For ambient temperatures from 0°C to 18°C and 28°C to 50°C, for each °C ambient below 18°C or above 28°C add the following tolerance into the accuracy spec: 0.01% of reading + 0.03°C (0.01% of reading + 0.06°F)

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Comes ready to use in a protective foam-lined carrying case complete with free downloadable software, RS232 computer cable (adapter cable also available), beaded wire probe (Ambient Type K probe 800077), and a 9V battery. Can also be used with optional AC Adapter (800003).

These can later be downloaded to a computer via the meter’s computer port and the results viewed instantly on the ThermoLog Software which is downloadable on our website.

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When you feel your pulse, count the number of beats in 15 seconds. Multiply this number by four to calculate your beats per minute.

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Although there's a wide range of normal, an unusually high or low heart rate may indicate an underlying problem. Consult your doctor if your resting heart rate is consistently above 100 beats a minute (tachycardia) or if you're not a trained athlete and your resting heart rate is below 60 beats a minute (bradycardia) — especially if you have other signs or symptoms, such as fainting, dizziness or shortness of breath.

Generally, a lower heart rate at rest implies more efficient heart function and better cardiovascular fitness. For example, a well-trained athlete might have a normal resting heart rate closer to 40 beats per minute.

This well-made unit is extremely accurate and has fast response times. Has a large easy to read 3½" LCD screen and accepts any Type K thermocouple probe.

The software also enables real-time data logging directly from the thermometer to the computer. Maximum Interval Setting Time is 60 minutes in Datalogger Mode. Also features min/max/average, relative temperature, auto power off, and hold functions.

To measure your heart rate, simply check your pulse. Place your index and third fingers on your neck to the side of your windpipe. To check your pulse at your wrist, place two fingers between the bone and the tendon over your radial artery — which is located on the thumb side of your wrist.