Inficon WHISPER Bedienungsanleitung

OPERATING MANUAL

Whisper®

Ultrasonic Leak Detector

EU DECLARATION OF CONFORMITY

This declaration is issued under the sole responsibility of the manufacturer INFICON. The object of the

declaration is to certify that this equipment, designed and manufactured by INFICON, is in conformity

with the relevant Community harmonization legislation. It has been constructed in accordance with good

engineering practice in safety matters in force in the Community and does not endanger the safety of per-

sons, domestic animals or property when properly installed and maintained and used in applications for

which it was made.

Equipment Description: Whisper® Ultrasonic Leak Detector

Model Number: 711-202-Gxx (Applicable to all Group numbers)

711-203-Gxx (Applicable to all Group numbers)

Applicable Directives: 2014/30/EU General EMC

2011/65/EU RoHS

Applicable Standards:

Safety: EN 61010-1:2010 Safety requirements for electrical equipment

for measurement, control, and laboratory use.

General requirements.

IEC 60825-1:2014 Safety of Laser Products - Part 1: Equipment

Classification and requirements.

Emissions: CISPR 11/EN 55011:2009 Emission standard for industrial, scientific,

(+A1:2010) and medical (ISM) radio RF equipment

(Class B)

Immunity: EN 61326-1:2013 Edition 2.0 (EMC - Measurement, Control &

Laboratory Equipment)

Immunity per Table A.1 - Portable Test and

Measurement Equipment

RoHS: EN 50581:2013 Technical documentation for the assessment

of electrical and electronic products with

respect to the restriction of hazardous

substances

CE Implementation Date: April 20, 2016

Manufacturer Representative EU Authorized Representative

Brian King INFICON GmbH

Business Line Manager - Service Tools 50968 Köln, Bonner Str. 498

Two Technology Place

East Syracuse, NY USA 13057

INFICON

ANY QUESTIONS RELATIVE TO THIS DECLARATION OR TO THE SAFETY OF INFICON'S PRODUCTS

SHOULD BE DIRECTED, IN WRITING, TO THE AUTHORIZED REPRESENTATIVE AT THE ABOVE ADDRESS.

WARNING

This symbol is used to alert the user to the presence of important

operating and maintenance (servicing) instructions in the

literature accompanying this instrument.

CAUTION

Whisper includes a built-in laser pointer. It is important to adhere to

the following warnings and safety instructions to prevent injury:

Never shine a laser pointer into a person's eyes or stare into

the laser beam. This can cause instant temporary vision

dysfunction such as flash-blindness, disorientation, or glare.

This can be particularly dangerous if the exposed person is

engaged in a vision-critical activity such as driving. In addition,

prolonged and/or repeated exposure to the laser beam can be

hazardous and damaging to eyes.

Never aim a laser pointer anywhere at or near any person or

animal. Laser pointers are designed to point at inanimate

objects only. In some states and provinces, it is illegal to aim a

laser pointer at a law enforcement officer or any other person.

The purchaser/user is responsible for ensuring that his or her

use of the laser pointer conforms to any local laws.

Do not point a laser pointer at mirror-like surfaces. A reflected

beam can act like a direct beam to the eye.

Laser pointers are not toys. Do not allow a minor to use a laser

pointer unsupervised. In some states and provinces, it is illegal

for a minor to purchase and/or use a pointer. The

purchaser/user is responsible for ensuring that his or her

purchase or use of the laser pointer conforms to any local

laws.

Laser pointer not available in Japan.

INFICON® and Whisper® are registered trademarks of INFICON GmbH.

Applications

A/C refrigerant leaks (any and all types of refrigerant)

Checking seals around windows, refrigerators, etc. (when using

Whisper Transmitter)

Diagnosing mechanical equipment such as pistons, solenoids,

bearings, etc. (when using contact probe)

Diagnosing solenoid operations

Leaks in pneumatic control systems

Leaks in compressed air systems

Leaks in vacuum systems

Steam traps

Electrical arcing

Specifications

Sensitivity . . . . . . . . . Detects a leak through a 0.004 in. (0.01 cm) diameter orifice

at 5.0 psig from a 12 in. (30.5 cm) distance

Usage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Indoor or Outdoor

Operating Temperature Range. . . . . . . . . . . . . . . +32°F to +122°F (0°C to +50°C)

(may be operated for a limited

time in lower temperature

environments)

Storage Temperature Range . . . . . . . . . . . . . . +14°F to +140°F (-10°C to +60°C)

Humidity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85% RH NC Max.

