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1. 3 8 Measurement Mode The AV85 should be held with the rear of the meter facing the airflow so the user can view the display while taking measurements Press aq for lt 1 second to scroll through the following measurements on the upper display wind velocity relative humidity or dew point temperature or wet bulb temperature as selected in section 3 7 the LCD will display or td or WB respectively wind chill temperature the LCD will display WCT The lower display indicates the measured Air temperature 3 9 Max Min Mode The AV85 has the facility to display the maximum reading the minimum reading the difference between maximum and minimum readings and the average reading To enter the Max Min mode press MODE while in Measurement mode The LCD will display HOLD and the last measured value will be held on the display Successive presses of the MODE button will display the following in sequence MAX maximum reading MIN minimum reading MAX MIN difference between max and min readings AVG average reading The unit will return to the Measurement mode at the end of the above sequence 4 MAINTENANCE 4 1 Battery Replacement Push the battery cover up towards the vanes and lift away from the back of the AV85 Remove the old batteries from the battery compartment Replace with 2 x new AAA batteries IEC LRO3 NEDA 24A observing correct polarity as indicated on the base of the battery compartment Repla
2. 7 Set Mode 3 8 Measurement Mode 3 9 Max Min Mode NN OO TTLGKTO HH HL BS 4 Maintenance 4 1 Battery Replacement 4 2 Calibration 4 3 Cleaning 4 4 Repair amp Service 4 5 Storage Conditions 5 Warranty Specifications 1 2 Precautions Please pay attention to the following cautions before use A Cautions The AV85 must only be used under the conditions and for the purposes for which it has been constructed and specified Before use check the unit for cracks or any other damage Make sure the unit is free from dust grease and moisture Do not use if damaged Avoid severe mechanical shock or vibration and extreme temperature To avoid possible corrosion from leaking batteries remove the batteries if discharged or when the unit is not in use for an extended period 2 INTRODUCTION 2 1 Inspection Examine the shipping carton for any sign of damage Inspect the unit and any accessories for damage If there is any damage then consult your distributor immediately 2 2 Description The Martindale AV85 has the following measurement functions e Wind velocity from 0 4 to 20 m s 80 to 4000 ft m Relative humidity from 0 to 100 R H Air dew point wet bulb and wind chill temperature from 20 C to 60 C 4 F to 140 F Further functions and features are Hold Max Min Max Min and Average functions Auto power off Low battery indication LCD display with backlight Pocket sized compact body 2 3 Acce
3. AV85 HYGRO ANEMOMETER Instruction Manual MARTINDALE SBELECTRIC 1 SAFETY INFORMATION A REMEMBER SAFETY IS NO ACCIDENT These instructions contain both information and cautions that are necessary for the correct operation and maintenance of this product It is recommended that you read the instructions carefully and ensure that the contents are fully understood Particular attention should be paid to the Precautions and Technical Specifications Please keep these instructions for future reference Updated instructions and product information are available at www martindale electric co uk 1 1 Meaning of Symbols and Markings A Caution refer to instructions C Equipment complies with relevant EU Directives End of life disposal of this equipment should be in accordance with relevant EU Directives A aways READ THESE INSTRUCTIONS BEFORE PROCEEDING Thank you for buying one of our products For safety and a full understanding of its benefits please read this manual before use Technical support is available from 01923 441717 and support martindale electric co uk CONTENTS 1 Safety Information 1 1 Meaning of Symbols and Markings 1 2 Precautions 2 Introduction 2 1 Inspection 2 2 Description 2 3 Accessories 2 4 Battery Installation WOwWwow wo 3 Operation 3 1 Low Battery Indication 3 2 Description of Press Buttons 3 3 Description of LCD Symbols 3 4 Power On Off 3 5 Auto Power Off 3 6 Backlight 3
4. ce the battery cover Note Do not mix old and new batteries 4 2 Calibration To maintain the integrity of measurements made using your instrument Martindale Electric recommends that it is returned at least once a year to an approved Calibration Laboratory for recalibration and certification Martindale Electric is pleased to offer you this service Please contact our Service Department for details Email service martindale electric co uk Tel 01923 650660 4 3 Cleaning If contamination is found clean with a damp soft cloth and if necessary a mild detergent Do not use abrasives abrasive solvents or detergents which can cause damage to the unit If a mild detergent is used the unit should subsequently be thoroughly cleaned with a water dampened soft cloth After cleaning dry and allow to remain in a dry environment for 2 hours before use To clear the recorded readings press mone for 2 seconds at any point in the above sequence The unit will return to the Measurement mode 4 4 Repair amp Service There are no user serviceable parts in this unit other than those that may be described in section 4 Return to Martindale Electric if faulty Our service department will provide a quotation to repair any fault that occurs outside the guarantee period Before the unit is returned please ensure that you have checked the unit and batteries 4 5 Storage Conditions The instrument should be kept in warm dry conditions away fro
5. ecial indirect incidental or consequential damages or losses including loss of data arising from any cause or theory Since some jurisdictions do not allow limitation of the term of an implied warranty or exclusion or limitation of incidental or consequential damages the limitations and exclusions of this warranty may not apply to every buyer If any part of any provision of this warranty is held invalid or unenforceable by a court or other decision maker of competent jurisdiction such holding will not affect the validity or enforceability of any other provision or other part of that provision Nothing in this statement reduces your statutory rights Specification Buea AV85 ELECTRIC Hygro Anemomefter Sensor digital capacitive humidity sensor Sensor response time for 90 of total range 60 seconds typical Sensor hysteresis excursion of 10 to 90 to 10 R H 1 R H typical GENERAL Display liquid crystal display Measurement rate once per second Power 2 x 1 5V AAA alkaline batteries IEC LRO3 NEDA 24A Continuous operating time 50 hours typical Auto power off after approx 10 minutes Low battery indication The L is displayed when the battery voltage drops below the operating level Dimensions 132 9 L x 50 9 W x 24 7 D mm Weight Approx 119g including batteries Includes protective cover 2 x 1 5V AAA batteries detachable carry strap and instructions ENVIRONMENTAL Operating envir
