TACHIMETRO DIGITALE PER AUTOMOBILI
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1. 1500 3 000 100 200 300 750 750 1 500 100 300 200 750 500 1 500 Measuring Humidity Temperature 1 Humidity Measurement ODO Set the function Switch to RH position Then the display will show the humidity reading value RH directly When the tested environment humidity value changed It need to a few minutes to get the stable RH reading Warning Don t expose the humidity sensor to direct sunlight Don t touch or manipulate the humidity sensor 2 Temperature Measurement a EE GO Set the function Switch to TEMP Press Select Button Selects 0 1 C or 1 C and 0 1 F or 1 F range The display will show the temperature reading value C F Insert the temperature probe into the K type thermocouple socket Touch the end of the temperature sensor onto the area or surface of the object to be measured The display will show the temperature reading value C F Warning Never attempt a voltage measurement with the test leads inserted into the K type thermocouple socket This may cause injury or damage to the meter 6 MAINTENANCE Battery Replacement Ifthe sign BAT appears on the LCD display it indicates that the battery should be replaced Open the battery case and replace the battery with 1 x 9V battery Order code YA12N Patent Pending Z ce Maplin Electronics Ltd Brookfields Way Manvers Wath Upon Dearne Rotherham S63 5DL www maplin co uk2. 1KHZ sine wave Microphone Electric condenser microphone Light Measuring Range 20 200 2000 20 000lux 20 000lux range reading x10 Overrate Display Highest digit of 1 is displayed Accuracy 5 rdg 10 dgts calibrated to standard incandescent lamp at color temperature 2856k Repeatability 2 Temperature Characteristic 0 1 C Photo detector One silicon photo diode with filter Humidity Temperature Measurement Range Humidity 25 95 RH Temperature 20 0 C 50 0 C 4 F 122 F K type 20 0 C 200 0 C 20 C 750 C 4 0 F 200 F 4 F 1400 F 3 Resolution 0 1 RH 0 1 C 1 C 0 1 F 1 F Accuracy after calibration Humidity 5 RH at 25 C 35 95 RH Response time of the humidity sensor approx 6min Temperature 3 rdg 2 C at 20 0 C 200 0 C 3 5 rdg 2 C at 20 0 C 750 C 3 rdg 2 F at 4 0 F 200 0 F 3 5 rdg 2 F at 4 F 1400 F Input Protection 60V dc or 24V ac rms 4 PANEL DESCRIPTION LIGHT METER 0 20000LUX TEMPMETER 2000 750C 40F 1400F HUMIDITY METER 25 95 RH SOUND LEVEL METER 10 35 10088 H 35 1008 Frequency Weighting A C E 1 LCD display 3 digits with units of Lux x10 Lux C F RH dB A C Lo Hi and low battery BAT MAX HOLD DATA HOLD indication 2 Power Button Switches unit ON or OFF Selection Button Selects Functions and ranges 4 MAX HOLD If you press the MAX button the max
3. PRECISION ViGoLD INSTRUCTION MANUAL MODEL NO9AQ Multi Function Environment Meter 4 IN 1 SOUND LEVEL LIGHT HUMIDITY TEMPERATURE CONTENTS TITLE Introduction Features Specifications Panel layout Operating instructions Maintenance OO OGA RON 1 INTRODUCTION The 4 in 1 digital multi function Environment Meter has been designed to combine the functions of a Sound Level Meter Light Meter Humidity Meter and Temperature Meter It is an ideal multi functional test instrument with scores of practical applications for professional and home use The sound level function can be used to measure noise in factories schools offices airports home etc checking the acoustics in studios theatres and hi fi installations The light function is used to measure the Lux level It is fully cosine corrected for the angular incidence of light The light sensitive component used in the meter is a very stable long life silicon diode There is a semiconductor sensor for Humidity measurements and a K type thermocouple for temperature measurement This user s manual contains general information and specifications 2 FEATURES 4 measuring functions sound level light humidity and temperature 3 large LCD display with units of Lux C F RH and C amp dB A amp dB indication e Easy to use _ Light measuring levers ranging from 0 01 lux to 20 000 lux 1 Sound level range ALO lo
