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Summary of Contents for General DTR900
- Page 1 INSIDE-OUTSIDE THERMOMETER WITH MIN/MAX MEMORY USER’S MANUAL DTR900 Please read this manual carefully and thoroughly before using this product.
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Page 2: Table Of Contents
Setup Instructions ....7 – 13 The DTR900 is an affordable instrument that is accurate enough (±1.8°F) for residential or office Activate the Unit ....7 – 8 monitoring of indoor and remote temperatures. -
Page 3: Key Features
KEY FEATURES PRODUCT OVERVIEW • Simultaneously displays the time and inside and Figure 1 shows the front of the DTR900. Note the remote probe temperatures, or the time and date three separate liquid-crystal displays within one and the remote probe (outside) temperature window (callout 1), the bundled external cable and •... -
Page 4: Setup Instructions
• The cutouts (callouts 9 and 10) on the bottom Fig. 2. corners of the case, with the external probe The back of cable threaded through the left cutout. the DTR900 with the battery SETUP INSTRUCTIONS compartment ACTIVATE THE UNIT... -
Page 5: Choose Your Temperature Unit & Time And Date Format
If the switch is in the °F position: setting the minutes field. You also will have • The DTR900 uses a 12-hour clock and the TIME 15 seconds to finish setting each of the three display indicates whether the reading is AM or remaining fields (hour, month and day) in order. -
Page 6: Set The Time And Date
Flip the unit over in your hand so its front faces you and note that the minutes field of the TIME display • The DTR900 will show the date in a “Month- at right is flashing. Press the MIN/MAX button as Day”... -
Page 7: Extend And Secure The External Sensor Cable
Once you have set the time and date, flip the cable by placing a nail or screw through the DTR900 over in your hand and carefully thread the smaller loop of the metal piece and attaching external sensor cable first through the cutout on... -
Page 8: Operating Instructions
Once you have installed the external sensor cable, use the MIN/MAX button as follows: the DTR900 will monitor both inside (IN) and • Press the MIN/MAX button once and the upper outside (OUT) temperatures. This display left display will show the maximum remote configuration—with IN and OUT temperatures... -
Page 9: Specifications
• Press the MIN/MAX button three times and the next highest and lowest temperatures measured upper left display will show the maximum inside since the battery was installed. temperature measured since the battery was installed or the unit was reset, indicated by the SPECIFICATIONS words MAX and IN. -
Page 10: Maintenance Tips
MAINTENANCE TIPS tions, normal wear and tear, or accidental damage. Although the external sensor cable is waterproof, The defective unit must be returned to General the display unit is NOT waterproof. Do not install Tools & Instruments or to a General-authorized the display unit outdoors. - Page 11 New York, NY 10013-3567 PHONE (212) 431-6100 • FAX (212) 431-6499 TOLL FREE (800) 697-8665 e-mail: sales@generaltools.com www.generaltools.com DTR900 User’s Manual Specifications subject to change without notice ©2012 GENERAL TOOLS & INSTRUMENTS NOTICE - WE ARE NOT RESPONSIBLE FOR TYPOGRAPHICAL ERRORS. MAN#DTR900 10/2/12...
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