
METAL,
VOLTAGE &
STUD DETECTOR
13818 – 501G INSTRUCTIONS FOR USE
1. Preface
These are the original product instructions. This document is part of
the product; retain it for the life of the product, passing it on to
subsequent holders. Read this manual in full before attempting to
assemble, operate, or maintain this product.
This Draper Tools manual describes the purpose of the product and
contains all the necessary information to ensure its correct and safe
use. Following all the instructions and guidance in this manual will
ensure the safety of both the product and the operator and increase
the lifespan of the product.
All photographs and drawings within this manual are supplied by
Draper Tools to help illustrate correct operation of the product.
Every eort has been made to ensure the information contained in
this manual is accurate. However, Draper Tools reserves the right to
amend this document without prior warning. Always use the latest
version of the product manual.
1.2 Revisions
Version 1: February 2018
First release
Version 2: June 2022
General content and formatting updates
As our manuals are continually updated, always ensure that the
latest version is used.
Download the latest version from:
drapertools.com/manuals
EN
Original Instructions
Version 1
1.3 Copyright © Notice
Copyright © Draper Tools Limited.
Permission is granted to reproduce this manual for personal and
educational use ONLY. Commercial copying, redistribution, hiring,
or lending is strictly prohibited.
No part of this manual may be stored in a retrieval system or
transmitted in any other form or means without written permission
from Draper Tools Limited.
In all cases, this copyright notice must remain intact.
1.4 Understanding the Safety Content
WARNING! – Situations or actions that may result in personal injury
or death.
CAUTION! – Situations or actions that may result in damage to the
product or surroundings.
Important: – Information or instructions of particular impor tance.
2. Warranty
Draper Tools products are carefully tested and inspected before
shipment and are guaranteed to be free from defective materials
and workmanship.
Should the tool develop a fault, return the complete tool to your
nearest distributor or contact Draper Tools directly. Contact
information can be found at the back of this manual.
Proof of purchase must be provided.
If, upon inspection, it is found that the fault occurring is due to
defective materials or workmanship, repairs will be carried out free
This warranty period covers parts and labour for 12
of charge.
months from the date of purchase. Where tools have been hired out,
the warranty period covers 90 days from the date of purchase.
This warranty does not apply to any consumable parts, batteries or
normal wear and tear, nor does it cover any damage caused by
misuse, careless or unsafe handling, alterations, accidents, or
repairs attempted or made by any personnel other than the
authorised Draper Tools repair agent.
In all cases, to make a claim for faulty workmanship or materials
within the standard warranty period, please contact or return the
product to the place of purchase. Proof of purchase may be
required.
If the place of purchase is no longer trading or if you experience any
diculties with your warranty, please contact Customer Services
with the product details and your proof of purchase. Contact details
can be found at the back of this manual.
Helpline: +44 (0) 23 8049 4344 Sales Desk: +44 (0) 23 8049 4333 General Enquiries: +44 (0) 23 8026 6355 Website: drapertools.com Email: sales@drapertools.com
Draper Tools Limited, Hursley Road, Chandler’s Ford, Eastleigh, Hampshire, SO53 1YF, UK 0522

If the tool is not covered by the terms of this warranty, repairs and
carriage charges will be quoted and charged accordingly.
This warranty supersedes any other guarantees expressed or implied and
variations of its terms are not authorised.
Your Draper Tools guarantee is not eective until you can produce, upon
request, a dated receipt or invoice to verify your purchase within the
guarantee period.
Please note that this warranty is an additional benet and does not aect
your statutory rights.
Draper Tools Limited
3. Specication
Stock No. 13818
Part No. 501G
Wood Test Compound wood, thickness 10mm.
Metal Test Diameter 20mm, Iron pipe
(depth 25mm max.)
AC Voltage test. AC 220V Electric wire,
(depth 25mm max.)
Ambient condition. -20°C to 60°C below 80% RH
Battery 9V, PP3
(8) Power indicator (green)
(9) Voltage/metal indicator (red)
(10) Battery compartment cover
(11) Stud detector trimmer
(12) Voltage/metal detector trimmer
(13) Buzzer
(14) AC voltage detection adjuster (Factory adjustment only;
DO NOT tamper with this setting)
5. Health and Safety Information
• Read this manual in full before using this product.
• This device is intended for use as a guide ONLY.
− Lack of response from the detector does not guarantee the
absence of metal, currents or wall studs.
− Caution must still be exercised when working in walls and other
blind surfaces.
• DO NOT immerse this device in water or allow the battery to come
into contact with liquids.
• DO NOT abuse, mutilate or burn the battery.
• Check the device carefully before use.
− DO NOT use this product if it is damaged in any way or there is
evidence of battery leakage.
WARNING! This device emits a loud audible tone. Placing your ear over
the buzzer openings may cause hearing damage.
4. Product Identication
(2)
(12)
(13)
(14)
4.1 Product Overview
(1) Stud detection face
(2) Voltage/metal detection face
(3) Stud indicator (red)
(4) Stud indicator (green)
(5) Stud sensitivity dial
(6) Selector switch
(7) Voltage/metal sensitivity dial
6. Operation and Use
Install a 9V PP3 battery (supplied) before use; see 7.2 Replacing the
Battery.
(3)
(4)
(1)
(10)
(11)
(5)
(6)
(7)
(8)
(9)
6.1 AC Voltage and Metal Detection
1. Hold the unit and rotate the voltage/metal sensitivity dial (7) fully
downwards.
(8)
(7)
1 Fig.
2. Move the selector switch (6) to the AC Voltage/Metal Detector
position; the power indicator (8) should illuminate.
Important: Ensure that the device is not positioned near any metal
objects or current-carrying conductors when you switch it on.
3. Rotate the sensitivity dial (7) upwards until the metal/voltage
indicator illuminates and the audible tone sounds, then reverse the
dial gently until the indicators switch o.
4. Hold the device so that the voltage detection face (2) is ush with the
wall and move it sideways across the surface.
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