The 8872-1w Sonde, Camera and Utility Locator offers two active frequencies - 512 Hz, 51 kHz - ensuring adequate signal is applied to buried utilities in any environment. Using industry standard 512 Hz frequency the 8872-1w traces all Sonde and inspection camera packages operating at this frequency regardless of manufacturer. Multiple active frequencies of the 8872-1w allow the user to accurately locate utilities and metallic pipes with a minimum of "ghosting" to adjacent lines while maintaining the ability  to continue locating over gaskets and around conduit bends. Passive frequencies identify "live" and charged lines by their naturally occurring electromagnetic fields. The 8872-1w offers one passive frequency of 50/60 Hz - allowing line locating without the use of a transmitter.

Transmitter functions include improved transmitter induction and automatic impedance matching when using direct connection. All functions are accessed via weather-proof membrane buttons and both user input and transmitter status are verified with audible responses. Whether using direct connection, induction mode, or coupler induction, the 8872-1w is ideal for all three methods of signal application.

Simple to operate, the ergonomically designed and balanced 8872-1w receiver pinpoints inspection cameras, and Sondes in nonmetallic conduits. A large backlit digital display provides both relative and actual signal strength while a variable tone pitch gives an audio indiction to the signal. The triple antennae configuration works in a peak, pin-point peak, and null modes and also provides push-button depth accurate up to 15 feet.

Whether locating water lines, sewer lines, inspection cameras, or Sondes, this is an economical and dependable locator for companies of all sizes.

Transmitter:

Tone Frequency: 512 Hz and 51 kHz

Hook-Up Connection: Direct Connection, Transmitter Inductive Coupling, and Coupled Induction

Load Matching: Automatic from 5 ohms to 2000 ohms

Output Power:    Frequency         Normal       High   

                              512 Hz            .5W            1.0W

                              51 kHz            .5W            1.0W

Max Open Circuit Voltage: 30 V PK-PK AC

Operating Temperature: -4°F to +133°F (-20°C to +55°C)

Power Source: 8 "C" Batteries

Battery Life: Greater than 36 Hours

Size: Transmitter: 8.5" x 5.8" x 2.5" (21cm x 15cm 6cm)

Weight: 2.2 lbs (1 kg)

Receiver:

Input Frequency: 512 Hz, 51 kHz, 50/60 Hz

Antenna Mode: Peak, Pin-Point Peak, and Null

Display Indicators: Backlit LCD Bar Graph, Low Battery, Signal Strength, Mode and Function Indicators

Audio Indication: Variable Pith Response

Current Measurement: Display Indicates Relative Current

Power Source: Disposable: 6 "C" Batteries

Battery Life: Continuous: 40 Hours. Intermittent: 82 Hours

Signal Strength: LCD Bar Graph, ABsolute Signal Strength Readout

Gain Control: Up/Down for Automatic Centering and Manual

Dynamic Range: 126 dB

Depth Measurement: Push-Button Readout to 15 feet or Manual Triangulation Method

Operating Temperature: -4°F to +133°F (-20°C to +55°C)

Size: 30.3" x 9.4" (77cm x 24cm)

Weight: 3 lbs (1.36 kg)

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