ThermoWorks RT8400 User Manual

Talking Thermometer

RT8400

INSTRUMENT OPERATION

To turn the instrument on press the [On/Talk] button. Within one second the thermometer
is ready to work. Apply the tip of the probe to the substance or medium to be measured.
Wait a few seconds to allow the probe tip to come to the full temperature then press the
[On/Talk] button to hear the temperature. Press the [On/Talk] button to repeat the voice
message. If the temperature is currently changing, the reported reading will change.
The display constantly updates once per second to show the current temperature.
The instrument will automatically power off after ten minutes to maximize battery life.

SETUP AND INSTALLATION

1. Open the battery cover and remove battery insulation strip.

2. Select the desired temperature unit (°F or °C) using the button on the rear of the
thermometer.

NOTE

1. Clean the probe immediately with cleaning wipes after each measurement to avoid
cross contamination.

2. Do not expose the plastic body of the thermometer to temperatures lower than 32°F
(O°C) or higher than 122°F (5O°C) otherwise incorrect readings or damage to the
thermometer may result.

3. If the thermometer is not in use for a long period of time then remove the batteries
from battery compartment to avoid battery leakage.

4. Do not expose the thermometer body to water or moisture.

SPECIFICATIONS

Measuring Range -58 to 572°F / -50 to 300°C
Display Accuracy ±1.8°F / 1°C : -3.8 to 247.8°F (-19.9 to 119.9°C)
±3.6°F / 2°C : -58 to -4°F and 248 to 391.8°F (-50 to -20°C)
±5.4°F / 3°C : 392 to 572°F (200 to 300°C)

Display Resolution 0.1° over full range
Response Time About 10 seconds from ambient to 212°F (100°C)

Display Reading Update 1 second
Automatic Power Off After idle for 10 Minutes
Battery 1.5 volt, type AAA or equivalent x 2 pieces (included)
Battery Life About 4,000 hours in standby mode
Probe 0.12 x 4.9 inches, Tip reduces to 0.08 inch dia.

3.0 mm x 125 mm, Tip reduces to 2.0 mm dia.

Display Size 1.0 (W) x 0.5 (H) inches
26 (W) x 12.5 (H) mm
Product Size 2.0 (W) x 4.4 (H) x 1.2 (D) inches (not including probe)
51 (W) x 110 (H) x 30 (D) mms (not including probe)

ERROR SYMBOLS

Symbol Descr iptio n Action Required

Low Bat tery Replace the ba tte ries

1-Sensor open circui t

LLLL

2-Read ing is ou t of low range <-50°C

1-Sensor shor t circuit

HHHH

2-Read ing is ou t of high rang e >300° C

1-Retu rn the t hermometer for r epair
2-Keep the mea surement above the low ran ge

1-Retu rn the t hermometer for r epair
2-Keep the mea surement below th e high range

Utah, U.S.A.

Ph: 801-756-7705

Fax: [phone]

For additional cooking tips and doneness temperatures

visit our website at www.thermoworks.com

RT8400 Talking Thermometer