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EXTECH 45158 Rotating Vane Air Velocity Meter with Dew Point/Relative Humidity - Rotating Vane Air Velocity Meters
EXTECHRotating Vane Air Velocity Meters

EXTECH 45158 Rotating Vane Air Velocity Meter with 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
45158 Rotating Vane Air Velocity Meter with Dew Point/Relative Humidity
Part Number
45158
Category
Rotating Vane Air Velocity Meters
Available to Order
Also known as:45158EXTECH
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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
Electrical maintenance — EXTECH VT30 voltage and continuity tester for verifying AC/DC circuits up to 690 V.
Industrial inspection — EXTECH HDV700 Series borescope with articulating camera probe for visual checks inside pipes and ducts.
HVAC troubleshooting — EXTECH EX505A-K digital multimeter kit for measuring voltage, current, and resistance in rooftop units.
Water treatment — EXTECH pH 4.00 and pH 7.00 buffers for calibrating pH meters used in process water monitoring.
Plumbing diagnostics — EXTECH HDV7C-P28-30 plumbing camera probe with 98 3/8 ft shaft for inspecting long runs of pipe.
Laboratory calibration — EXTECH pH buffer tablets (PH7-P) for preparing fresh calibration solutions in lab environments.
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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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This rotating vane air velocity meter measures air velocity, dew point, relative humidity, and temperature. It features a digital LCD display, NIST calibration certificate, and battery power. The instrument is used for HVAC system balancing, duct airflow checks, and environmental monitoring in commercial and industrial settings
EXTECH
This rotating vane air velocity meter measures air velocity, dew point, relative humidity, and temperature. It features a digital LCD display, NIST calibration certificate, and battery power. The instrument is used for HVAC system balancing, duct airflow checks, and environmental monitoring in commercial and industrial settings

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