Pen Vibration Meter - Acceleration & Velocity, IP65 | Extech VB400

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Product Specifications

Manufacturer:Extech Instruments

Product Number:VB400

Type:Pen Vibration Meter

Measurement Parameters:Acceleration (RMS), Velocity (RMS)

Acceleration Range:656 ft/s², 20.39 g, 200 m/s²

Velocity Range:7.87 in/s, 2.00 cm/s, 200 mm/s

Resolution:1 ft/s² (accel); 0.02 in/s (vel)

Basic Accuracy:±(5% + 2 digits)

Frequency Range:10 Hz to 1 kHz

Sampling Rate:Approx. 1 second

Zero Adjustment:Yes

Data Hold:Yes

Ingress Protection:IP65

Low Battery Indicator:Yes

Power Supply:4 × AAA batteries

Operating Temperature:0 to 50°C

Dimensions (Meter):175 × 40 × 32 mm

Sensing Head:9 mm dia × 30 mm

Weight:240 g

Certifications:CE, RoHS compliant

Included Accessories:Test pin tip, magnetic base, 4× AAA batteries, pouch case

Product Description

The Extech VB400 pen vibration meter is designed for quick vibration measurements on industrial machinery. It measures RMS acceleration and velocity with selectable metric or imperial units.

Acceleration ranges include 656 ft/s², 20.39 g, and 200 m/s². Velocity ranges include 7.87 in/s, 2.00 cm/s, and 200 mm/s. Frequency range is 10 Hz to 1 kHz, compliant with ISO 2954 for general machinery vibration assessment. Accuracy is ±5% + 2 digits.

The IP65-rated housing resists water and dust. Features include zero adjustment, data hold, and low battery indicator. Sampling rate is approximately 1 second.

Supplied with test pin tip, magnetic base, 4× AAA batteries, and pouch case. Ideal for preventive maintenance on motors, fans, pumps, and rotating equipment.