Amprobe ULD-405 User manual

ULD-405
Ultrasonic Leak Detector
User Manual
05/2020, 6013494 A
©2020 Amprobe.
All rights reserved.
English
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Limited Warranty and Limitation of Liability
Your Amprobe product will be free from defects in material and workmanship for one
year from the date of purchase unless local laws require otherwise. This warranty does
not cover fuses, disposable batteries or damage from accident, neglect, misuse, alteration,
contamination, or abnormal conditions of operation or handling. Resellers are not
authorized to extend any other warranty on the behalf of Amprobe. To obtain service
during the warranty period, return the product with proof of purchase to an authorized
Amprobe Service Center or to an Amprobe dealer or distributor. See Repair Section for
details. THIS WARRANTY IS YOUR ONLY REMEDY. ALL OTHER WARRANTIES - WHETHER
EXPRESS, IMPLIED OR STATUTORY - INCLUDING IMPLIED WARRANTIES OF FITNESS FOR A
PARTICULAR PURPOSE OR MERCHANTABILITY, ARE HEREBY DISCLAIMED. MANUFACTURER
SHALL NOT BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR CONSEQUENTIAL
DAMAGES OR LOSSES, ARISING FROM ANY CAUSE OR THEORY. Since some states or
countries do not allow the exclusion or limitation of an implied warranty or of incidental or
consequential damages, this limitation of liability may not apply to you.
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ULD-405 Ultrasonic Leak Detector
CONTENTS
1. PRECAUTIONS AND SAFETY MEASURES ............................................................. 2
2. INTRODUCTION ..................................................................................................... 3
3. KIT COMPONENTS................................................................................................. 4
3.1 Kit Components ............................................................................................................4
3.2 ULD-405 Receiver...........................................................................................................5
3.3 Accessories ....................................................................................................................6
4. MAIN APPLICATIONS ............................................................................................ 7
4.1 Using the ULD-405 Ultrasonic Leak Detector Receiver................................................7
5. MAINTENANCE...................................................................................................... 8
5.1 Changing the Receiver Batteries ..................................................................................8
5.2 Cleaning .........................................................................................................................8
6. SPECIFICATIONS .................................................................................................... 9
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1. PRECAUTIONS AND SAFETY MEASURES
SYMBOLS
�Caution! Refer to the explanation in this manual.
Consult user documentation.
Battery.
Complies with European Directives.
Conforms to relevant South Korean EMC Standards.
Electromagnetic Compatibility:
Korea (KCC): Class A Equipment (Industrial Broadcasting & Communication Equipment) [1]
[1] This product meets requirements for industrial (Class A) electromagnetic wave
equipment and the seller or user should take notice of it. This equipment is intended
for use in business environments and is not to be used in homes.
Conforms to relevant Australian standards.
This product complies with the WEEE Directive marking requirements. The affixed
label indicates that you must not discard this electrical/electronic product in
domestic household waste. Product Category: With reference to the equipment
types in the WEEE Directive Annex I, this product is classed as category 9
“Monitoring and Control Instrumentation” product. Do not dispose of this product
as unsorted municipal waste.
Safety information
The product complies with:
• IEC 61326-1
CENELEC Directives
The instrument conforms to CENELEC Electromagnetic compatibility directive 2014/30/EU.
�WARNINGS AND PRECAUTIONS
• Not for use on explosive gases.
• Use extreme care when using near pressurized air/gas.
• Use extreme care when using near rotation equipment.
• Use extreme care when using near electrical equipment.
• Use only 4 x AA batteries for the ULD-405 Receiver, properly installed in the battery
compartment, to power the Product (see Section 5: Maintenance).
• Remove the batteries if the Product is not used for an extended period of time, or if
stored in temperatures above 122 °F (50 °C). If the batteries are not removed, battery
leakage can damage the Product.
• Follow all battery care from the battery manufacturer.
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Ultrasonic sound, or ultrasound, is a sound wave with frequencies above 20 kHz, higher
than the upper audible limit of human hearing. Ultrasound can be generated when
turbulence created by air or gas is forced through a small orifice. Leaking air or gas is
generally considered to be viscous flow, and as the flow velocity increases, the frequency
of the ultrasound emitted becomes higher. Vibrating, moving objects or electric discharge
will also create an ultrasonic wave, which is very directional in nature and can be used to
pinpoint the exact location of a leak, vibration or discharge.
