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LC-2500 on site photo Model LC-2500 Leak Noise Correlator

Large LCD Display readable in very cold and hot temperatures

Compact and Light-Weight

The Main Processor Unit, weighing less than 7 lb., can easily be carried all day.

Ruggedly Built and Weather-Tight

The Main Processor Unit and the Pre-Amps/Transmitters can operate in rain storms, sub-zero temps., and direct sun for hours.

High Sensitivity Sensors Standard

The new LC-2500 sensors are very sensitive, small in diameter, and totally submersible.

No Built-In Rechargables

Runs all day on standard or rechargeable “D” batteries.

Easy to Set Up and Run

Input pipe materials, diameters, and lengths by simply selecting them in the program menus. The automatic functions can do the rest.

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LC-2500 main unit photo
The Main Processor Unit displays the correlation “picture” and the distances to the leak from the Red pre-amp transmitter and the Blue pre-amp transmitter.

Download PDF of LC-2500 brochure (650KB)
Download
PDF of
LC-2500
brochure
(649KB)
 
Go to Correlator Comparison Page Go to LC-2100 Users List
Go to Contact Us page Go to LC-2500 Warranty page

LC-2500 Main Processor Unit

Blue Pre-Amplifier with Radio Communication

Red Pre-Amplifier with Radio Communication

Two High Sensitivity, Small Diameter Sensors for Metal Pipes

Aviation-Grade Headphones
(see below)

Instruction Manual and Field Guide
(not shown)

Two “Heavy Duty” Plastic Carrying Cases


MAIN PROCESSOR UNIT

Operating Temperature Range:
-10 to 50°C

Applicable Standard: IP52 (weather tight)

External Dimensions: 7.8 inches (W) x 4.0 inches (D) x 9.9 inches (H)

Weight: Approx. 6.8 lb. (with batteries)

Battery: 4 “D” Cells (std or rechargeable)

Continuous Operating Time:
13 hours minimum (at 20°C, backlight OFF)

Minimum Operating Voltage: 4.2V

Input: Radio or Cable

Display: Dot matrix LCD

Operation: Polarity correlation

Td Range:
±50ms, ±100ms, ±200ms, ±400ms,
±800ms, ±1600ms or automatic setting

Time Resolution:
25 µs (in ±50ms range),
50 µs (in ±100ms range),
100 µs (in ±200ms range),
200 µs (in ±400ms range),
400 µs (in ±800ms range),
800 µs (in ±1600ms range)

Filter Range: THRU, 80Hz to 5,000Hz
(4 low and 4 high)

Notch filter: OFF, 50Hz, 60Hz

Auto Filter: Automatically selected from FFT operation

Data Memory: 100 correlations

FFT Monitor: 1kHz, 2.5kHz, 5kHz
(common to both channels)

Sound memory: For 16 seconds

External Interface: RS-232C

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Two Red Sensors for PVC Pipes,
“Poly” Services, and Large Diameter Mains (see below)

LC-2500 Windows™ PC Software
(for downloading)


RED and BLUE
PRE-AMPLIFIERS

Operating Temperature Range:
-10 to 50°C

Applicable Standard: IP52 (weather tight)

External Dimensions : 5.9 inches (W) x 4.3 inches (D) x 14.5 inches (H)

Weight: Approx. 6.3 lb. (with batteries)

Battery: 6 “D” Cells (std or rechargeable)

Continuous Operating Time:
10 hours minimum (at 20°C, backlight OFF)

Minimum Operating Voltage: 6.0V

INPUT:

Input Frequency Range:
20Hz to 5kHz (at THRU filter setting)
100Hz to 5KHz (at STD filter setting)

Input Sensitivity: 50 micro V, max.

Signal to Noise Ratio: 35dB, min.

RADIO COMMUNICATION SYSTEM:

Output Frequency:
UHF under approved freq.

Modulation: Direct frequency modulation

Output Power: 0.5W (500mW)

Output Impedance: 50 ohms



SENSORS

Type: Piezoelectric pick-up

Voltage Sensitivity : 2.5V/g (peak)

Applicable Standard: IP68 (water-proof)

Drop Resistance: 3 feet (asphalt)

External Dimensions:
1.2 inches diameter x 5.1 inches high

Weight: 15 ounces each

Power Supply System: 3-wire

Output Impedance: 100 ohms, max.

Power Supply Voltage: 5.0V

Powerful transmitter radios with 500 mWatts output to send signals 3000 ft.

Powerful Transmitters with Radios That Go Over Hills and Around buildings
Blue Pre-amp/Transmitter and Red Pre-amp/Transmitter
“hear” the leak sounds at two pipe locations and transmit them separately to the main processor unit.

Patented Submersible sensors

New LC-2500 high sensitivity sensors with strong magnets and 100 dB dynamic range

High sensitivity, small diameter LC-2500 Sensors
standard for metal pipes and A/C mains.

Low Frequency
Red Sensors

for PVC pipes,
“poly” services,
and large mains.

The LC-2500 PC Software
lets the user download correlations to any PC computer for reports, archives.

David Clark
100 d/C

aviation-grade stereo headphones are standard.
 

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Easy to Set Up and Run

MAIN MENU is the “home page” where every correlation begins. Icons in the upper left corner tell battery power, headphones selection, transmitters received, and RUN status. Press the 2 key to start the correlation.

In STATUS SETUP, choose either the manual or automatic modes for the time delay (Td) range and the filters. In AUTO, the Td range automatically adjusts for all different pipe lengths and materials. In FILTER SETUP, select the high, low, and “notch” filters.

In PIPE DATA INPUT, choose the pipe material, diameter, and length for every section of pipe between the two sensors. Up to six pipe sections can be entered (always in order from the “Blue” sensor to the “Red” sensor).

In FFT ANALYSIS, the user can examine the sound signals from both sensors from 0 to 5000 Hz. The FFT function can automatically select the high and low filters if AUTO is chosen in FILTER SETUP.

In CORRELATION, the correlation “picture” indicates whether the leak sounds are clearly heard at both sensors. The distance to the leak and the filter settings are displayed.


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Compare LC-2500 with LC-2100 | LC-2100 Users List | 5-Year Warranty

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