Spectrum Technologies 3141 Manuale utente

Digital

Wind/Temperature &

Wind/Temperature/RH

Meters

PRODUCT MANUAL

Item # 3141, 3145A

Thank you for purchasing a 3141 Wind/Temp Meter or a 3145A

Wind/Temp/RH Meter. Please read this manual thoroughly before

using your meter.

Specifications

Wind Speed range 0.5-44.7mph (0.8-72.0 km/h)

Wind Speed accuracy ±5%, or ± last significant digit

Temperature range 32 to 122°F (0 to 50°C)

Temperature accuracy ±2°F (±1°C)

Humidity range (3145A only) 5 to 95% RH

Humidity accuracy (3145A only) ±3% RH

Power Supply CR2032 battery

Getting Started

To open the battery cover, use a coin to turn the cover counter-

clockwise. Put the battery (CR2032) into the battery compartment

(3145A: between the two metal contacts) with the “+” side out.

Place the battery cover back on and turn the cover clockwise with a

coin to lock the cover. If your LCD display looks blurred, remove

the protective film.

Power ON/OFF

Power on the meter by pressing the HOLD/ON/OFF button. All

segments on the display will appear for one second. Press and

hold the HOLD/ON/OFF button for more than 3 seconds to power

off the meter.

The meter will turn itself off after 5 minutes of inactivity. To cancel

this function, with the meter off, press and hold HOLD/ON/OFF for

more than 3 seconds (until the LCD displays “n”). Release the

button. The meter will now stay on until it is turned off. Auto Power

off will be re-enabled the next time the meter is turned on.

Operation

Taking Measurements

Hold the meter and target the air source from the rear of the unit.

Hold the meter at arm’s length, away from your body.

Data Hold

Press the HOLD/ON/OFF button to freeze the display. “HLD” will

appear on the LCD, and the current reading will be displayed until

the HOLD/ON/OFF button is pressed again.

Viewing the Measurements

Press the UNIT/MODE button to switch between:

Wind Speed - selected speed units will display at the top

Maximum Wind Speed - selected units and MAX will display

Temperature - °F or °C will display on the right

Relative Humidity (3145A) - % will display on the right

Wind Chill Index - WCI and °F or °C will display

Dew Point (3145A) - DP and °F or °C will display

Wet Bulb Temp (3145A) - WBT and °F or °C will display

External Temp Probe will always display dashes and EXT

Selecting Wind and Temperature Units

Press the UNIT/MODE switch to display either the Temperature or

Wind Speed. Then press the HOLD/ON/OFF and UNIT/MODE

buttons simultaneously to change the units of measurement.

In wind mode, you can choose between BF (Beaufort), FT/M (feet/

minute), M/H (miles per hour), KMH (kilometers/hour), M/S (meters/

second), and KNT (knots).

In temperature mode, you can choose between °F and °C.

Default Display

The meter initially defaults to displaying Wind Speed when it is

turned on. After that, whatever was last displayed before powering

off is what will be displayed when the meter is turned on.

Battery Replacement

Turn off the meter, then open the battery cover, using a coin to turn

the cover counter-clockwise. Put the battery (CR2032) into the

battery compartment (3145A: between the two metal contacts) with

the “+” side out. Place the battery cover back on and turn the cover

clockwise with a coin to lock the cover.

CAUTION

The meter is accurate at low and mid-range air speeds. Consistent

use at high speeds, such as from the window of a fast-moving car,

will damage the impeller’s bearing and reduce accuracy.

3600 Thayer Ct.

Aurora, IL 60504

(800) 248-8873 or (815) 436-4440

Fax (815) 436-4460

E-Mail: [email protected]

www.specmeters.com

This equipment has been manufactured for

Spectrum Technologies, Inc.

3600 Thayer Court

Aurora, IL 60504 USA

The Manufacturer’s DECLARATION OF CONFORMITY is on file at the above address,

and certifies conformity to the following:

Model Number: 3141, 3145A

Description: Wind/Temp Hand-Held Meter

Type: Electrical Equipment for Measurement, Control, and Laboratory Use

Directive: 2004/108/EC

Standards: EN 61326-1 (2006)

CISPR11

EN 61000-4-2 (1995+A1:1998+A2:2001)

EN 61000-4-3 (2006+A1:2008)

Warranty

This product is warranted to be free from defects in material or work-

manship for one year from the date of purchase. During the warranty

period Spectrum will, at its option, either repair or replace products that

prove to be defective. This warranty does not cover damage due to

improper installation or use, lightning, negligence, accident, or unau-

thorized modifications, or to incidental or consequential damages be-

yond the Spectrum product. Before returning a failed unit, you must

obtain a Returned Materials Authorization (RMA) from Spec-

trum. Spectrum is not responsible for any package that is returned

without a valid RMA number or for the loss of the package by any ship-

ping company.

Rev. 11/2020

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