Installation Guide
12-Channel Temperature Recorder
with Excel-Formatted Data Logging SD Card
General Tools & Instruments
80 White Street, New York, NY 10013-3567
TEL: 212. 431. 6100 TOLL FREE: 800. 697. 8665
sales@generaltools.com www.generaltools.com
Specifications:
Embedded Microcontroller: Custom one-chip LSI device
Display Type: LCD with green backlight
Display Size: 2.05 x 1.5 in. (52 x 38mm)
Parameter Measured: Temperature (in °F or °C)
Measurement Range:
• Using included “K” Type thermocouples: -148° to 2372°F
(-100° to 1300°C)
• For other thermocouples: depends on type
Measurement Accuracy:
• For included “K” Type thermocouples: ± (0.4 % of reading
+ 2.0°F max)
Measurement Resolution
• For included “K” Type thermocouples: 0.1° (F or C) below
1000°F, 1° (F or C)
above 1000°F
Data Logging Sampling Time: 1 second to 1 hour
Settable Parameters: Date, time, decimal point or comma
decimal division, auto power off, beep
sound, loop recording enable or disable,
temperature unit, sampling time
Storable/Recallable Readings: Maximum, minimum
SD Card Capacity: 1 GB to 16 GB
Operating Temperature: 32° to 122°F (0° to 50°C)
Operating Relative Humidity: 0 to 85%
Power Consumption:
• 7.5 mADC (normal operation, with backlight off and
SD card not saving data)
• 25 mADC with backlight on and card saving data
• 36 mADC with backlight on and card saving data
Dimensions:
8.86 x 4.92x 2.52 in. (225 x 125 x 64mm)
Weight: 2.1 lb. (944g)
Power Source:
Eight “AA” batteries or optional 9-VDC AC adapter
• Hard carrying case
• Two “K Type” beaded
thermocouple probes
• 2 GB SD memory card
• User’s manual
Optional Accessories:
• “K” Type thermocouples
General P/N TPK500 (-50
° to 500°F)
General P/N TPK05 (-40
° to 562°F)
General P/N TPK03 (-40
° to 950°F)
• 9VDC adapter for 110V power supply
(General P/N AC1)
• SDRD1 - SD Card Reader
Included Accessories:
20
No. DT4208SD
• Twelve independent temperature measurement channels
• Displays up to eight channels at a time; one push of a button switches to Channels 9 through 12
• Works with and automatically temperature-compensates for six popular thermocouple types: K, J, T, E, S and R
• Combining thermocouple types extends overall measurement range to -148° to 3092°F (-100° to 1700°C)
• Can automatically log 12 channels of data every day during same period
• Big (2.5 in. diagonal) front-panel green backlit LCD is easy to read
• Displays maximum and minimum readings and holds any reading
• Automatically logs measurements at sampling time settable from one second to one hour
• Also supports manual data logging and changing of SD card storage location
• Auto power off function
Features: