Power: 4 AA alkaline batteries, 50 hours of battery life. Low Battery Indicator flashes when battery voltage falls below 4.1 volts. 

Input Protection: 250V RMS AC, continuous. 

Cable Impedance: 25 to 330 ohms with auto-compensation.

Maximum Cable Length: Approximately 2500 feet. The unit will visually and audibly indicate if the cable is too long to be correctly measured. 

Representative approximate maximum cable lengths are:
2000 feet --- 12/2 AC wire
Coax 2500 feet --- CAT-5
500 feet --RG-174/U
Twisted Pair 1000 feet -- RG-6/U TV Coax 

Minimum Length: Zero feet. 

Length Accuracy: +/- 2 feet for cables shorter than 10 feet.
+/- 5 feet for cables longer than 10 feet and shorter than 200 feet. +/- 3% for cables longer than 200 feet, when set for the correct cable. 

High Voltage Detection: An AC voltage of more than 30 Volts RMS will trigger the High Voltage Warning. 

Measurement Rate: Maximum of 4 complete measurements per second, decreasing to 2 seconds per measurement based on cable type. 

Measurement Technology: Time Domain Reflectometry (TDR) with 50 ohm drive impedance, 6 volt maximum pulse height, 8 µs maximum pulse width. 

Tone Injection: Approximately 1kHz at an amplitude of 80% of battery voltage. Variable frequency and cadence. Tone characteristic is changed when cable is momentarily shorted.

Cable Types: Virtually all two or more conductor cables.

Environment: 0° to +55°C operating, 0° to +70°C storage, 0 to 80% humidity. 

VOP: Adjustable from -20- to -99-, retained during power off. Default to -66- when batteries are changed. 

Weight: 1 pound, with batteries and clip leads. 

Size: 7.4" tall, 1.5" thick, 2.75" wide.

Limited Warranty: For a period of one year from the date of purchase.

Copyright Notice: All rights reserved. 

Trademark Notice: ShortStop™, PowerTone™, and Can't Find Your Shorts?™ are registered trademarks of Jovial Test Equipment, Inc. 2719 Encinal Avenue, Alameda, CA

Patents Pending