Model XL-2 LEAK DETECTOR
- Lightweight & Strong
- 11 Position filter to pinpoint leak and remove background sounds
- 2 Sensitivity controls
- Super Sensitive magnetic transducer
- High gain, 4-stage amplifier
- Visual and Audible indications
- Coarse and Fine Sensitivity
- Extremely sensitive pickup with removable 7" (177.8mm) probe
- Battery operated and with battery condition indicator
XL-2 Kit Complete Includes the following:
- XL-2 Instrument
- Pickup w/ Cable
- 7" Probe
- Carrying Case
- (1) 9 Volt Battery
- Instructions Manual
Used by The Oil Industry, Water Dept. Plumbers, Maintenance Engineers, and Home Owners.
Download a Brochure
The Detectron Model XL-2 is a compact, fully transistorized audio amplifier with built-in relative intensity meter. Used by plumbers, contractors, water departments, oil industries and maintenance engineers. This instrument is primarily designed as a fluid leak detector for the water and oil industry. It is also ideally suited for detection and study of a wide variety of other sounds created by vibration. Vibrations created by pressure fluid leaks in pipes, faulty bearings in a reciprocal engine, etc., are picked up by a super sensitive magnetic transducer and converted into electrical impulses. These impulses in turn pass through the high gain temperature stable, four stage amplifier. Detected sounds can be observed both on the visual meter and headphones. Eleven, narrow band channels allow the operator to select desired sounds while rejecting unwanted background noises. The Detectron Model XL-2 is greatly superior in every aspect to many more expensive instruments of this type.
Construction: Instrument weighs only 2 lbs. (.907 kg) and is housed in a rugged anodized aluminum case. Double anodized panel; MIL Spec., printed circuit board; rugged case aluminum transducer pick-up housing. (this quality construction will allow for many trouble-free years of operations despite adverse field conditions.) The complete instrument, ready to operate, comes in a compartmented, molded ABS plastic carrying case.
Circuitry: The “solid state” circuitry utilizes the very latest in silicone transistors to ensure against internal noise and to achieve the maximum reliability and stability, even at extreme ambient temperatures. Although the need for service other than battery replacement is rare, the printed circuit board is of un-plotted modular design for easy access.
Battery: Uses one readily available 9 volt battery.
Battery Test Switch: Allows for instantaneous reading of battery condition which eliminates field downtime due to faulty batteries.
Pick-up: A highly sensitive magnetic transducer housed in rugged cast aluminum. Construction is such that vibrations caused by escaping fluids are accentuated.
Filter: An eleven position filter which tunes through the entire audio spectrum makes it possible to tune in on the band of sounds produced by a particular leak, while at the same time eliminating background and road noises which otherwise might obscure the leak. A twelfth, wide-band position gives the detector an unfiltered frequency response of 30 cps to 15,000 cps. Instrument is also equipped with a “mute” switch.
Amplifier: Efficient, high gain, four stage amplifier uses modern temperature stabilized circuitry and all silicone transistors to ensure maximum reliability even when operated at ambient temperature extremes. The transistor types used in the circuit were chosen for their low noise characteristics, thus keeping internal noise at the lowest possible level. A circuit gain greater than 100 db increases minute sounds to 100,000 times the original strength. These high gain and low noise features, along with the eleven channel filter, combine to form a leak detector capable of tracing leaks under the most difficult conditions.
1. THE MODEL XL-2 LEAK DETECTOR
The Detectron Model XL-2 Leak Detector is a portable, highly effective instrument intended primarily for the detection of leaks in pressurized fluid systems. The Model XL-2 Leak Detector consists of a specially constructed highly sensitive magnetic pickup and a high gain transistorized amplifier with an adjustable filter.
Note the placement of the various components as received and repack in the same manner when not in use. If damage has occurred in shipment, file a claim with the carrier immediately. If it is necessary to contact your supplier or the manufacturer concerning damaged or missing items, be sure to include all the information such as serial number, purchase order number and invoice number. This will ensure you of obtaining proper and expeditious service.
3. OPERATING PROCEDURE
Connect the pickup to the receptacle on the XL-2 marked "Pickup" and plug the headphones into the jack marked "Phones". Note: The XL-2 Leak Detector is automatically turned "on" and "off" by plugging in and unplugging the headphones; therefore, they should be unplugged when the instrument is not in use.
