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Testo 6443 Compressed Air Flow Transmitter (1 1/2" line) - 0555 6443

Item #:
0555-6443
Brand:
Testo
Testo 6443 Compressed Air Flow Transmitter (1 1/2" line) - 0555 6443
$1,175.00
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Testo 6443 Compressed Air Flow Transmitter (1 1/2" line) - 0555 6443

Testo 6443 Compressed Air Flow Transmitter (1 1/2" line) - 0555 6443

$1,175.00

0555 6443 Compressed Air Flow Transmitter (1 1/2" line) by Testo

The compressed air counters testo 6441 to testo 6444 are designed for the measurement, monitoring and recording of compressed air consumption, and therefore also for the determination of leakages in compressed air systems, consumption-based allocation of costs and the implementation of peak load management. Using the compressed air counters testo 6441 to testo 6444, transparency of consumption is created for compressed air, similarly as for the media current, water or gas, thus increasing the motivation of those responsible for the process regarding cost reduction measures and energy savings. The compressed air counters testo 6441 to testo 6444 record norm volume flow according to the calorimetric principle, which means the measurement procedure is independent of the process pressure and does not cause a permanent pressure drop. While the thermal, glass-coated ceramic sensor offers a high level of robustness and fast response times, the integrated inflow and outflow pipes ensure optimum accuracy.

  • Measurement of norm volume flow in the measuring range 0.25 to 700 m3/h (DN15 to DN50 or 1/2"-2"); consumption quantity in m3; media temperature in °C
  • Highest flexibility thanks to different signal outputs: Analog output 4 to 20 mA (4-wire), Pulse output, 2 switch outputs (parameterizable: consumption or volume flow-dependent, opener, closer, hysteresis, window)
  • Built-in totalizer, even without additional analysis unit
  • Operating menu with LED display
 
testo 6441
testo 6442
testo 6443
testo 6444
Measurement parameters
(Norm) volume flow
Selectable units
m3/h; l/min; m3
Measuring range(1:300)1
0.25 to 75 m3/h
9 to 2750 m3/h
1.3 to 410 m3/h
2.3 to 700 m3/h
Accuracy
(norm volume flow)
For compressed air quality classes (ISO 8573: particles-humidity-oil) 1-4-1: ±3 % of meas. value ±0.3 % of final value
For compressed air quality classes (ISO 8573: particles-humidity-oil) 3-4-4: ±6 % of meas. value ±0,6 % of final value
Sensor
Thermal, glass-coated ceramic sensor (calorimetric measurement procedure)
Response time
<0.1 sec (for damping parameter = 0), delayable via operating menu (0 to 1 sec)
Temperature
Unit
°C
Measuring range
0 to +60 °C / +32 to +140 °F
Measurement uncertainty
±2 K
Inputs and outputs
Analog outputs
Output type
4 to 20 mA (4-wire) freely scalable between zero and measuring range end
Load
max. 500 Ω
Further outputs
Pulse output
Consumption quantity counter (value remains available after reset or power cut due to non-volatile memory), value 1 or 10 m3, pulse length 0.02 s to 2 s, 24 VDC level
Switch output
2 switch outputs, parameterizable (consumption or volume flow-dependent, opener, closer, hysteresis, window), loadable with max. 20 to 30 VDC or 250 mA each, switch status is displayed via 2 LEDs
Supply
Voltage supply
19 to 30 VDC
Current consumption
<100 mA
Connection
M12 x 1 plug, loadable up to 250 mA, short-circuit-proof (synchronized), reverse-polarity-proof, overload-proof.
General technical data
Design
Material housing
PBT (GF 20%), diecast zinc, silica-free
Long measurement stretch
300 mm
475 mm
Pipe diameter
DN 15 (for 1/2" pipes)
DN 25 (for 1" pipes)
DN 40 (for 1 1/2" pipes)
DN 50 (for 2" pipes)
Weight
0.9 kg
1.1 kg
3.0 kg
3.8 kg
Display
Material
4-figure alphanumerical display, two operating buttons, operating menu, LED (4 x green for phys. units, 3 x yellow for display x 1,000 or switch status)
Max. display value norm volume flow
90 m3/h
270 m3/h
492 m3/h
840 m3/h
Temperature display
0 to +60 °C, measurement error ±2 K, (+32 to +140 °F)
Miscellaneous
Protection class
IP65/III
EMC
according to guideline 89/336 EEC
Media contact
Materials stainless or galvanized steel, PEEK, polyester, Viton, anodized aluminium, ceramic
Operating conditions
Humidity (sensor)
rel. humidity <90 %RH
Operating temperature (housing)
0 to +60 °C (+32 to +140 °F)
Storage temperature
-25 to +85 °C (-13 to +185 °F)
Measurement medium
Compressed air, on request also CO2 or N2
Process pressure
PN 16 (max 16bar/232psi)
Air quality
ISO 8573: recommended classes 1-4-1

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