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EXTECH Anemometer: 20 fpm Air Velocity Resolution, Dew Point/Relative Humidity - Rotating Vane Air Velocity Meters
EXTECHRotating Vane Air Velocity Meters

EXTECH Anemometer: 20 fpm Air Velocity Resolution, Dew Point/Relative Humidity

The EXTECH 45158 is a rotating vane air velocity meter with a digital LCD display and plastic vane material. It measures air velocity with a resolution of 20 fpm, temperature accuracy of +/-1.8°F, and relative…

SKU 3G-OTH-170555

Brand
EXTECH
Item
Anemometer: 20 fpm Air Velocity Resolution, Dew Point/Relative Humidity
Category
Rotating Vane Air Velocity Meters
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

EXTECH
Manufacturer Part Number
45158
Type
Dew Point/Relative Humidity, Rotating Vane, 45158
Includes
Lanyard
Data Logging
No
Display Type
Digital
Power Source
Battery
Vane Material
Plastic
Temperature Accuracy
+/-1.8°F
Relative Humidity Accuracy
+/-5%
Digital Display Screen Type
LCD
Min. Velocity Measured Filter
Under 100 fpm

Technical Documents

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EXTECH Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The EXTECH 45158 is a rotating vane air velocity meter with a digital LCD display and plastic vane material. It measures air velocity with a resolution of 20 fpm, temperature accuracy of +/-1.8°F, and relative humidity accuracy of +/-5%. This battery-powered unit includes a lanyard and does not support data logging.

Frequently Asked Questions

What is the EXTECH 45158 anemometer used for?

The EXTECH 45158 rotating vane anemometer measures air velocity, temperature, dew point, and relative humidity. It is used by HVAC technicians, plant engineers, and maintenance professionals for balancing ventilation systems, checking duct airflow, and monitoring environmental conditions in industrial facilities.

What are the specifications of the EXTECH 45158?

The EXTECH 45158 measures air velocity with 20 fpm resolution, temperature accuracy of +/-1.8°F, and relative humidity accuracy of +/-5%. It has a plastic vane, digital LCD display, battery power, and includes a lanyard. Data logging is not supported.

Where to buy the EXTECH 45158 worldwide?

3G Electric supplies the EXTECH 45158 rotating vane anemometer to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this instrument.

How to maintain the EXTECH 45158 rotating vane anemometer?

Keep the plastic vane clean and free of debris to ensure accurate readings. Store the unit in a dry case when not in use. Replace batteries promptly when the LCD display dims. Avoid exposing the meter to extreme temperatures or moisture beyond its rated range.

Used in

Common applications for EXTECH
HVAC system diagnostics — EXTECH AN340 vane anemometer for air velocity and humidity measurement
Industrial machinery maintenance — EXTECH 461995 laser tachometer for RPM and surface speed checks
Food and beverage quality testing — EXTECH RF12 analog refractometer for Brix concentration measurement
Refrigerant leak detection — EXTECH RD350 heated diode leak detector for R-513A systems
Environmental monitoring — EXTECH RH490 data logging hygro-thermometer for temperature and humidity logging
Lighting inspection — EXTECH LT300-NIST light meter for illuminance measurement in workspaces

EXTECH Products

3G Electric supplies EXTECH rotating vane air velocity meters. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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