ThermoWorks Therma 20 Manuel utilisateur

Ref: 547-140 / 15.10.21

ThermoWorks, Inc.

Utah, U.S.A.

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

www.thermoworks.com

Therma 20

Therma 22

ThermaCheck

Thermometers

Operating Instructions

For warranty, service, and technical assistance,

please contact ThermoWorks’ Technical Support at (801)

756-7705 or email at techsupport@thermoworks.com.

P-10-001-02-e

SPECIFICATIONS

(Therma 20 & ThermaCheck)

SPECIFICATIONS

(Therma 22)

–40 to 302 °F (–39.9 to 149.9°C)

0.1°F

±0.5°F (±0.3°C) to 158°F (70°C)

±0.7°F (±0.4°C) from 14 to 158°F

(–10 to 70°C)

Thermistor

3 x AAA, minimum 5 years (20,000 hours)

After 10 minutes

0.47 inches (12 mm) LCD

5 H x 2.2 W x 1 D inches

(128 H x 56 W x 25 D mm)

0.29 lb. (130 g)

NIST-traceable calibration certiﬁcate

239 to 752°F (–199.9 to 400°C)

–40 to 302°F (–39.9 to 149.9°C)

0.1° to 572°F (300°C)

thereafter 1°

±0.9°F (±0.5°C) -58 to 302°F

(-50 to 150°C)

±0.7°F (±0.4°C) 14 to 158°F

(–10 to 70°C)

3 x AAA

Minumum 10,000 hours

Minimum 5 years (20,000 hours)

Thermistor/Type T thermocouple

0.47 inches (12mm) LCD

5 H x 2.2 W x 1 D inches

(128 H x 56 W x 25 D mm)

0.29 lbs. (130 g)

Temperature Range:

Resolution:

Accuracy (ThermaCheck):

Accuracy (Therma 20):

Sensor:

Battery:

Auto-Off:

Display:

Dimensions:

Weight:

Calibration:

Range (Type T thermocouple):

Range (Thermistor):

Resolution:

Accuracy (Type T thermocouple):

Accuracy (Thermistor):

Battery:

Battery Life - Thermocouple:

Battery Life - Thermistor:

Sensor Type:

Display:

Dimensions:

Weight:

Made in the UK

INSTRUMENT OPERATION - Where applicable (Therma 20

and Therma 22) connect a probe via the socket located at the

top of the instrument, screw in the collar of the plug, ﬁnger

tight, to ensure a secure connection (do not over tighten).

Switch the instrument on and apply the tip of the probe to

the substance or medium to be measured. The instrument

reading may take a few seconds to stabilize, depending on

the nature of the measurement and sensitivity of the probe.

OPEN CIRCUIT/FAULTY PROBE - If the probe has developed

an 'Open Circuit' fault the instrument will display 'Err'.

SENSORS - The ThermaCheck incorporates a ﬁxed thermistor

probe. The Therma 20 operates with an interchangeable

thermistor probe. The Therma 22 operates with either a

interchangeable thermistor or type T thermocouple probe.

These instruments are designed to be compatible with

ThermoWorks manufactured probes.

CHANGE FROM FAHRENHEIT TO CELSIUS - Press and

hold the “ON/OFF” button for 5 seconds at start up and the

displayed temperature will change from °F and °C.

BATTERY REPLACEMENT - The instrument will display 'LO

BAT' to warn that the batteries will need changing soon. The

instrument continues to measure accurately but after further

usage the instrument will display 'ﬂat bat' and shutdown.

Replace the batteries with three AAA batteries located under

the rear cover that is held in place by a single screw.

GUARANTEE - This instrument carries a two-year warranty

against defects in either components or workmanship.

During this period, products that prove to be defective will,

at the discretion of ThermoWorks, be either repaired or

replaced without charge. This warranty does not apply to

probes, where a six-month period is offered. The product

warranty does not cover damage caused by fair wear and

tear, abnormal storage conditions, incorrect use, accidental

misuse, abuse, neglect, misapplication, or modiﬁcation. Full

details of liability are available within ThermoWorks' Terms

& Conditions of Sale at www.thermoworks.com/product-

warranty. In line with our policy of continuous development,

we reserve the right to amend our product speciﬁcation

without prior notice.

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