ThermoWorks Thermapen Series User manual

Operating Instructions for

Thermapen™ Pocket Thermometers

Instrument Operation

The instrument is switched on by unfolding the probe until the display illuminates.

Folding the probe back in will turn the unit off. If the probe is left open, the

Thermapen will shut itself off after several minutes to preserve the battery. Apply

the tip of the probe to the substance, medium or surface to be measured. The

instrument reading may take a few seconds to stabilize, depending on the nature of

the measurement. The probe measures the temperature very near the tip. It should be

immersed or penetrated at least 1/8 in. or more (Fast Thermapen).

Care and Cleaning

Don’t immerse any part of the plastic housing. It is NOT waterproof.

Do not bend the stainless steel probe shaft.

Do not leave the Thermapen in an oven. Instead, open the door, insert probe to the

center of the thickest part of item being measured (avoiding bone). Observe the

reading after display stabilizes, remove the Thermapen and close the oven door.

Clean the Thermapen with a slightly damp cloth and mild cleaner. Anti-bacterial

cleaners are best. Do not let liquid pool on the display window.

Open Circuit/Faulty Probe

If the probe has developed an “open circuit” fault the instrument will display “-1”.

Battery Replacement

Replace the battery immediately if the “Low Bat” illuminates, using a MN21 or a direct

12 volt equivalent. The battery is located under the sliding battery cover at the rear of

the instrument.

Battery Insertion

Open the battery cover at the end of the instrument by applying a little downward

pressure while pulling the cover horizontally away from the instrument. When it hits

the stop, tilt the cover and lift clear. To remove an old battery, pry the positive end

up ﬁrst and withdraw the battery. Insert the new battery ‘negative end’ ﬁrst and then

push down on the ‘positive end’ until it is ﬁrmly in place. Note the correct polarity on

the battery matches the instrument (marked on the rear label and inside the battery

compartment.) Finally, replace the cover.

Alpine, Utah

Ph: 801-756-7705 Fax: 801-756-8948

www.thermoworks.com

Thermapen™ Record Card

Model Range

Thermapen 1 0.1°C -49.9°C to +199.9°C

Thermapen 1 0.1°F -49.9°F to +199.9°F

Thermapen 5 1°C -50°C to +300°C

Thermapen 5 1°F -58°F to +572°F

Calibration

Test Temperature 0°C/32°F 70°C/158°F 100°C/212°F

Instrument Indication

Serial Number

Calibrated by Date

This Thermapen has been checked or calibrated against reference instrument(s)

calibrated by UKAS accredited calibration laboratory.

EMC/RFI

Instrument readings may be affected if the unit is operated within a radio frequency

electromagnetic ﬁeld strength of approximately 3 volts per metre, but the

performance of the instrument will not be permanently affected.

Guarantee

This instrument is guaranteed for a period of one year from the date of purchase

against mechanical and electrical manufacturing defects. There are no user

serviceable parts inside the instrument. Any attempted repair by unauthorized

persons voids warranty. Return to your supplier for service/repair.

Manufactured in the UK by E.T.I. Ltd. for

This manual suits for next models

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