Sealey VS905 Instructions

5.5 Misfiring Cylinder.
A misfiring cylinder (petrol or diesel) can be located by taking temperature readings of each branch of the exhaust manifold
(fig.5). The cool branch will indicate the misfiring cylinder. The temperature difference will be most marked before the engine has
warmed up and heat transfer has warmed the cool branch. One exhaust branch hotter than the rest (petrol) suggests weak
mixture to that cylinder, which should be investigated (faulty injector, inlet manifold gasket leak, etc.).
5.6 Catalytic Converter.
With the engine at normal operating temperature and running at 1000rpm the inlet of the
catalytic converter should be cooler than the outlet by >55
(3-way converter).
1) If the outlet temperature is lower than the inlet then the converter is 'plugged'
and must be replace.
2) If the outlet temperature is the same as the inlet then the converter has
reached the end of its service life (say 150,000 miles) or the converter
material has broken up due to damage or has become contaminated.
Always determine the cause of failure, and rectify if appropriate, before fitting
a replacement.
5.7 Brakes.
The thermometer can be used to check comparative brake performance. The brakes
should be brought up to operating temperature, by braking the vehicle from 30mph to a
halt five times in quick succession, and the brake disc/drum temperatures then measured
immediately. Brakes on the same axle should not differ by more than 3
brakes should be hotter than rear brakes by about 30
meeting these criteria further investigation will be required - noting that it is normally the
cooler brake which is faulty (seized, contaminated, etc.).
5.8 Tyres
A correctly inflated tyre will have the same temperature across the tread, within 10
To check, drive the car for a few miles and then measure the tread in three places as
shown in fig.6.
If the readings from the sides of the tread are higher than that from the centre the tyre is
probably under-inflated. Conversely over-inflation causes the centre to be hotter than the edges. In either case, adjust the
tyre pressure in 2psi steps until even temperatures are achieved. If the resulting pressure is significantly different from that
recommended by the vehicle/tyre manufacturer look for another cause of the temperature difference (worn, damaged or
misaligned suspension). Note that edge-of-tread temperatures which are significantly different from each other indicate a
suspension fault.
6. MAINTENANCE
6.1 Battery Replacement (fig.7).
6.1.1 When the battery is exhausted the LCD will display the '
6.1.2 Open the battery cover (fig.7) by pulling forward.
6.1.3 Replace the 9V(PP3) battery and snap the cover back into place.
6.2 Cleaning.
6.2.1 Use a damp cloth only to clean the casing.
6.3 Storage.
6.3.1 Store in a safe dry childproof location.
Environmental Protection.
Recycle unwanted materials instead of disposing of them as waste. All tools, accessories and packaging should be sorted,
taken to a recycle centre and disposed of in a manner which is compatible with the environment.
When the product is no longer required, it must be disposed of inan environmentally protective way.
6. DECLARATION OF CONFORMITY
Declaration of Conformity
INFRARED TWIN-SPOT LASER DIGITAL
THERMOMETER
is in conformity with the following standards and directives.
Model: VS905
The construction file for this product is held by the Manufacturer and may be inspected, by a national
authority, upon request to Jack Sealey Ltd.
EN 60825-1 Laser safety
93/68/EEC CE Marking Directive
2002/96/EC WEEE Directive
89/336/EEC EMC Directive
NOTE: It is our policy to continually improve products and as such we reserve the right to alter data, specifications and component parts without prior notice.
IMPORTANT: No liability is accepted for incorrect use of product.
WARRANTY: Guarantee is 12 months from purchase date, proof of which will be required for any claim.
INFORMATION: For a copy of our latest catalogue and promotions call us on 01284 757525 and leave your full name and address, including postcode.
Sole UK Distributor
Sealey Group,
Bury St. Edmunds, Suffolk.
O C (2-way converter) or >20 O C
C and front
O
C. In the case of temperatures not
O
C.
O
' battery symbol.
We, the sole importer into the UK, declare that the product listed here
Signed by Tim Thompson 26th June 2007
For Jack Sealey Ltd. Sole importer into the UK of Sealey Professional Tools.
01284 757500 www.sealey.co.uk
Web
sales@sealey.co.uk
01284 703534
email
Thank you for purchasing a Sealey product. Manufactured to a high standard this product will, if used according to these instructions
and properly maintained, give you years of trouble free performance.
fig.5
IMPORTANT: PLEASE READ THESE INSTRUCTIONS CAREFULLY. NOTE THE SAFE OPERATIONAL REQUIREMENTS, WARNINGS AND CAUTIONS.
