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USB CONNECTION (OPTIONAL CABLE REQUIRED)

Plug the 3.5mm cable jack into the meter’s USB output 

and the 9-pin connector into the computer’s COM port. 

Press the 

POWER

 button to turn the meter on.

Format: 1 Stop Bit, 8 Data bits, TXXXX.XF, VXXXXFTM, 

TXXX.XC, VXXXXMPS

AUTOMATIC SHUT OFF

After about 15 minutes without activity, the meter will 

beep 3 times then shut off to preserve battery life. 

 

To disable:

1.  With the unit turned off, simultaneously press 

 

the 

POWER 

and 

HOLD

 buttons.

2.  Release the 

POWER

 button.

3.  When “n” displays, release the

 HOLD

 button.  

The meter will remain on until the 

POWER

 button  

is pressed again.

BATTERY REPLACEMENT

Replace the 9V battery when “LOW BATTERY” is 

displayed. In-spec measurements may be made for 

several hours after the low battery indicator appears.

Summary of Contents for 840003

Page 1: ...asures air velocity in 5 scales m s km hr mile hr knots or ft min as well as temperature in ºC or ºF Other features include hold max min a USB computer interface auto power off low battery indicator and a large LCD with dual display and audible beeps when buttons are pressed Anemometer Thermometer 840003 ...

Page 2: ...hr or knots in the US mode and m s km hr or knots in the metric mode 5 For measuring air velocity in difficult to reach areas press the HOLD button during the reading This freezes the measurement on the display Press the HOLD button again to exit this feature Continuous Moving Average displayed for up to 2 hours provided the Automatic Shut Off feature is disabled 1 Press the POWER button to turn t...

Page 3: ...isplayed 7 Press the MAX MIN button again to display the average velocity AVG is displayed 8 To clear the readings either turn off the unit or press the MAX MIN button until the unit beeps twice Air Velocity Average Multi Point 1 Press the POWER button to turn the meter on 2 Place the unit at the first point to be measured 3 Press the HOLD button to store the first measurement The unit will beep o...

Page 4: ...F or M s and C will be displayed To switch modes press the HOLD button for metric or the AVERAGE button for US settings 4 Save the setting by pressing the MAX MIN button S will display 5 Press the HOLD button to continue to the baud rate selection 6 Set the baud rate required by your software s instructions For 840052 make sure that the software and the meter are both set to 2400 baud rate 7 Press...

Page 5: ...out 15 minutes without activity the meter will beep 3 times then shut off to preserve battery life To disable 1 With the unit turned off simultaneously press the POWER and HOLD buttons 2 Release the POWER button 3 When n displays release the HOLD button The meter will remain on until the POWER button is pressed again BATTERY REPLACEMENT Replace the 9V battery when LOW BATTERY is displayed In spec ...

Page 6: ...AUTIONS DO NOT use the meter in air velocities that exceed the specified range DO NOT use the meter at or near hurricane wind velocities DO NOT use the meter in air that exceed the operating temperature range ...

Page 7: ...n 1 3 0 4 to 30 m sec 0 01 0 9 to 68 mil hr 0 1 0 8 to 58 knots 1 4 to 108 km hr 10 to 50 C 0 1 0 6 C 14 to 122 F 1 0 F Battery Life Apx 100 hrs Max Reading 9999 Sampling Time Meter 1 second USB output every 2 sec Dimensions 7 3 1 184 76 44 mm Weight 7 oz 198 g ...

Page 8: ...if available This warranty does not cover probes batteries battery leakage or damage resulting from accident tampering misuse or abuse of the product Opening the meter to expose its electronics will void the warranty To obtain warranty service ship the unit postage prepaid to SPER SCIENTIFIC LTD 8281 E Evans Rd Suite 103 Scottsdale AZ 85260 The defective unit must be accompanied by a description o...

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