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Operating 

Max. 80% RH.

Humidity
Power Supply Heavy duty type DC 9V battery,

006P, MN1604(PP3) or equvalent.

Power Current Approx. DC 8.3 mA.

Weight

220 g/0.48 LB.

Size

Main instrument:

200 x 68 x 30 mm ( 7.9 x 2.7 x 1.2 inch ).

 

Vane Probe Head:

Round, 72 mm Dia.

Accessories

Instruction manual...................... 1 PC.

Vane probe...............................  1 PC.

Carrying case, CA-06................... 1 PC.

2-2 Electrical Specifications

A. Air velocity

Measurement  

Range

Resolution Accuracy

m/s

0.4 - 25.0 m/s

0.1 m/s 

2%+0.2m/s)

0.01m/s,<10m/s

km/h

1.4 - 90.0 km/h

0.1 km/h    2%+0.8km/h)

mph

0.9 - 55.9 mile/h

0.1 mile/h 2%+0.4mile/h)

knots

0.8 - 48.8 knots

0.1 knots   2%+0.4knots)

ft/min

80 - 4930 ft/min

1 ft/min    2%+40 ft/min)

Note:

 m/s - meters per second

km/h - kilometers per hour        

 ft/min - feet/per minute

knots - nautical miles per hour

 mph - miles per hour

(international knot)

B. Temperature

Measuring Range

 to 

6

0

C

 

/32 

 to 1

40F

 

Resolution

0.1 

/0.1 

Accuracy

0.8 

/1.5 

Remark :

Above specification are tested under the environment  RF Field

Strength less than 3 V/M & frequency less than the 30 MHz only.

3

Summary of Contents for DAF80PWM

Page 1: ......

Page 2: ...old Button 4 3 4 Record Max Min Button 4 3 5 Unit button 4 3 6 蚓 蚌 button 4 3 7 RS 232 Output Terminal 4 3 8 Probe Input Socket 4 3 9 Battery Compartment Cover 4 3 10 Stand 4 3 11 Vane Probe Head 4 3 12 Probe Handle 4 3 13 Probe Plug 4 4 MEASURING PROCEDURE 5 4 1 Air velocity Temperature measurement 5 4 2 Data Hold Date Record 5 5 AUTO POWER OFF DISABLE 7 6 RS232 PC SERIAL INTERFACE 7 7 BATTERY RE...

Page 3: ...n ball vane wheels is accurate in both high low velocity Thermistor sensor for Temp measurement fast response time Large LCD show the air velocity and the temperature value at the same time Records Maximum and Minimum reading with recall Data hold Auto shut off saves battery life RS 232 PC serial interface Operates from 006P DC 9V battery Used the durable long lasting components including a strong...

Page 4: ...ir velocity sensor Structure Conventional twisted van arm and low friction ball bearing design Temperature sensor Precision thermistor Circuit Custom one chip microprocessor LSI circuit Memory Records Maximum and Minimum Recall readings with recall Power off Manual off by push button or Auto shut off after 10 minutes Not activated during memory record function Data Output RS 232 PC serial interfac...

Page 5: ...ccuracy m s 0 4 25 0 m s 0 1 m s 2 0 2m s 0 01m s 10m s km h 1 4 90 0 km h 0 1 km h 2 0 8km h mph 0 9 55 9 mile h 0 1 mile h 2 0 4mile h knots 0 8 48 8 knots 0 1 knots 2 0 4knots ft min 80 4930 ft min 1 ft min 2 40 ft min Note m s meters per second km h kilometers per hour ft min feet per minute knots nautical miles per hour mph miles per hour international knot B Temperature Measuring Range 0 蚓 t...

Page 6: ...lay 3 8 Probe Input Socket 3 2 Power Button 3 9 Battery Compartment Cover 3 3 Hold Button 3 10 Stand 3 4 Record Max Min Button 3 11 Vane Probe Head 3 5 Unit button 3 12 Probe Handle 3 6 蚓 蚌 button 3 13 Probe Plug 3 7 RS 232 Output Terminal 4 ...

Page 7: ... wind In the same time the air velocity and the temp value will show on the LCD display Measuring Consideration The yellow dot mark on the sensor head indicates the yellow dot mark need to face against the direction of air flow 4 2 Data Hold Date Record 1 Data Hold a During the measurement pushing the Data Hold Button 3 3 Fig 1 will hold the measured value the LCD will indicate HOLD symbol b Push ...

Page 8: ... display Note If intend to delete the minimum value just press the Hold Button 3 3 Fig 1 for a while and then the display will show the REC symbol only execute the memory function continuously c To exit the memory record function just press the REC button for 2 seconds at least The display will revert to the current reading 5 AUTO POWER OFF DISABLE The instrument has Auto Power Off function in ord...

Page 9: ... s specific application A RS232 lead with the following connection will be required to link the instrument with the PC serial port Meter PC 3 5 mm jack plug 9W D Connector Center Pin Pin 4 Ground shield Pin 2 2 2 K resistor Pin 5 RS232 CABLE UPCB 02 The 16 digits data stream will be displayed in the following format D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0 7 ...

Page 10: ...not 09 D13 When send the upper display data 1 When send the lower display data 2 D14 4 D15 Start Word 56 250 7 1 77 5 5 3 0 17 1 When the left corner of LCD display show it is necessary to replace the battery However in spec measurement may still be made for several hours after low battery indicator appears 2 Slide the Battery Cover 3 9 Fig 1 away from the instrument and remove the battery 3 Repla...

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