Altitude . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6500 ft. (2000 m)

Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 “D” cell alkaline batteries

Battery Life (with laser off) . . . . . . . . . . . . . . . . . . . . . . . .Approximately 165 hours

Battery Life (with laser on) . . . . . . . . . . . . . . . . . . . . . . . .Approximately 115 hours

Laser Pointer Class (Laser pointer not available in Japan) . . . . . . . . . . . . . . . . . 2

Pollution Degree. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Overvoltage Category . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Weight (with battery, not including case or accessories) . . . . . . . . 1.06 lb. (482 g)

Introduction

Whisper will detect and locate sources of ultrasonic disturbance through the use

of sophisticated circuitry.

An ultrasonic disturbance is created when objects collide. Vacuum leaks create

collisions between molecules flowing through an orifice. Pressure leaks create

collisions between molecules exiting an orifice. All gases and liquids create

disturbances if forced into, or out of, an orifice. All solid materials create

disturbances when any friction exists.

Whisper is capable of detecting and locating sources of ultrasonic disturbances

created by gases, liquids, or solids.

Whisper has different ways of indicating these disturbances. When used without

headphones, Whisper's indicators will illuminate and the unit will beep in response

to sources of ultrasonic noise. When headphones are plugged in, Whisper's

heterodyne feature is enabled, bringing ultrasonic frequencies to a range audible

to the human ear. This is often the best way to use Whisper. You can also use the

metal contact probe on solid objects. Please refer to the appropriate sections of

this manual for more information on these features and how to best use them.

Power button

Touch pad

Battery indicator

Battery cover

Laser aperture

Headphone

jack

General Information

Whisper is sensitive only to ultrasound (40 to 43 kHz) and is unaffected by audible

noise.

INTERNAL NOISE CONTROL (I.N.C.) allows the use of this instrument in

extremely noisy environments such as mechanical rooms, around operational

chillers, etc. Drag your finger upward on the sensitivity touch pad to increase

sensitivity when experiencing little or no environmental noise. Drag your finger

downward on the sensitivity touch pad to reduce sensitivity in response to an

increase in environmental noise.

Many variables can affect the amount of ultrasound generated by the leakage of

gas through an orifice. Such factors include the pressure/vacuum relative to the

surrounding environment, how smooth the edges of the orifice are, the diameter of

the orifice, Whisper’s distance from the orifice, and the presence of airflow, which

may dissipate the ultrasound.

As you use Whisper, keep in mind that these factors may affect your ability to

detect ultrasonic leaks.

Locating Leaks

NOTE: Bumping the accessory probe or nose piece into objects while seeking

leaks will cause false alarms. Leaks will be indicated by a beeping alarm

and flashing indicators. Disregard occasional short alarms.

WARNING

Always keep clear of hot and/or moving engine and machinery

parts. Damage or injury could result.

1. Long press the power button to turn Whisper On/Off. The Battery indicator will

illuminate while Whisper is On.

NOTE: If the Battery indicator flashes, the batteries are low and should be

replaced.

2. Press the power button briefly to enable/disable the laser pointer feature (if

equipped). This feature allows for easier and more accurate location of a leak

site. See “Laser Pointer Feature” for more information.

3. Point Whisper in the direction of the suspected leak and scan the area by

making a slow “X” (a vertical and horizontal type sweeping motion) while

keeping the nose piece (or rubber extension probe) pointed in the general

direction of the suspected leak.

4. If you are using Whisper without headphones, it will beep when an ultrasonic

disturbance is detected. If you are using headphones, Whisper will make a

variety of different noises due to its heterodyne feature. (See "Heterodyne

Feature" for more information.) To isolate the ultrasonic disturbance, gradually

decrease sensitivity by slowly dragging your finger down the touch pad until the

beeping stops. The sensitivity level will be indicated briefly by the number of

illuminated indicators next to the touch pad.

5. Move closer to the suspected leak, continuing the sweeping pattern and

narrowing the range of the sweep by making smaller patterns until beeping

resumes. This will lead to the location of the disturbance. To narrow the scan

area, attach the flexible rubber extension to the probe and repeat step 3.

6. Repair all leaks as located and repeat scan.

Heterodyne Feature

Whisper features heterodyne capability, which converts the ultrasonic frequencies

to sounds that can be heard by the human ear. This allows you to easily isolate

the ultrasonic source.

Plug the included headphones into the jack on the right side of Whisper to enable

heterodyne capability. Dragging your finger upward/downward on the sensitivity

touch pad will increase/decrease the volume of the headphones.

NOTE: Sensitivity defaults to a lower level when headphones are plugged in to

protect against hearing damage. Use the touch pad to increase sensitivity

if needed.

Laser Pointer Feature

Whisper (if equipped) features an integrated laser pointer. This feature is

designed to aid in pinpointing leak sites. To enable/disable the laser pointer

feature, briefly press the power button. The laser pointer will automatically disable

if Whisper is turned Off.

NOTE: Laser pointer not available in Japan.

WARNING

Do not aim the laser pointer at any person or animal.

