AVL PLU High Precision Flowmeter 131 HPfor high pressure application
TAKING ADVANTAGE OF AVL PLU MEANS:Savings in test bed capacity:
- 100 % measurement readiness
- Extremely short measurement times
- Virtually maintenance-free
- No recalibration required (long-term stability)
Reduction of development times:
- High precision of measurement
- Statistical evaluation of measurement results
- Permanent plausibility check of measurement values
- Communication via standard interface, with connection to PC and other evaluation units.
Broad range of application:
- Large pressure range
- Large measurement range (0,05 to 300 l/h)
- For all commercially available fuels, as well as alcohols and alternative test fuels
MAIN APPLICATION AREASThe Precision Flowmeter AVL PLU 131 HP is used to measure fuel consumption on component test beds for calibration and test of Gasoline- and Diesel-Injectors, especially when high pressures are required. It is also used to measure fuel consumption on engine test beds.
The flowmeter basically handles the following tasks:
- Calibration of injector nozzles and -valves
- Steady state and dynamic flow measurements on test bed
SYSTEM DESCRIPTIONThe AVL PLU 131 HP is a Precision Flowmeter with integrated signal processing. When a PC is connected to the serial interface following values will be displayed:
- Instantaneous consumption [l/h]
- Measurement time [s]
- Average value of consumption [l/h]
- Standard deviation in %
- Number of measuring values for sliding average calculation
For a statistical analysis of the measuring values the standard deviation of each measurement is displayed graphically. Measuring time and number of measurement for averaging can be set by the user via PC. The software for the A/S module can be configured at user's discretion.
Via pulse outputs RS 422 and frequency output the measuring value is transformed into a frequency and carried to the evaluation and display unit, like computer, frequency counter, and similar devices where they are processed, linearised, and displayed.
The factory default calibration is based on test stands that have been certified by the German Federal Institute for Physics and Technology (PTB). Therefore the measuring results can be reconverted into national standards.
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MAIN FEATURES- Flow meter: based on the PLU measurement principle with continuous measurement
- value output (continuous Measurement)
- Wide measurement range (to 1: 1500)
- Ex-proof
- Operating pressure up to 200 bar
OPTIONSActuator-/Sensor Module PLU 4000
The PLU 4000, in combination with a PC or with a host computer, serves as an intelligent and configurable analysis system for AVL FLOW fuel flow meters and measurement systems.
Characteristics:
- Improved measurement uncertainties through linearization
- Calculation of consumption level in kg, l, kg/h, l/h
- Continuous statistical evaluation of volumetric and gravimetric readings, with display of standard deviation and measurement uncertainty
- Transmission of all measurement values via a serial interface with AK protocol
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TECHNICAL DATA- 0.900325.1.0, Type 131HP- 12, Nominal measurement range [l/h] 0.07...12
- 0.900319.1.0, Type 131HP- 30, Nominal measurement range [l/h] 0.1...30
- 0.900320.1.0, Type 131HP- 60, Nominal measurement range [l/h] 0.15...60
- 0.900322.1.0, Type 131HP- 150, Nominal measurement range [l/h] 0.3…150
- 0.900324.1.0, Type 131HP- 300, Nominal measurement range [l/h] 0.6...300
- Measuring uncertainty for calibration factors: u = 0,1% re. DIN 1319
- Confidence level: P = 95%
- Signal output / measuring value output: RS 232 interface, Alternatively: frequency output with rectangular pulse, TTL level (possible alternative: Open Collector), RS 422 interface
- Compensation time according to DIN 19226: < 300 ms
- Media temperature: -20° C...+60° C
- Ambient temperature: -20° C...+60° C
- Storage temperature: -40° C...+ 80° C
- System pressure: max. 200 bar
- Measuring media: Commercially available diesel, regular, and premium fuel grades as well as equivalent test liquids. Alcoholic additions up to 20%, Optional: Methanol, Ethanol, etc. up to 100%
- Operating voltage: 24 Volt DC (~20%)
- Connection power: approx. 40 Watt
- Dimensions: max. 330 x 216 x 133 mm (width x height x length)
- Weight: approx. 10 kg
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