4. imum reading will be held Pressing the button again releases the hold and allows va further measurements 5 DATA HOLD The reading will be held when the Data Hold button is pressed Ifthe button is pressed again this will release the hold and allow further measurements 6 Function Switch Selects measurement functions of Lux Temperature Humidity and Sound Level 7 Microphone Electric condenser microphone oo Photo Detector Long life silicon photo diode 9 Humidity and Temperature Humidity Sensor and Semiconductor Sensor 10 Temperature Terminal Insert the temperature probe in this terminal 5 OPERATING INSTRUCTION Measuring Sound Level 1 Turn the function Switch to dB position 2 Point the microphone at the sound source in a horizontal position 3 Press Select Button Selects A amp dB C amp dB Lo amp dB and Hi amp dB 4 The A C weighting curve is nearly uniform over the frequency range form 30 to 10kHz thus giving an indication of overall Sound level 5 The fast response is suitable to measure short bursts and peak values from the sound source 5 6 The sound level will be displayed 7 Note Strong winds over 10m sec can cause mis readings in measurements In these conditions a wind screen should be used in front of microphone Measuring Light 1 Turn the function switch to select Lux 2 Point the photo detector towards the light source in a horizontal position 3 Pressing
5. the select button selects 20 200 2000 20 000 LUX ranges 4 Read the illuminance from the LCD display 5 Over range If the instrument only displays 1 in the M S D the input signal is too strong and a higher range should be selected 6 When the measurement is completed remove the photo detector from the light source 7 Spectral sensitivity characteristic To the detector the photo diode with filters makes the spectral sensitivity characteristic almost meet C LE International Commission on Illumination photopia curve V X as the following chart described 100 Relative Sensitivity Spectral Sensitivity feo ZK Tf ve joo INT 0 jaw YY Not pow A K ee KM N VN 400 500 600 700 Wavelength nm 6 8 Recommended Illumination Locations Office Conference Reception room Clerical work Typing drafting Factory Packing work Entrance passage Visual work at production line Inspection work Electronic parts assembly line Hotel Public room Cloakroom Reception Cashier Store Indoors Stairs Corridor Show window Packing table Forefront of show window Hospital Sickroom Warehouse Medical Examination room Operation room Emergency Treatment School Auditorium Indoor Gymnasium Class room Laboratory Library Drafting room Lux 200 750 700 1 500 1000 2 000 150 300 300 750 750 1 500 1500 3 000 100 200 200 1 000 150 200 750 1 500
6. w Weighting 35 100 dB AHI High Weighting 65 130 dB C LO low Weighting 35 100 dB C HI High Weighting 65 130 dB Resolution 0 1 dB Humidity measurement from 25 RH to 95 RH with 0 1 RH resolution and fast time response e Temperature measuring levers ranging from 20 0 C 750 C 4 F 1400 F 3 SPECIFICATIONS Display Large 1999 counts LCD display with function of Lux x10 Lux C F RH and dB A amp dB C amp dB Lo amp dB Hi amp dB MAX HOLD DATA HOLD indication Polarity Automatic negative polarity indication Over range OL mark indication Low battery indication The BAT is displayed when the battery voltage drops below the operating level Measurement rate 1 5 times per second nominal Storage temperature 10 C to 60 C 14 F to 140 F at lt 80 relative humidity Auto Power Off Meter automatically shuts down after approx 10 minutes of inactivity Power One standard 9V NEDA1604 or 6F22 battery Dimensions Wt 251 0 H x 63 8 W x 40 D mm 250g Photo Detector Dimensions 115 X 60 X 27 mm 2 Sound Level Measurement range ALO low Weighting 35 100 dB AHI High Weighting 65 130 dB C LO low Weighting 35 100 dB C HI High Weighting 65 130 dB Resolution 0 1 dB Typical instrument frequency range 30Hz 10KHz Frequency Weighting A C weighting Time Weighting Fast Maximum Hold Decay lt 1 5dB 3 min Accuracy 3 5 dB at 94 dB sound level
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