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INFRARED LASER DIGITAL THERMOMETER 

(12:1)

model no: 

VS900.V4

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.

IMPORTANT:

 PLEASE READ THESE INSTRUCTIONS CAREFULLY. NOTE THE SAFE OPERATIONAL REQUIREMENTS, WARNINGS & 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. KEEP THESE INSTRUCTIONS SAFE FOR FUTURE USE.

1.  SAFETy

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.

 

9

   Familiarise yourself with the applications, limitations, and potential hazards of the thermometer.

 

9

   Keep the thermometer clean and in good condition.

 

9

   Protect the thermometer from the following:

  

electro-magnetic fields from engine components, arc welders and induction heaters closer than 125mm.

 

 

Static electricity.

 

 

Thermal shock caused by large and/or rapid ambient temperature change.

 

 

High temperatures.

 

8

  DO NOT

 get the thermometer wet or use in damp or wet locations or areas where there is condensation.

 

8

  

DO NOT

 take readings through transparent materials such as glass or clear plastic. The surface temperature of these materials will be  

 measured.

 

8

   DO NOT

 use the thermometer in areas where there is steam, dust or smoke. These conditions will result in erroneous readings.

 

8

   DO NOT

 use the thermometer

 

for any purpose other than that for which it is designed.

 

8

   DO NOT

 allow untrained persons (particularly children) to operate the thermometer.

 

8

   DO NOT

 operate the thermometer

 

when you are tired or under the influence of alcohol, drugs or intoxicating medication.

1.2.    

LASER SAFETy

 

The VS900.V4 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 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. 

 

Be aware that reflections of the laser beam from mirrors or other shiny surfaces can be as hazardous as direct eye exposure. 

2.  INTRODucTION

detects energy emission in the infrared spectrum and converts reading into a display of temperature. Features laser pointer, data hold and 

auto power off. Temperature is displayed on a large 23mm lCd Hd colour screen with back-lit display for use in low light areas. Temperature 

can be shown in either °C or °F. Temperature Range: -50°C to +400°C (-58°F to +752°F). Powered by 2 x AAA batteries (not supplied).

3.  SpEcIFIcATION

model no.................................................................VS900.V4

Accuracy ......................................................................±1.5%

Focal ratio ....................................................................... 12:1

Temperature range .......... -50°C to +400°C (-58°F to +752°F)

4.  FEATuRES

 

LcD DISpLAy, 

fig.1

 

A: DATA HOLD 

 

B: ScANNING 

 

c: LASER ON 

 

D: BAck LIGHT ON

 

E: BATTERy pOWER

 

F: SELF cALIBRATION

 

G: EMISSIVITy

 

H: ENVIRONMENTAL TEMpERATuRE IcON

 

I: MAxIMuM

 

J: MINIMuM

 

k & L: uNITS OF MEASuREMENT

VS900.V4 Issue 1 21/08/19

Original Language Version

© Jack Sealey limited

Refer to 

instructions

fig.1

Warning! 

laser beam

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