their approximate embedment depth, and material type, making it accessible even for users without extensive prior experience.
What's in the Box:
- (1) PS 50 Multidetector
- (2) AA Batteries
- (1) Marker pen set PUA 70
- (1) Hand strap
- (1) Tool bag PSA 67
- (1) Case
2. Safety Information
Always read and understand all safety warnings and instructions before operating the Hilti PS 50 Multidetector. Failure to follow these instructions may result in electric shock, fire, and/or serious injury.
- General Safety: Keep the work area clean and well-lit. Do not operate the device in explosive atmospheres, such as in the presence of flammable liquids, gases, or dust.
- Electrical Safety: Be aware of live electrical wires. The device is designed to detect them, but always exercise extreme caution.
- Personal Safety: Stay alert, watch what you are doing, and use common sense when operating the device. Do not use the device while tired or under the influence of drugs, alcohol, or medication.
- Device Care: Do not expose the device to rain or wet conditions. Store idle devices out of the reach of children and do not allow persons unfamiliar with the device or these instructions to operate the device.
- Battery Safety: Use only the specified battery type (AA). Ensure correct polarity when inserting batteries. Do not mix old and new batteries or different types of batteries. Remove batteries if the device is not to be used for extended periods.
3. Product Overview
The Hilti PS 50 Multidetector is a sophisticated tool designed for precise detection of various objects embedded in different construction materials. Its intuitive interface and multiple scanning modes make it a versatile solution for renovation and construction projects.

Figure 1: Hilti PS 50 Multidetector. This red and black handheld device features a central display screen that shows detection results, approximate embedment depth, and material type. Below the screen are navigation buttons and power controls.
Key Features:
- Accurate Detection: Helps identify ferrous and non-ferrous metals, live wires, plastic pipes, wood, and cavities.
- Cost and Time Saving: Reduces the risk of hitting hidden objects, preventing costly repairs and saving time.
- Intuitive Display: Built-in display shows detected objects, approximate embedment depth, and material type.
- Multiple Scanning Modes: Easy menu navigation to select appropriate modes for different base materials (universal, concrete, wet concrete, floor heating, drywall, hollow brick).
- Portability: Compact design with included tool bag and case for easy transport and protection.
4. Setup
4.1 Battery Installation
- Locate the battery compartment on the back of the PS 50 Multidetector.
- Open the battery compartment cover.
- Insert two (2) AA batteries, ensuring correct polarity (+/-) as indicated inside the compartment.
- Close the battery compartment cover securely.
4.2 Initial Power-On
- Press and hold the power button (usually marked with a circle and a vertical line) until the display illuminates.
- The device will perform a brief self-test.
- Once the main screen appears, the device is ready for operation.
5. Operating Instructions
5.1 Selecting a Scanning Mode
The PS 50 offers various scanning modes optimized for different base materials. Selecting the correct mode is crucial for accurate results.
- Press the "Menu" button to access the mode selection screen.
- Use the arrow buttons (up/down) to navigate through the available modes:
- Universal: For general scanning across various materials.
- Concrete: Optimized for standard concrete structures.
- Wet Concrete: For concrete with higher moisture content.
- Floor Heating: Specifically for detecting pipes in floor heating systems.
- Drywall: For detecting studs, pipes, and wires behind drywall.
- Hollow Brick: For scanning hollow brick walls.
- Press the "OK" or center button to confirm your selection.
5.2 Performing a Scan
- Place the multidetector flat against the surface to be scanned. Ensure full contact.
- Slowly and steadily move the device across the surface in a straight line. Avoid tilting or lifting the device during the scan.
- Observe the display for indications of detected objects. The display will show the presence of ferrous and non-ferrous metals, live wires, plastic pipes, wood, and cavities.
- The display will also provide an approximate embedment depth and indicate the type of material detected.
- Mark the detected locations using the provided marker pen set if necessary.
6. Maintenance
Proper maintenance ensures the longevity and accuracy of your Hilti PS 50 Multidetector.
- Cleaning: Clean the device regularly with a soft, damp cloth. Do not use abrasive cleaners or solvents. Ensure the scanning surface is free of dirt and debris for optimal performance.
- Battery Replacement: Replace batteries when the low battery indicator appears on the display. Always use fresh AA batteries.
- Storage: Store the device in its original case in a dry, dust-free environment, away from extreme temperatures. If storing for extended periods, remove the batteries to prevent leakage.
- Calibration: The PS 50 is designed for reliable operation. If you suspect a calibration issue or experience consistent inaccuracies, contact Hilti service for assistance.
7. Troubleshooting
This section addresses common issues you might encounter with your Hilti PS 50 Multidetector.
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not power on. | Dead or incorrectly inserted batteries. | Check battery polarity. Replace with fresh AA batteries. |
| Inaccurate or inconsistent readings. | Incorrect scanning mode selected; uneven surface contact; interference. | Ensure the correct scanning mode is selected for the material. Maintain firm, even contact with the surface. Avoid scanning near strong electromagnetic fields. |
| No objects detected. | No objects present; scanning too fast; device not calibrated. | Scan slowly and steadily. Ensure the area actually contains objects. If issues persist, contact Hilti service. |
| Display is dim or flickering. | Low battery power. | Replace batteries immediately. |
8. Specifications
| Attribute | Value |
|---|---|
| Model Number | 2075720 |
| Brand | HILTI |
| Power Source | AA Battery |
| Voltage | 1.5 Volts |
| Amperage | 6 Amps |
| Operating Temperature Range | 14 - 122 °F (-10 - 50 °C) |
| Operation Time (Alkaline Battery) | 5 hours |
| Operation Time (Rechargeable Batteries 2500 mAh) | 7 hours |
| Package Dimensions | 15.6 x 14.3 x 4.2 inches |
| Weight | 6.3 Pounds |
| Date First Available | November 16, 2016 |
9. Warranty and Support
For detailed warranty information regarding your Hilti PS 50 Multidetector, please refer to the warranty card included with your product or visit the official Hilti website. Hilti provides comprehensive support for its products, including technical assistance, service, and repairs.
Manufacturer: Hilti
For service, support, or to inquire about warranty claims, please contact Hilti customer service directly or visit their official website:





