BTMETER BT-881W Heat Stress Meter Anemometer User Manual

Produkt overview

The BTMETER BT-881W is a versatile digital instrument designed to measure various environmental parameters, including wind speed, ambient temperature, humidity, and Wet Bulb Globe Temperature (WBGT). It serves as both a digital anemometer and a heat stress monitor, suitable for indoor and outdoor applications.

Figure 1: BTMETER BT-881W Heat Stress Meter Anemometer with its primary functions: Wind Speed, Wind Temperature, WBGT Temperature, Humidity, WBGT Alarms, and 5 Wind Speed Units.

Nøkkelfunksjoner:

• Multifunksjonell måling: Measures wind speed, ambient temperature, humidity, and WBGT.
• Høy nøyaktighet: Features upgraded wind and temperature sensors for precise readings.
• WBGT Monitoring: Includes WBGT alarms and supports indoor/outdoor WBGT measurement modes.
• Brukervennlig: Offers 5 air velocity units, 2 temperature units, data hold, backlit LCD, and auto power-off.
• Monterbar stativ: Equipped with a 1/4" screw hole for tripod installation.

Oppsett

Batteriinstallasjon:

The BT-881W requires one 9V battery (not included). To install the battery:

1. Finn batteridekselet på baksiden av enheten.
2. Åpne dekselet.
3. Insert a 9V battery, ensuring correct polarity.
4. Lukk batteridekselet godt.

Stativmontering (valgfritt):

For stable measurements, the device can be mounted on a tripod. A 1/4" screw hole is located at the bottom of the unit.

1. Locate the 1/4" screw hole at the base of the meter.
2. Align the meter with your tripod's mounting screw.
3. Gently twist the meter onto the tripod until it is secure.

Figur 2: Bak view of the BT-881W showing the battery compartment and dimensions.

Bruksanvisning

Slå på/av:

• Trykk på Makt knappen for å slå på enheten.
• The device features an auto power-off function to conserve battery life.

Mode Switching (Wind Speed / WBGT):

Trykk på MODUS button to switch between wind speed measurement and WBGT (Wet Bulb Globe Temperature) measurement.

Wind Speed Unit Selection:

In wind speed mode, press the VIND button to cycle through the 5 available air velocity units: m/s, Ft/min, Knots, Km/h, Mph.

Figure 3: Display showing various wind speed units and the tripod mounting option.

Temperature Unit Switching (°C / °F):

Trykk på ° C / ° F -knappen for å veksle mellom temperaturenhetene Celsius og Fahrenheit.

Indoor/Outdoor WBGT Mode:

In WBGT display mode, press the UT INN button to switch between indoor and outdoor WBGT measurement modes. This helps account for differences in temperature, humidity, and direct or radiant sunlight.

Datahold funksjon:

Trykk på MAX/MIN button briefly to activate the data hold function, which freezes the current measurement on the display. Press again to release.

WBGT Alarm Settings:

The device can alert you when the black globe temperature (TG) level reaches a set threshold (20~50°C).

1. Trykk på SETT knappen for å gå inn i alarminnstillingsmodus.
2. Bruk piltastene (▲ / ▼) to adjust the alarm temperature value.
3. When WBGT alarms are triggered, the backlight color changes to red.

Figure 4: WBGT alarm levels and corresponding temperature ranges (Caution, Extreme Caution, Danger, Extreme Danger).

Videodemonstrasjon:

Vedlikehold

• Hold enheten ren og tørr. Bruk en myk, damp klut til rengjøring; ikke bruk slipende rengjøringsmidler eller løsemidler.
• Store the device in its protective pouch when not in use to prevent damage.
• Remove the battery if the device will not be used for an extended period to prevent battery leakage.
• Unngå å utsette enheten for ekstreme temperaturer, direkte sollys eller høy luftfuktighet.

Feilsøking

If you encounter issues with your BTMETER BT-881W, consider the following common troubleshooting steps:

• Enheten slås ikke på: Sjekk om 9V-batteriet er riktig installert og har tilstrekkelig ladet. Skift ut batteriet om nødvendig.
• Unøyaktige avlesninger: Ensure the sensors are clean and unobstructed. Allow the device to equilibrate to the environment for several minutes, especially for WBGT measurements.
• Skjermproblemer: If the display is dim or flickering, replace the battery.
• WBGT alarm not working: Verify that the alarm temperature is set correctly in WBGT mode.

For further assistance, please refer to the Support section.

Spesifikasjoner

Garanti og støtte

Garantiinformasjon:

The BTMETER BT-881W comes with a 1 års produsentgaranti. All BTMETER electrical products are strictly calibrated before shipment.

Teknisk støtte:

BTMETER provides lifetime technical support for this product. For any technical inquiries, troubleshooting assistance, or warranty claims, please contact BTMETER customer service directly. Refer to the contact information provided with your purchase or visit the official BTMETER webnettsted for støttedetaljer.