Flow transmitter testo 6454 perspective down

testo 6454 – flow transmitter 2,5 … 700 m³/h

Flow measurement - 2,5 ... 700 m³/h

  • Suitable for pipe diameter DN 50
  • Thread connection R 2
  • Best system integration thanks to two analog outputs: 4 ... 20 mA

 16 950:- exkl. moms

Delivery time: 5-10 working days

Delivery time: 5-10 working days

SKU: 0555 6454 Categories: , , ,

The flow transmitter testo 6454 fits the pipe diameter DN 50. Four measurement parameters in one instrument: air flow, totalizer, temperature and pressure.

  • Thread connection R 2
  • Direct compressed air measurement with simultaneous display of three measured values thanks to standard TFT display
  • Best system integration thanks to two analog outputs: 4 … 20 mA
  • Highest measurement accuracy and integrated measuring tube avoid measurement errors
  • Simple and cost-effective installation

In industrial companies, compressed air is an important energy source with high consumption costs. With Testo flow transmitters you get a very accurate measurement of compressed air consumption, allowing you to identify the potential for energy savings and lower costs. The flow transmitters can also be used for a targeted implementation of an environmental management system – e.g. according to ISO 50001 or ISO 14001.

Another application is leakage monitoring in compressed air systems. The flow transmitter can also be used to perform a peak load analysis to determine if compressed air is being generated with sufficient capacity. The newly developed “all-in-one sensor” records not only compressed air consumption and temperature, but also pressure, eliminating the need for a separate pressure measurement.

The flow transmitters of the testo 645X family use the calorimetric measurement principle, which makes additional pressure and temperature measurements unnecessary. In addition, there is no wear and tear on moving parts.

See the data sheet under the Download tab for full technical data.

Included in delivery

testo 6454 flow meter for compressed air

Product featuresSee the data sheet under the Download tab for complete technical data.
DiameterDN50
Process connectionThread connection R 2
Airflow measurement/adjustment range
Measurement range40 ... 11 670 l/min

0,3 ... 84 m/s

2,5 ... 700 m³/h
Temperature Coefficient (TC)±0,07 % mv. 1/K
Accuracy
(within measurement range)		Class 141: ±(2% mv. + 0.5% final weight); class 344: ±(6% mv. + 0.6% final weight) ; air quality according to ISO 8573-1:2010; at medium temperature + 23 °C
Repeat accuracy0.8% etc. + 0.2% final
Max display0 ... 14 000 l/min

0 ... 100,8 m/s

0 ... 840 m³/h
Resolution10 l/min / 0,1 m/s / 0,5 m³/h
Analog start point ASP0 ... 9 330 l/min

0 ... 67,2 m/s

0 ... 560 m³/h
Analog endpoint AEP2 330 ... 1 1670 l/min

16,8 ... 84 m/s

140 ... 700 m³/h
Low Flow Shutdown LFC30 ... 120 l/min

0,2 ... 0,8 m/s

2 ... 7 m³/h
Incremental area1 l/min / 0,1 m/s / 0,1 m³/h
Measuring/adjusting range for totalizer
Measurement range0 ... 100 000 000 m³ | 0 ... 353 146 667.2 scf
Max display0 ... 100 000 000 m³ | 0 ... 353 146 667.2 scf
Pressure measurement/adjustment range
Measurement range-1 ... 16 bar
Max display-1 ... 20 bar
Resolution0,05 bar
Analog start point-1 ... +12,8 bar
Analog endpoint2,2 ... 16 bar
In steps about0,01 bar
Temperature measurement/adjustment range
Measurement range-10 ... +60 °C | +14 ... +140 °F
Max display-24 ... +74 °C | -11,2 ... +165,2 °F
Resolution0,2 °C| 0,5 °F
Analog start point-10 ... +46 °C | +14 ... +114,8 °F
Analog endpoint+4 ... +60 °C | +39,2 ... +40 °F
In steps about0,1 °C| 0,1 °F
Scope of use
MediaCompressed air
Average temperature-10 ... +60 °C | +14 ... +140 °F
My. breaking pressure64 bar
Pressure loadmax. 16 bar
Electrical data
Operating voltage18 ... 30 VDC (according to EN 50178 SELV/PELV)
Power consumption< 80 mA
Protection classIII.
Protected against polarity reversalJa
Outputs
Output signal2 analogue output signals; 4 ... 20 mA (scalable)
Max. load500 Ω
Short circuit protectionYes
Pressure measurement
Repeat accuracy±0.2% of full scale value
Characteristic curve deviation
< ±0.5% of final value; (BFSL = Best Fit Straight Line (minimum value adjustment))
The area's largest TC
±0.15% final / 10 K
Largest TC for the zero point
±0.25% final / 10 K
Temperature measurement
Accuracy±0.5 K; (flow at the limits of the flow measurement range)
Reaction time
Response time0,1 s; (dAP = 0)
Pressure measurement
Response time0,05 s
Temperature measurement
Response dynamicsT09 = 0,5 s
Environmental conditions
Ambient temperature0 ... +60 °C
Storage temperature-20 ... 85 °C
MoistureMax. permissible relative humidity < 90%
Protection classIP 65; IP 67
Approvals / tests
EMFDIN EN 60947-5-9
Vibration resistanceDIN EN 68000-2-6 | 5 g (10 ... 2 000 Hz)
Mechanical data
Weight2 650,5 g
MaterialPBT+PC-GF30; PPS GF40; 1.4301 (stainless steel / 304); 1.4305 (stainless steel / 303); 1.5523 (steel) galvanized; 2.0401 (brass / CW614N); FKM
Contact with the media1.4301 (stainless steel / 304); 1.4305 (stainless steel / 303); FKM; glass passivated ceramic; PPS GF40; Al2O3 (ceramic); acrylate
Display / buttons
DisplayColor screen - 1.44" | pixel resolution - 128 x 128
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Datablad testo 6451-6454
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  • Best system integration thanks to two analog outputs: 4 ... 20 mA

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