The ULD-405 Receiver detects ultrasounds within 20 kHz to 90 kHz frequency, then amplifies
and converts these ultrasonic sounds to frequencies and levels that the human ear can hear
through headphones and show it on the LCD screen. The 20 kHz to 90 kHz frequency range
is the optimal range for detecting a variety of leakage events in assets such as HVAC systems
and pneumatic lines. A change in the ultrasound produced by an asset may be indicative
that an asset is beginning to fail.
0
20kHz
20Hz 200
MHz
20MHz
Infrasound Acoustic Sound Ultrasound
Figure 2: Sound range spectrum
2. INTRODUCTION
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3.1 Kit Components
Your shipping box should include:
ULD-405
ULD-405 Receiver 1
Earbuds (for use with hard hat) 1
PB-1 Power Parabola 1
TEA-1 Flexible Tubing Adapter 1
TE-1 Tubular Extension 1
CC-6010 Carrying Case 1
AA Batteries 4
Manual 1
Note: Batteries are not pre-installed in the Receiver.
3. KIT COMPONENTS
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3.2 ULD-405 Receiver
RECEIVER
SENSITIVITY
ULD-405
Sound
volume
Microphone
sensor
Sensitivity
“+/-” button
Headphone
Volume "+/-"
button
On/Off button
Signal strength
indication
Sensitivity
level
Headphone
jack
Battery
status
Figure 3.2: ULD-405 Receiver
3. KIT COMPONENTS
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3. KIT COMPONENTS
3.3 Accessories
The ULD-405 comes supplied with additional Receiver accessories that are helpful in
leak identification. Plug the headphones into the Receiver to audibly hear the leak and
verify its source (for example hissing sound of an air leak versus ticking sound of an
electric discharge). Use the Parabola attachment in situations where there is a high level
of background noise to help direct the ultrasound towards the sensor. Use the Tubular
Extension with the Adapter in hard to reach areas for additional reach.
Note: There is no speaker on the Receiver. Without headphones, no noise will be audible.
Parabola (PB-1) Adapter (TEA-1) Tubular Extension
(TE-1)
Tubular Extension
(TE-1)
Adapter (TEA-1)
Parabola (PB-1)
Figure 3.3: ULD-405 Accessories
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4.1 Using the ULD-405 Ultrasonic Leak Detector Receiver
1. Turn on the Receiver and plug the headphones into the jack located on the front of the
Receiver. Any standard set of 3.5 mm jack headphones are compatible.
2. Before moving to the target area, press “+” or “-” sensitivity buttons to adjust signal
strength sensitivity to the highest possible level where bargraph still shows either 0 or
a value close to 0. If signal strength cannot be adjusted down and the LCD still shows a
maximum value regardless on sensitivity adjustments, press the Filter button.*
3. Scan the target area with the microphone sensor.
4. As you move nearer to the source of the leak, vibration or electric discharge, the signal
strength will increase. This will be indicated on a screen with increasing signal strength
number and level of the bargraph.
5. The bargraph is a relative measurement only, so when the signal strength reaches
maximum, lower the sensitivity by pressing the “-” sensitivity button until the displayed
signal strength is less than 75. Repeat this process until you have isolated the source of
the ultrasound.
6. The audible sound emitted via headphones will help to verify the source of the leak,
for example hissing sound of the air leak versus ticking sound of the electric discharge.
The Receiver screen alone will not provide an indication of the leak source.
Note:
• For surroundings with a high level of background noise use the Parabola (PB-1) to
direct the ultrasound towards the sensor.
• For locations that you cannot point the Receiver directly at the leak, the Tubular
Extension can be used (TE-1 with the TEA-1 Adapter).
Figure 4.1: Using the Receiver to find a leak
4. MAIN APPLICATIONS
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5.1 Changing the Receiver Batteries
The ULD-405 uses four 1.5 V AA (LR6) batteries (supplied). To replace the batteries, follow these
steps:
1. Make sure that the Receiver is turned off.
2. Use a screw driver to unscrew the captive screw.
3. Remove the battery cover.
4. Replace the batteries as shown in Figure 5.1. Observe the battery polarity shown in the
battery compartment.
5. Replace the battery cover and secure it with the provided screw.
AA
AA
AA
AA
Figure 5.1: Changing the Receiver batteries
5.2 Cleaning
The only maintenance the ULD-405 requires is inspection and cleaning. Periodically wipe the
exterior with a mild solution of detergent and water. Apply sparingly with a soft cloth and allow to
dry completely before using. Do not use aromatic hydrocarbons, gasoline or chlorinated solvents
for cleaning.
5. MAINTENANCE
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