Rev. 10/07
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DICKSON
Product Applications
These units are self-contained temperature recorders. The SK4 & SL4 recorders are portable, easy-to-use
and provide a permanent record of temperatures. These recorders have locking door and built-in slot for an
optional tie-down cable and lock.
The SK4 was designed for use in applications where recording long term temperature trends is most impor-
tant. The SL4 was built to give you the best of both worlds: a permanent record of long term temperature
recording combined with an easy-to-read, digital display.
Useful Features
Battery Powered, operates on a single AA battery for up to 3 years
2.5 more readable than a 3 inch chart recorder
Totally self-contained and easy-to-use (place directly in the environment to be monitored)
Battery access
Portable and compact
SL4 features easy to read LCD display
Product Specifications
Measurement Ranges:
SL4350: -22 to +122°F, -30 to +50°C, SL4100: 0 to +100°F, -
18 to +37°C, SL490: +45 to +90°F, +7 to +32°C; SK4350: -22
to +122°F, -30 to +50°C, SK4100: 0 to +100°F, -18 to +37°C
Ambient Operating Temperature: -22 to +122°F (-30 to +50°C); 0-95% RH (non-condensing)
Pen Accuracy: ±2% full scale
SL4 Display Accuracy: ±3.6°F (±2°C)
Temperature Sensor: Precise spiral-wound bi-metallic strip transducer
Power Supply: One “AA” alkaline battery, up to 3 years average life
Chart Movement: Battery operated
Average Response Time: 11 minutes to move 63% of full scale
Recording Times: 24 hour or 7 day
Chart Size: 4” DIA
Calibration: User: none; Factory: zero (no display calibration)
Display Type: LCD (SL4 only)
Resolution: 0.1°F (0.1°C)
Mounting: Desk or wall mount
Enclosure: Black ABS & Polycarbonate
Dimensions: 5.2” x 5.2” x 2.4” (13.2 cm x 13.2 cm x 6.1 cm)
Weight: 0.65 lbs (295 g)
Approvals: CE
Includes: One “AA” alkaline battery, pen, and instruction manual
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