StreamLine

 

 

Specification for StreamLine

 

Frame

No. of modules                     6 per frame, up to 3 frames supported by standard software

No. of channels                    Depends in selected A/D converter

Temp. sensor range                 0 to 150¡É, ±0.5¡É

Temp. sensor response time         Approx. 1 s. depending on thermistor

Communications protocel            RS232C, 9600 baud

Step response test system          150Hz to 50KHz square-ware generator, 20M samples/s digitizer

Voltmeter function resolution      80§Å

 

Anemomter module

General

Output voltage                     0 to 10V

Equivalent amplifier input noise   1.8§Ä/¡îHz typical

Equivalent amplifier input drift   0.5§Ä/¡É typical

Probe resistance measurement

   accuracy                        0.1%, ±0,01 ohm

Frequency response shaping         Wire or film probes

 

                                   1:20 bridge  1:1 bridge

Probe current                      830§Ì max    450§Ì max

Max. bandwidth                     250KHz       450KHz

Operating resistance               2 to 64§Ù

Bridge top resistance              10 or 20§Ù   20§Ù

Transducer cable length            5 or 20m     100m max.

Overheat resistance accuracy       0.1%

 

Signal conditioner

Gain                               1 to 1024, 0.15% accuracy

Input offset adjustment            0 to 10V, ±0.15%, <1mV resolution

Upper frequency limit              >1.2MHz, >500KHz, >250KHz at gain = 1, 128, 1024 respectively

Low-pass filter settings           0.3, 1, 3, 10, 30, 100, 300KHz, ±5%, -60dB/decade

High-pass filter settings          10, 100Hz, ±10%, -20dB/decade

Equivalent input noise             35§Ä/¡îHz typical all gains

Equivalent input drift             20§Å/¡É -can be eliminated using automatic offset function

Output voltage(load>10§Ú)          -10 to +10V, 50§Ùoutput impdeance

Output offset adjustment           0 to 5V, ±0.1%, <0.5§Æ resolution(input AC-coupled)

 

Calibration system

Velocity                           0.02m/s to Mach 1 using 3 nozzles

Accuracy                           <±1%, ±0.02m/s, typically <±0.5%

Reproducibility                    <±0.2%, ±0.02m/s,

Turbulence intensity               ¡Â0.3% throughout range, typically 0.2%

Pressure coefficient               ¡Â0.2%, V > 10m/sec.

Test section                       Free jet

Air Supply                         Compressed air at 0.7 to 0.9 MPa (option)

                                   Air consumption : 0.2 to 26§©/hr

 

SoftWare

Hardware requirement               PC = 386 with co-processor, or high at least 4MB of RAM

Software environment               Microsoft Windows 3.1 or later required

A/D convertes supported            DAS-50/58 for other A/D converers check with Dantec.