Technical data

MEASURING INSTRUMENTS
LEAKAGE AND PRESSURE
PRESSURE AND FLOW | WÖHLER DC 410
FLOW
Wöhler DC 410
FLOW
Pressure Differential & Flow Meter
APPLICATION
· One instrument for measurement of
pressure, air flow, temperature and
relative humidity
· Is tested to comply with standards
for ‘Ventilation for buildings – test
procedures & measuring methods for
handing over installed ventilation and air
conditioning systems’
ADVANTAGES
· Brillant full colour OLED display
· Technician-friendly one hand
operation with 4 button keypad
· Highly accurate with ‘no drift
technology’
· Pressure resolution of
0.1 Pa
· Differential temperature with two
probes
TECHNICAL DATA
Differential Pressure
Range .................................. ± 100 hPa
Accuracy .............................. < 3 % of the
reading, if the value is
< ± 10 Pa, better than
± 0,3 Pa
Resolution ............................ 0.1 Pa at -1,100 Pa to
+1,100 Pa, otherwise 1 Pa
Air speed
Range .................................. 0.3 m/s to 120 m/s
Resolution ............................ 0.01 m/s
Continuous density correction: automatic, with temperature
signal
Temperature (internal sensor)
Range .................................. -20 °C to 60 °C
Accuracy .............................. < ± 1 °C
Resolution ............................ 0.1 °C
External temperature probe
Range .................................. 2 canals, -20.0 °C
to +800.0 °C
Accuracy .............................. < ± 2 °C at 0 °C
to 133 °C, otherwise
1.5 % of the value,
according to the directive
EN 50379-2
Resolution ............................ 0.1 °C
Relative humidity
Range .................................. 0 % bis 100 % r.H.
(relative humidity), non
condensing
Accuracy .............................. < ± 2 % r.H., at 0 to
90 % r.H., otherwise
< 3 % r.H.
Resolution ............................ 0.1 % r.H.
Barometric Pressure
Range .................................. ± 300 hPa bis 1,100 hPa
Accuracy .............................. < ± 1.5 % hPa of reading
Resolution ............................ 0.1 hPa
Current consumption ........4 AA rechargeable
batteries or 4 AA disposable
batteries 1.5 volt
Interfaces ........................... USB interface for data
transfer to a PC. It is
possible to transfer the
data directly from the
meter to the Wöhler TD
600 thermal fast printer.
Operating temperature ...... 5 °C to +40 °C
Dimensions ........................ 80 x 225 x 60 mm
Wöhler DC 410
FLOW
Set
Scope of delivery:
Wöhler DC 410
FLOW
Pressure Differential & Flow Meter
brass connectors
2 x 1 m measuring hose
case DC 4xx
Prandtl tube 35 cm
air / flue gas temp. probe with 1 m cable
Wöhler DC 410
FLOW
Standard Set
Scope of delivery:
Wöhler DC 410
FLOW
Pressure Differential & Flow Meter
rechargeable batteries and charger
2 capillary hoses
Wöhler DC 4xx case
FAX: [phone]HOTLINE: [phone]
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