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Model 6621-P / 6631-P
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Measuring Function
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Air velocity, air temperature and static pressure
(static pressure by 6631 only)
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Measuring Object
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0∼100℃ clean airflow
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Measuring Range
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Air velocity : 0.1∼50m/s
Air temperature : 0∼100℃
Static pressure : 0∼±5kPa
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Measuring Accuracy
and indication resolving
power
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Range
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Accuracy
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Indication Resolving
Power
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Air Velocity
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0.1∼5m/s
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±0.1m/s
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0.01m/s
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5∼10m/s
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±0.2m/s
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10∼25m/s
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±0.5m/s
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0.1m/s
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25∼50m/s
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±1.0m/s
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Air temperature
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0∼100℃
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±0.5℃
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0.1℃
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Static Pressure
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±0∼1kPa
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±0.03kPa
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±0.01kPa
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±1∼2kPa
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±0.05kPa
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±2∼5kPa
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±0.1kPa
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Temperature
compensation accuracy
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±5% FS in a temperature range of 5∼80℃
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Response
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Air velocity : Approx. 1sec (90% at air velocity of 1m/s)
Air temperature : Approx. 10sec (90% at air velocity of 1m/s)
Static pressure : Less than 1sec (90% at less than 3m of
connecting tube)
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Display
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Digital (simultaneous display of air velocity and temperature or static
pressure)
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Analog output terminal
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DC 0∼1V (output impedance 47Ω) ... Model 6621-PA, 6631-PA only
Simultaneous 2ch output for air velocity and temperature
(static pressure changeover)
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Digital output terminal
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RS-232C (1,200 or 4,800 bps)
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Printer
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Thermal type (built-in)
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Memory
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Max. 999 data (in case of 1-page/measurement)
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Power supply
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Ni-Cd Battery, AC Adaptor is only for recharge (DC12.5V, 450mA)
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Operating temperature
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5∼40℃
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Dimensions
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Main body : 318 x 222 x 48mm
Probe : 190∼480(flexible) dimension of extension rod Ø10∼14mm
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Weight
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Main body : Approx. 1.9㎏, Porbe : Approx. 200g (curl cord include)
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Components
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Main Unit(1), Probe(1), Curl Cord(1), Ni-Cd Battery & AC Adaptor(1),
Printer Paper(1)
Thermal Printer(1), Pressure Tube 2m(1) ... Model 6631 only,
Operation Manual(1)
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){kind=small}
Maintenance and examination of air conditioning system.
