The EP2400 is used to find leaks (e.g. in compressed air installations, vacuum installations, in tanks, on car windows etc) as well as to find mechanical malfunctions on movable parts (e.g. ball bearings).
The ultrasonic equipment EP2400 works by ”listening” in a frequency band normally containing no interference and non-audible for humans (>20 kHz). Leaking compressed air or electrical flashover (sparks) generates e.g. ultrasonic.As a “mechanical malfunction feeler”, the EP2400 picks up interference from movable parts through a stethoscope or an external input. The detector only ”listens” to low-frequency mechanical vibrations so this facility can also be used in noisy areas.
A. Ultrasonic / Analogue leak detection:
1 . Fit the pin from the CE approved hearing protector in the yellow plug at the bottom of the detector.
2. Push the ”On/Off” to turn on the device and then choose analogue ultrasonic measuring by pushing the button ”Ultrasonic” one time.
3. Pass the sensor at the top of the detector over or past the desired parts to be examined.
4. If there is a leak, a ”buzz” will be heard in the headphone. The sound level depends on the size of the leak. If looking for a very ”small” leak close by, the directional probe can be applied to the sensor at the top of the instrument and optimum listening sensitivity is achieved.
5. If a lot of room noise this can be muted (0 – 35dB) by pushing the up or down button. The device always begins with a 20 dB muting.B. Ultrasonic / Digital leak detection:
1. Push the ”On/Off” to turn on the device and then choose digital ultrasonic measuring by pushing the button ”Ultrasonic” two times. The hearing protector is not connected, in this instance, unless you want to be able to use both functions.
2. Pass the sensor at the top of the detector over or past the desired parts to be examined.
3. The unit makes use of a newly developed digital technology, where the ultrasound transforms into a digital signal which the user sees as a flashing light and a pulsating sound. The faster the light flashes/sound pulsates the closer you are to the leakage and this speed is also an expression of the size of the leakage (the faster – the bigger leakage).
4. If a lot of room noise this can be muted (0 – 35 dB) by pushing the up or down button. The device always begins with a 20 dB muting.C. Ultrasonic / External leak detection:
1 . Portable ultrasonic sensor (extras) connected in the top of the EP2400 (silver plug). Leak detection is thereby possible at narrow and difficult places.
Ultrasonic with EP512 sensor (extras):
1. Turn on EP5I2 on the button with the text "Ultrasound".
2. Check that the red lamp starts flashing.
3. Place EP512 in the tank or cabin and close.
4. Follow the instructions (item 3 – part A or B above).D. Mechanical noise:
1 . Fit the pin from the CE approved hearing protector in the yellow plug at the bottom of the detector.
2. Push the On/Off button to turn on the device and then push the stethoscope button.
3. The room noise can also be calibrated for this operation. (Please see item 5 in the paragraph “Ultrasonic”.
4. Fit the accompanying cable in the silver plug at the top of the device and then fit the stethoscope or the sensor (clip) – depending on the task.
5. Concentrate on the mechanical noise. In some cases, the user has to spend some time to sort out other mechanical noises and between these e.g. hear a damaged bearing. Concentrate on strange noises and heterogeneity and remember ~ practice makes perfect!
6. It is also possible to construct a permanent measure, e.g. a built-in piezoe component with connection plug at a certain machine part that is wished supervised so that the measuring can be made to a pure reading task. Please contact us for further details on this.Changing the battery:
1. Unfasten the bottom with a screwdriver and lift off the plate in front of the battery.
2. Take off the contact pole, lift off the battery and exchange it with a new one.
3. The battery may only be changed to a 9 V ALKALINE (6LR61-9V) or ZINC CHLORIDE battery.E. Leak detection in steam traps:
Follow the instructions, item 1 – 4 in part D above, but choose analogue ultrasonic measuring by pushing the button “Ultrasonic”. Place the stethoscope stick directly at the steam trap and listen for leakages. You can also measure by using the following helping indication – Choose sensitivity 5%dB: 0 – 5 = OK, 5 – 9 = listen careful for decision, >10 = valve should be replaced.
Accessory equipment:
EP512 – Ultrasonic transmitter
EP933 – Directional probe/flexible
EP944 – Stethoscope/thread
EP945 – Stethoscope magnet
EP961 – External ultrasonic sensorWE HOPE YOU ENJOY WORKING WITH EP2400. Nov 2004 Rev 01