USE THE PRODUCT CORRECTLY AND WITH CARE FOR THE PURPOSE FOR WHICH IT IS INTENDED. FAILURE TO DO SO MAY CAUSE
DAMAGE AND/OR PERSONAL INJURY AND WILL INVALIDATE THE WARRANTY. PLEASE KEEP INSTRUCTIONS SAFE FOR FUTURE USE.
1. SAFETY INSTRUCTIONS
1.1 GENERAL SAFETY
WARNING! Ensure that Health & Safety, local authority and general workshop practice regulations are adhered to when using
!
this equipment.
WARNING! DO NOT aim the laser beams at your or another person's or animal's eye and beware of reflections from mirrors or other
!
shiny surfaces.
" Familiarise yourself with the applications, limitations, and potential hazards of the thermometer.
" Keep the thermometer clean and in good condition.
fig.6
" Protect the thermometer from the following:
- Electro-magnetic fields from engine components closer than 125mm.
- Static electricity.
- Thermal shock caused by large and/or rapid ambient temperature change.
- High temperatures.
# DO NOT get the thermometer wet or use in damp or wet locations or areas where there is condensation.
# DO NOT use the thermometer for any purpose other than that for which it is designed.
# DO NOT allow untrained persons (particularly children) to operate the thermometer.
# DO NOT operate the thermometer when you are tired or under the influence of alcohol, drugs or
WARNING! The warnings, cautions and instructions discussed in this instruction manual cannot cover all possible conditions and
!
situations that may occur. It must be understood that common sense and caution are factors which cannot be built into this product, but must
be applied by the operator.
1.2 LASER SAFETY.
The VS905 utilises a Class II laser that emits low levels of visible radiation (i.e. wavelengths between 400 and 700 nanometres)
which are safe for the skin but not inherently safe for the eyes. The Class II emission limit is set at the maximum level for which
fig.7
eye protection is normally afforded by natural aversion responses to bright light. Accidental eye exposure is therefore normally
safe, although the natural aversion response can be overridden by deliberately staring into the beam, and can also be influenced
by the use of alcohol or drugs.
WARNING! Do not look or stare into the laser beam as permanent eye damage could result.
!
DO NOT direct the laser beam at any person's (or animal's) eyes as eye damage could result.
$
DO NOT operate the thermometer when you are tired or under the influence of alcohol, drugs or intoxicating medication.
#
Be aware that reflections of the laser beam from mirrors or other shiny surfaces can be as hazardous as direct eye exposure.
"
2. INTRODUCTION/SPECIFICATION
High resolution laser thermometer suitable for a wide range of garage and workshop applications. Twin-spot laser targeting
enables accurate readings by guiding user to the unit's optimum targeting distance - when the two laser dots merge into one,
unit is reading a 13mm disc of temperature. This makes the unit especially suited for work where space is at a premium and
accurate focus on the target is required such as in engine bays and on circuit boards. Temperature is displayed on back-lit LCD
screen which features hold function for ease of use. Temperature can be shown in either °C or °F. Powered by 9Volt PP3
battery. Supplied with belt pouch.
SPECIFICATION.
Temperature Range . . . . . . . . . . . .-50 to 550
Ambient Operating Range . . . . . . .0 to 50
Response Time . . . . . . . . . . . . . . .150ms
Spectral Response . . . . . . . . . . . .8~14um
Assumes ambient operating temperature of 23 to 25°C (73 to 77°F).
Target Temperature . . . . . . . . . . .Accuracy
-50 to -20 O C (-58 to 68 O F) . . . . . . .±2.5
20 to 300 C (68 to 572 F) . . . . . . .±1% ±1.0°C (1.8
O O
300°C to 550°C (572 to 1022
Over Range Indication . . . . . . . . . .LCD will show ' ---- '
Diode Laser
Operating Temp. . . . . . . . . . . . . . .0 to 50
Storage Temp. . . . . . . . . . . . . . . . .0 to 60°C (14 to 140°F)
Relative Humidity . . . . . . . . . . . . .10%~90%RH operating, <80%RH storage
Battery . . . . . . . . . . . . . . . . . . .9V
INSTRUCTIONS FOR: INFRARED TWIN-SPOT
LASER DIGITAL THERMOMETER 12:1
VS905
Model:
C (-58 to 1022 F)
O O
C (32 to 122 F)
O O
O C (4.5 O F)
F)
O
O F) . .± 1.5%
Output <1mW, Wavelength 630-670nm
Class ll
O C (32 to 122 O F)
intoxicating medication.
VS905 - 1 - 260607