Spectrum 3141, 3145A PRODUCT MANUAL

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 counter­clockwise. 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