Calibration ensures Regulatory and Audit Compliance

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 important.
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