High Noise Environments

In noisy environments, it may be necessary to “tune out” unwanted signals from

other areas in close proximity to where you are scanning for leaks. Begin by

pushing the rubber extension probe over the nose piece. When the extension is

attached, Whisper’s sensing angle is reduced, increasing the directional capability

and reducing the effects of the adjacent noise sources. This allows Whisper's

detection capabilities to become more directional. If you suspect the reading

originates from a source other than what you are scanning, point the probe toward

the suspected source (maybe a compressor, V-belt, discharging steam line, etc.)

and slowly decrease sensitivity until the alarm stops. Turn the probe back in the

direction of the suspected leak and continue to scan. This step may have to be

repeated as you move around to other locations in search of leaks. If the probe is

close to internal moving parts of equipment, and the alarm sounds, push the

rubber probe against the equipment housing. If the alarm still sounds, internal

friction of moving parts, and not a leak source, may be causing the alarm.

Using the Contact Probe (if equipped)

The optional metal contact probe offers additional capabilities when used with

Whisper. The contact probe can be a useful accessory in diagnosing machinery.

For best results, always use the headphones when using the contact probe to

enable the heterodyne feature.

To use the contact probe, twist the threaded end into Whisper’s plastic nose piece

and turn Whisper On. Touch the end of the contact probe to bearing housings,

solenoids, pistons, and other mechanical equipment to allow the frequencies to

travel into Whisper's ultrasonic transducer. Adjust sensitivity as needed. Properly

functioning machinery sounds smooth and clear, while poorly functioning

machinery may make irregular or grinding noises. Over time you will learn to

recognize when machinery sounds to be in good working order or when it sounds

worn and in need of maintenance.

WARNING

Do not place the contact probe in running machinery, fan cages,

drive belts, or other moving parts. Always use extreme caution

when using the contact probe around machinery.

Whisper Transmitter Accessory (if equipped)

Whisper Transmitter is an accessory which can be used with the Whisper

Ultrasonic Leak Detector to locate leaks in walk-in coolers/freezers, wall and

ceiling joints, around doors, windows, body seals, rubber moldings, ducts, etc.

Whisper Transmitter produces the frequency detected by Whisper. By placing

Whisper Transmitter in a sealed area and scanning the exterior of the area.

Whisper can detect any signal escaping the sealed area. A flaw in the seal can be

quickly and accurately pinpointed.

1. Turn the transmitter power switch on. The POWER indicator will illuminate to

indicate it is operating.

NOTE: You will not be able to hear the tone generated by the transmitter.

2. Place Whisper Transmitter into the area to be tested. Seal area to be tested

completely.

3. Set the “Sensitivity” control on Whisper to maximum.

4. Scan the exterior area for the suspect leaks. To pinpoint leaks, see "Locating

Leaks" on page 7.

NOTE: When using Whisper Transmitter and headphones, Whisper will indicate

ultrasonic disturbances through a variable-pitch tone

If your Whisper did not come with a Whisper Transmitter, you may order one

under part number 711-600-G1 from your authorized distributor.

Care and Maintenance

To clean exterior surfaces, wipe with a soft damp cloth.

When the batteries near the end of their useful life, the battery indicator will flash.

To change the batteries, depress the release tab using a coin or screwdriver and

slide the cover back. Replace the batteries with two new “D” cell alkaline batteries.

Replace the cover by holding it in place along the side rails while sliding it forward

to engage both the rear hooks and the front release tab.

To avoid accidental damage to Whisper or the headphones, unplug the

headphones when placing it in the case for storage.

Warranty

INFICON warrants your Whisper Ultrasonic Leak Detector to be free from defects

of materials or workmanship for two years from the date of purchase. INFICON

does not warrant items that deteriorate under normal use, such as power cells. In

addition, INFICON does not warrant any instrument that has been subjected to

misuse, negligence, or accident, or has been repaired or altered by anyone other

than INFICON.

INFICON’s liability is limited to instruments returned to INFICON, transportation

prepaid, not later than thirty (30) days after the warranty period expires, and which

INFICON judges to have malfunctioned because of defective materials or

workmanship. INFICON’s liability is limited to, at its option, repairing or replacing

the defective instrument or part.

This warranty is in lieu of all other warranties, express or implied, whether of

merchantability or of fitness for a particular purpose or otherwise. All such other

warranties are expressly disclaimed. INFICON shall have no liability in excess of

the price paid to INFICON for the instrument plus return transportation charges

prepaid. INFICON shall have no liability for any incidental or consequential

damages. All such liabilities are excluded.

Accessory/Replacement parts

Whisper Transmitter . . . . . . . . . . . 711-600-G1

Contact probe. . . . . . . . . . . . . . . . 711-316-G1

Rubber extension probe. . . . . . . . 070-1128

Standard headphones . . . . . . . . . 032-0430

Premium headphones . . . . . . . . . 032-0427

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