Extech Instruments PT400 User Manual

Model PT400
Programmable Timer
Additional User Manual Translations available at www.extech.com
USER MANUAL
1
Introduction
Thank you for selecting the Extech PT400 Programmable Timer. The PT400 is a programmable timer
that switches devices ON and OFF at user-programmed time events. It is ideal for energy saving and
home security. It also includes a countdown timer and a randomize feature.
This device is shipped fully tested and calibrated and, with proper use, will provide years of reliable
service. Please visit our website (www.extech.com) to check for the latest version and translations of
this User Manual, Product Updates, Product Registration, and Customer Support.
Features
 10 ON/OFF timer programs with 16 options for day(s) combinations
 12/24 hour mode selection
 Daylight savings time mode
 99 Hour, 59 Minute, 59 Second countdown timer
 Manual mode for overriding pre-programmed ON/OFF timer settings
 Reduces power consumption by automatically turning household appliances on and off
 Anti-theft, random mode protects your home

Safety Information

To ensure the safe operation and service of the meter, follow these instructions closely. Failure to
observe warnings can result in severe injury.
WARNINGS
WARNINGS identify hazardous conditions and actions that could cause BODILY HARM or DEATH

Do not plug two or more timers together.

Do not plug in an appliance whose load exceeds 15 Amps.

Always ensure the appliance plug is fully inserted into the timer outlet.

Remove from main power if cleaning is required. Periodically wipe the case with a damp cloth
and mild detergent; do not use abrasives or solvents.

Do not immerse in water or any other liquid.

Do not plug the timer into a heater or similar appliance. Never leave heaters or similar
appliances unattended during operation.
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