Press the "Battery Test" button and observe the meter indication. If the pointer falls to the right of the "REPLACE BATTERY" region, the battery is in serviceable condition. If the pointer falls within the "REPLACE BATTERY" region, the battery is unserviceable and must be replaced.
Turn the "FILTER" switch to the "WIDE BAND" position, place the pickup on the surface to be investigated and put on the headphones. Adjust the "COARSE" and "FINE SENSITIVITY" controls until the meter indicates somewhere in the upper two-thirds of its scale and note the sounds heard in the headphones. If a leak is heard, the filter switch may be rotated to a position which accentuates the leak and reduces background noise.
When moving the pickup or during periods of excessively high background noise, it is possible to mute the detector without disturbing the sensitivity controls by pulling out the "FINE" sensitivity control.
When listening for sounds on an exposed pipe, screw the pointed probe into the bottom of the pickup and hold the point firmly against the pipe. Underground leaks can often be detected more easily by pushing the pointed probe into the ground. When listening for leaks on flat surfaces, the probe is removed and the pickup is placed on the surface with the three spikes supporting it.
It is possible to familiarize oneself with the sound of a water leak by listening on a water line and turning on a fuse coat so that a small amount of water is discharging from it. By alternately turning the water "on" and "off" the characteristic high-pitched hissing sound can be heard and distinguished from other sounds on the line.
4. LEAK DETECTION METHODS
The general locality of the water leak may be indicated by a metered loss, damp spots, or surface water. Since water from an underground leak usually travels a considerable distance before appearing at the surface its presence usually only indicates the general area of a leak.
To narrow down the search for the leak, take readings with the leak detector on all exposed portions of the system (fireplugs, meter boxes, valves) in the suspected area. When taking comparative readings with a leak detector, all readings must be made to the same reference level if accurate results are to be obtained. After the first reading is taken and the sensitivity controls have been initially set, subsequent readings should be taken without re-adjusting the sensitivity settings, so that the deflection of the meter will give a true indication of relative sound intensities.
Another method of taking comparative readings is to adjust the "FINE SENSITIVITY" control until some particular meter reading (say one-half scale) is obtained. Record the position of the sensitivity control required at each location to give the same meter indication. If more sensitivity is required at a subsequent location, the leak sound is weaker, and if less sensitivity is required, the leak sound is greater.
After determining the specific area of the leak from readings taken on exposed portions of the system, the next step is to pinpoint the leak. First, mark the course of the pipeline including all laterals and services using a Detection Model 505 "Go-Fer" Pipe & Cable Locator. Take readings every few feet along the course of the suspected pipeline by placing the pickup on the surface directly over the pipe and record the sound intensity. Correlation of these readings will indicate the exact location of the leak.
5. OPERATING SUGGESTIONS
A. Protect the pickup and its cable from wind. Wind noise is likely to mask the sound of a leak.
B. Use systematic approach to leak locating. Always know the exact location of the suspected pipeline.
C. Become familiar with the sound produced by a water leak by experimenting with known leaks.
D. Whenever possible, use the same personnel for leak detection work. Experience is a great aid to efficient leak locating.
E. When the leak sound has been located on the main, be sure to check for unknown laterals which may have leaks.
To replace battery, remove the two screws located on the ends of the panel and remove the case. The battery is held in place by a Velcro fastener. The Velcro will peel apart where the two straps overlap on top of the battery. Replace the battery with a Mallory #M-1602, Eveready #246, or RCA #VS305.
If the detector fails to operate properly, be sure all controls are set to the proper positions. Make sure the "fine" sensitivity control is not pulled out to the "mute" position. Remove the circuit board by removing the #6-32 screw that goes through to the phenolic standoff and unplug the board. Clean the contact fingers on the circuit board and the socket with contact cleaner.
7. SHIPPING INSTRUCTIONS
All instruments being returned for repair should be sent PREPAID to either address below:
Ship Via Courrier (UPS, FedEx, DHL, etc)
Tinker & Rasor
791 S. Waterman Ave.
San Bernardino, CA 92408
Include with shipment information the nature of the problem, purchase order, serial number
and return delivery address, phone and fax numbers.Immediate service is guaranteed!
- Tech Data
Weight 2 lbs. (0.907kg)
Shipping Weight 7lbs. (3.175kg)
Shipping Dimensions: 14.5" x 10.25" x 7.5" (368.3mm x 260mm x 190.5mm)