Bently Nevada 330425-02-05 Accelerometer

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Manufacturer: Bently Nevada
Product No.: 330425-02-05
Country of origin:United States
Product Type: Accelerometer
Barcode: 8537101190
Payment: T/T, Western Union
Weight: 100g
Dimensions: 23 mm x 59 mm x 23 mm (H x W x D)
Shipping port: Xiamen
Warranty: 12 months

Description

The 330425-02-05 is a high-reliability accelerometer from the Bently Nevada 3300 series, specifically configured for critical machinery applications where casing acceleration measurement is essential. This variant features a 25 mV/g sensitivity and a 75 g peak amplitude range, making it suitable for monitoring gear mesh and other high-frequency vibration events. This unit utilizes an M8 x 1 integral mounting stud (Option 02) and is rated for operation in hazardous areas with multiple agency approvals (Option 05), including CSA, ATEX, and IECEx. Designed to operate in harsh industrial environments, the 330425-02-05 provides a robust solution for protecting rotating machinery. The sensor is constructed with a 316L stainless steel case, offering excellent resistance to corrosion and environmental degradation. It is fully compatible with existing 3300 series monitoring systems and is engineered for installation on bearing housings or machine casings to ensure accurate signal transmission for vibration analysis and protection.

Features

Sensitivity: 25 mV/g (2.5 mV/m/s2) with a 75 g peak acceleration range.
Mounting: Integrated M8 x 1 mounting stud (Option 02).
Approvals: Multiple hazardous area certifications including CSA, ATEX, and IECEx (Option 05).
Construction: 316L stainless steel, hermetically sealed casing for environmental protection.
Frequency Response: 10 Hz to 15 kHz (+/- 3 dB); 30 Hz to 10 kHz (+/- 10%).
Mounting Resonant Frequency: Greater than 30 kHz.
Operating Temperature: -55 degC to +121 degC (-67 degF to +250 degF).
Grounding: Case isolated for electrical interference reduction.

Applications

Gear mesh monitoring in rotating machinery
Bearing housing vibration measurement
Critical machinery protection for motors, pumps, and compressors
General purpose casing acceleration for high-frequency vibration analysis
Hazardous area machinery monitoring

Ordering Information

Option	Code on This SKU	Description
Orderable Part Number	330425-02-05	330425 Accelerometer, M8 x 1 stud, Agency Approved
A - Mounting Thread	02	M8 x 1 integral stud
B - Agency Approval	05	Multiple approvals (CSA, ATEX, IECEx)

Technical Specifications

Manufacturer	Bently Nevada
Part Number	330425-02-05
Sensitivity	2.5 mV/m/s2 (25 mV/g) +/- 5%
Acceleration Range	735 m/s2 (75 g) peak
Amplitude Linearity	+/- 1% to 735 m/s2 (75 g) peak
Frequency Response	10 Hz to 15 kHz (+/- 3 dB)
Case Material	316L stainless steel
Operating Temperature	-55 degC to +121 degC (-67 degF to +250 degF)
Connector	3-pin MIL-C-5015 Receptacle
Weight	100 g (3.5 oz) typical
IP Rating	IP68 (sensor only)
Shock Survivability	49,050 m/s2 (5000 g) peak

Installation Guidelines

Mount on a clean, flat surface with 32 uinch rms finish or better.
Recommended mounting torque: 4.1 N-m (3.0 ft-lb).
Ensure the mating connector provides IP54 ingress protection or better in hazardous areas.
Use appropriate conduit and cabling for hazardous area installations as defined by local electrical codes (e.g., NEC/CEC).
Transient protection should be set at a level not exceeding 140% of the peak rated voltage at supply terminals.

Compliance and Certifications

ATEX (Directive 2014/34/EU)
CSA (C22.2 No. 61010-1-12, ANSI/UL 61010-1)
IECEx
EMC Directive 2014/30/EU
RoHS Directive 2011/65/EU
ABS Marine Vessels compliant

Key Features:

#Accelerometer

Product Documentation

Technical Datasheet (PDF) Complete specifications and technical drawings.

What is the primary difference between the 330400 and 330425 accelerometers?

The 330400 has a 100 mV/g sensitivity and 50 g peak range, while the 330425 (this model) provides a 25 mV/g sensitivity and a higher 75 g peak amplitude range.

What does the '02' option code specify for this SKU?

The '02' option code specifies an M8 x 1 integral mounting stud.

Does this accelerometer require a specific mounting torque?

Yes, the recommended mounting torque is 4.1 N-m (3.0 ft-lb) on a surface with a 32 uinch rms finish or better.

What agency approvals are included with the '05' option?

The '05' option code includes multiple hazardous area approvals, specifically CSA, ATEX, and IECEx certifications.

Global Express Shipping

Standard Delivery: 4-6 Business Days via DHL, FedEx, and UPS.
Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
Worldwide Coverage: Serving over 150 countries, including rapid delivery to Saudi Arabia and UAE.

Returns & Warranty

30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
12-Month Warranty: Every industrial component is backed by our professional technical warranty.

Orders are processed and delivered Monday-Friday (excluding public holidays).

For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .

TECHNICAL SPECIFICATIONS

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Bently Nevada 330425-02-05 Accelerometer