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Schonstedt - Model MAC-51Bx -Magnetic and Cable Locator
The unique dual function MAC-51Bx receiver is designed to be used in conjunction with the transmitter for tracing buried cables, ferrous/nonferrous pipes, metallized warning tapes, and plastic pipes with tracers. Or it can be used alone to locate any object with a magnetic field – water and gas valves, septic tank handles, manhole covers, etc. Featuring a switch which allows you to choose between the high frequency (82.3 KHz) and the low frequency (571 Hz), the MAC-51Bx lets you locate a complete break using the LO mode and then continue on to trace beyond the break in the HI mode, or trace a metal pipe joined with non-conductive gaskets.
Designed for field use, the MAC-51Bx features a rugged, no-roll cover, protected controls, and solid-state electronics to withstand the rigors of outdoor use. The durable, custom case will also hold up to heavy use in the field. Operating the MAC-51Bx is easy. A modulated/pulse trace signal from the transmitter is coupled inductively by placing the transmitter over and in-line with a cable or conductively by connecting the transmitter directly to a cable. This signal is then detected by the MAC-51Bx and, as you position the receiver over the cable, a siren-like tone decreases to a null. To help you interpret underground clutter, you have the option of switching to the magnetic locator function while tracing a cable which will indicate other targets in the immediate vicinity. Cast iron pipes, power mains, and some 60 Hz service drops are identified by a “burbling sound” which peaks out when the MAC-51Bx is directly over the line. Three year warranty. Transmitter Specifications – Operating temperature: -13°F to 140°F/-25°C to 60°C. Operating voltage: 12V (8 alkaline C-Cell batteries, included). Output frequency: 82.5 kHz modulated at 382 kHz, pulsed at 4.4 Hz (inductive or conductive). Dimensions: 43-1/2ýL x 7ýW x 5ýD. Battery life: 60 hours, intermediate use at 70°F/21°C. Weight: approximately 5.5 lbs. Receiver Specifications – Operating temperature: -13°F to 140°F/-25°C to 60°C. Operating voltage: 9V (two 9V lithium batteries included). Battery life: 60 hours, intermediate use at 70°F/21°C. Output frequency: approximately 40Hz idling tone from speaker. Overall length: 42.3ý. Waterproof length: 34.5ý. Normal sensor spacing: 20ý. Weight: 2.75 lbs.