6. hed off while in the Set mode any changed settings will not be saved and the unit will revert to the previous settings Indicates dew point temperature is being displayed 3 4 Power On Off To power on in Measurement mode press for less than 1 second To power on in Set mode press for 2 seconds To power off the unit press for 2 seconds 3 5 Auto Power Off APO If the unit is inactive for a period of 10 minutes it will automatically power off To disable this function refer to section 3 7 3 6 Backlight Press for less than 1 second to turn on the backlight It will automatically turn off after 15 seconds if there is no further operation of the unit 3 7 Set Mode This mode sets the following in the order shown Unit of Wind Velocity Measurement The LCD will flash the currently set unit of wind velocity measurement after entering the Set mode Press A to select Beau m s km h ft min mph or Kts Press gt to advance to the next function Temperature Scale The LCD will flash the currently set temperature scale Press Al to select C or F Press i gt to advance to the next function RH Dew Point td Wet Bulb WB Measurement The LCD will flash the currently set measurement Press Al to select td or WB Press Mone to advance to the next function APO The LCD will display APO Press gy to select ON or OFF as required Press mone to save settings and return to the Measurement mode
7. m direct sources of heat or sunlight and in such a manner as to preserve the working life of the unit It is strongly advised that the unit is not kept in a tool box where other tools may damage it 5 WARRANTY AND LIMITATION OF LIABILITY This Martindale product is warranted to be free from defects in material and workmanship under normal use and service The warranty period is 2 years and begins on the date of receipt by the end user This warranty extends only to the original buyer or end user customer and does not apply to fuses disposable batteries test leads or to any product which in Martindale s reasonable opinion has been misused altered neglected contaminated or damaged by accident or abnormal conditions of operation handling or storage Martindale authorised resellers shall extend this warranty on new and unused products to end user customers only but have no authority to extend a greater or different warranty on behalf of Martindale Martindale s warranty obligation is limited at Martindale s option to refund of the purchase price free of charge repair or replacement of a defective product which is returned to Martindale within the warranty period This warranty is the buyer s sole and exclusive remedy and is in lieu of all other warranties expressed or implied including but not limited to any implied warranty of merchantability or fitness for a particular purpose Martindale shall not be liable for any sp
8. onment 20 C to 60 C at lt 70 R H Storage environment 20 C to 60 C lt 80 R H with batteries removed EMC Conforms to BS EN61326 1 _ Specification MARTINDALE BRN eELECTRIC Hygro Anemomefter All specified accuracies are at 23 C 5 C lt 70 R H for 1 year Temperature coefficient 0 1 x specified accuracy per C 20 C to 18 C 28 C to 60 C AIR FLOW 0 4 to 20 mis 0 2 m s 2 of reading 80 to 4000 ft min 40 ft m 2 of reading AIR TEMPERATURE 0 5 C 0 C to 45 C 20 C to 60 C 0 1 C wowere ore eee eee 1 F 32 F to 113 F 4 F to 140 F 0 1 F pe a 2 F 4 F to 32 F 113 F to 140 F RELATIVE HUMIDITY 2 5 10 to 90 R H 5 0 to 10 90 to 100 R H 0 to 100 R H 0 1 R H Check out what else you can get from Martindale 17th Edition Testers Accessories Motor Maintenance Equipment Multifunction Testers Calibration Equipment Non trip Loop Testers Pat Testers amp Accessories Phase Rotation Testers Continuity Testers Electricians Kits Environmental Products Proving Units Full Calibration amp Repair Service Socket Testers Fuse Finders Thermometers amp Probes Test Leads Voltage Indicators Specialist Metrohm Testers 4 amp 5kV Specialist Drummond Testers Digital Clamp Meters Digital Multimeters Labels Microwave Leakage Detectors MARTINDALE SOS BELELCTRIC Martindale Electric Company Limited Metrohm H
9. ouse Penfold Trading Estate Imperial Way Watford WD24 4YY UK Tel 44 0 1923 441717 Fax 44 0 1923 446900 E mail sales martindale electric co uk Website www martindale electric co uk 2014 Martindale Electric Company Ltd Registered in England No 3387451 E amp O E LITAV85 Document Rev1
10. ssories The AV85 comes with the following accessories Protective cover for safe storage 2x 1 5V AAA batteries Detachable carry strap Instructions 2 4 Battery Installation Refer to Section 4 1 Battery Replacement for the battery installation instructions for the AV85 The average reading is displayed Indicates wet bulb temperature is being displayed 3 OPERATION 3 1 Low Battery Indication If the L symbol is displayed the battery needs replacing as measurement accuracy can no longer be guaranteed see section 4 1 Battery Replacement 3 2 Description of Press Buttons Selects Set mode settings Selects between alternative measurements Turns on off the AV85 turns on backlight Selects Set mode and Max Min mode functions 3 3 Description of LCD symbols Beau ft m mph Km h WCT OOO o E s HOLD MAX MIN AVG O00 A APO ENTER km h Kts m s displayed Selected temperature scale Hold mode is active OO m Minimum reading is displayed MAX MIN Hig Seen between maximum and minimum readings is displayed Unit of wind velocity measurement Temperature scale Humidity dew point temperature or wet bulb temperature measurement Auto power off APO The Set mode is selected by pressing button for 2 seconds with the unit powered off Indicates press of a button required Auto power off is activated Indicates low batteries ENTER Indicates press of MODE button required If the AV85 is switc

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