L-2001 Ultrasonic Power Meter

• Includes Probe [1/4"] Stainless Steel
• Includes interface Electronics for computer
• Includes Software for your computer
• Attaches to printer port
• Display Wave form on oscilloscope
• Display Frequency on Spectrum Analyzer
• Display Power Level in RMS, Peak to Peak 
  & Watts per Gallon
• Record all Displays as Files
• Transient Recorder for tracking Process
• Lap Top computer compatible
• Includes Hand Held Meter for quick checks
• Map power levels in tank
• Check effect of baskets on work load
• Check transducers for operation
• Check effects of filtration on ultrasonic power
• Check power intensity levels between tanks

The Model L 2001 Ultrasonic probe consist of a sensitive Probe, Hand Held Power Meter, and an interface box that plugs into the parallel printer port of any computer including a portable or lap top type and the software to display the readings from the probe. It is completely self-powered and no batteries are required. [The probe is powered by your laptop computer]

Readings from any screen may be saved to disk and recalled for latter analysis or imported into spread sheets for graphing. A transient recorder is included so that a record of tank performance over a period of time may be made. The transient recorder will record up to 8 hrs of operation.  

The L-2001 Software displays the following Information:
A.      Wave form; The ultrasonic wave form is displayed on the oscilloscope  screen 
B.      Frequency; The frequency [Major and Secondary] are displayed along with relative power on the Spectrum Analyzer.  A set of cursors may be placed on the screen and a small box   will show the relative frequency and strength of that frequency.
C.      Power; The voltage meter screen has three windows that will show the RMS of the ultrasonic power, The peak to peak power,  and the power expressed in watts per gallon. All three of the readings are displayed at the same time.
D.     Transient Recorder; The transient recorder will allow you to make a continuous record of the power in the tank over a long period of time.
E.      The oscilloscope, spectrogram, and power meter readings may be saved as files and recalled and played for later analysis.
F.      You may display the oscilloscope, spectrum analyzer and voltage meter all at the same time. The transient recorder operates separately.
G.      Information on power levels may be imported to a spreadsheet for graphic analysis.  

The hand held meter may be used with the probe alone without being connected to the computer. The probe is a 1/4"” dia. sensor  for making
 cavatation measurements over the frequency range of 20 kHz to 250 kHz . It has a high sensitivity relative to its size and is encapsulated in 
Stainless Steel. It measures the cavitation in a plain parallel to its surface.  This is a realistic picture of what your part sees as its cleaned  

Tanks vary widely with frequency and the amount of power per gallon of solution in a tank. The digital meter compensates for a low power to 
volume ratio or a high frequency vs. low frequency tanks. [Lower frequency will tend to concentrate energy in a band or level with in the liquid. 
A higher frequency will distribute the power evenly throughout the tank. ] An optional analog meter displays the power level. An LED on the 
face of the hand held meter varies brightness with the power level of your tank as a visual indication of power. The hand held analog meter has 
range selector allows you to tune the unit to the average power level in the tank you are testing

A Lap Top Computer with CD, Hard Disk, Floppy Disk Parallel printer port and with the software pre installed is available as an option. 

Model L 2001 Kit Includes:
Software for desktop or laptop computer
Windows ^R 98, XP ^R professional, or Windows ^R 2000 compatible 
Interface electronics for parallel printer port
1/4" dia. Stainless Steel Probe
Digital Hand Held Meter
Probe Holder for hands free use in tank
Instruction Manual

Options:
Analog Hand Held Meter
Lap Top with CD, Hard Disk Floppy Disk Drives
(includes installed software and instruction Manual)
Custom Probes

1/4" Diameter Stainless Steel probe designed for tight spots and checking tank when your product is in the tank. Other style probes are available as Options.

Spectrum Analyzer Screen

Screen shot of spectrum analyzer showing a 40 kHz 500 watt/ avg. Ultrasonic tank at full power. The frequency of this tank is 40 kHz. [large spike on screen] The tank also generates frequencies from 36. 4 to 44 kHz at a lower power.

The scale to the left of the screen show the relative % of power that is in that particular area of the tank.

Cursors can be set to display the power and frequency envelope. The table insert give the upper and lower range of frequencies, and can be adjusted to show the individual voltages of each component frequency.

The oscilloscope screen shows the ultrasonic power of a 40 kHz ultrasonic wave form and allows analysis of the wave. The scale on the left is voltage. The bottom scale is m/s time. 

Any portion of the wave can be expanded or recorded for later playback Sampling rate is fully adjustable.

The digital meter has 3 channels that can be configured to display true RMS, Peak to Peak Voltage, and Watts, Other types of displays such as max and min voltage can also be shown. 

The transient recorder acts as a software version of a strip recorder. This shot shows an ultrasonic tank where the power intensity has been lowered and then raised during the recording period.

The tm associates ultrasonic power meter Model L-2000 consists of a sensor that is immersed in the liquid of the ultrasonic tank. The receiver senses the energy of the actual cavitation collapse generated by your ultrasonic tank. This energy is translated into a voltage that changes and fluctuates with the amount of energy generated in the cleaning tank by the ultrasonics. The voltage is then amplified and displayed on the meter as an RMS  Voltage. An LED also indicates the level of ultrasonic power. The meter is powered by one 9 volt battery. 

The auto range selector automatically adjusts for the type of ultrasonics you are testing. Tanks vary widely with frequency and the amount of power per gallon of solution in a tank. The auto range control allows the meter to compensate for a low power to volume ratio or a high frequency vs. low frequency tanks. [Lower frequency will tend to concentrate energy in a band or level with in the liquid. A higher frequency will distribute the power evenly throughout the tank. ]

The probe is a 2” dia. sensitive receiver for making cavitation measurements over the frequency range of 20 kHz to 200 kHz it has a high sensitivity relative to its size and is encapsulated in stainless steel. It measures the cavitation in a plain parallel to its surface.  This is a realistic picture of what your part sees as its cleaned.

Connect the probe to the meter [plug in to socket]. Slowly lower the probe into the ultrasonic tank at a spot in the center of the tank. The probe disk should be parallel with the bottom of the tank [radiating surface] Simply read the meter, this reading is a true indication of the amount of ultrasonic energy at that specific point in a tank. Slowly move the probe in a vertical direction and observe the changes in reading on the meter. [Note: on 170 kHz frequency tanks the power is so evenly distributed that the meter will fluctuate very little]

All Ultrasonic tanks exhibit some form of standing wave dependent on frequency. The lower the frequency the larger the distance between the peaks [where most ultrasonic action takes place] of the wave, the higher the frequency the closer the peaks will be.

If you move the probe in a vertical direction in the tank, you will see a small change in the power level. This indicates the low areas of ultrasonic energy where the cleaning is least effective. The high readings are the peaks of the ultrasonic wave where the most effective cleaning is taking place.  The LED will also grow brighter and dimmer as the power reading changes.

The meter can also be used to check your work fixtures ability in passing ultrasonic power to the parts being cleaned. If you require more extensive information such as wave form, exact frequency, and wattage, our model L-2001 ultrasonic probe takes all this information and displays it on a computer screen.