Bruel & Kjaer 1607 Frequency & Distortion Measuring Bridge
Frequency Range: 20 Hz to 20 kHz over 6 settings
Function Selector: 0 dB Linear, Frequency, Distortion & -20 dB Linear.
$ 250.00 US

Bruel & Kjaer 1620 Extension Filter Set

$ 250.00 US

Bruel & Kjaer 1624 Octave Filter Set - Mint
This is an Octave Filter Set primarily intended for use with Precision Integrating Sound Level Meter Type 2230 or 2233 (not incl.). Used with either of the SLMs, it forms a compact and portable lightweight unit enabling in situ octave acoustic analysis. Semi-automatic recording of the analysis is possible using either Level Recorder Type 2306 or 2309 (not incl.). Manual stepping of the filter is indicated by a green LED.

The selectable centre frequency range is from 31.5 Hz to 16 kHz and a linear position gives a frequency band from 5 Hz to 75 kHz. The analysed signal may also be weighted by selecting 'A' or 'C' Frequency of the SLM.

Comes with Filter Set, Instruction Manual (with service instruction schematic) & Connector Kit
$ 760.00 US

Bruel & Kjaer 2107 Frequency Analyzer
SPECIFICATIONS:
Frequency Response: 2 Hz to 35 kHz,
Adjustable Bandwidth: 6 - 30%,
Continuous Sweeping: 20 Hz to 20 kHz and
can be used as a direct distortion meter.
$ 200.00 US

Bruel & Kjaer 2208 Noise Event Monitor
- 10 to +10 dB meter scale with selectable ranges from 30 dB (A) to 120 dB (A).
Has On/Off Max RMS Hold Switch & uses a 1" microphone capsule (not included).
Call for price

Bruel & Kjaer 2230 Sound Level Meter 1624 Octave Filter Set 4155 Microphone

FEATURES:
• IEC Type 1 (Impulse) Instrument
• A-, C-, Lin. and All Pass weighting
• Five measuring modes
• RMS Fast, Slow, Impulse, and Peak response
• 24 to 130 dB
• 4-digit LCD updated every second. 0.1 dB resolution
  
  This "Kit" Comes With:
  
• Bruel & Kjaer 2230 Precision Integrating Sound Level Meter
• Bruel & Kjaer 1624 Octave Filter Set
• Bruel & Kjaer 4155 1/2" Microphone Capsule
• J. Gershfeld Inline 6950 Scan-Mate Automatic Horizontal Frequency Calculator
• Bruel & Kjaer Windscreen
• Bruel & Kjaer Transit Case / Briefcase

Bruel & Kjaer 2416 Electronic Voltmeter

$ 150.00 US

Bruel & Kjaer 2425 Electronic Voltmeter 0-5 Hz to 0-5 MHz

$ 425.00 US

Bruel & Kjaer 2513 / 2516 Integrating Vibration Meter - Complete and BRAND NEW in Box
We have the 2513 which is the metric version of the 2516.
The Types 2513 Integrating Vibration Meter has been developed to meet the needs of the user who requires an economical yet accurate instrument for day-to-day vibration measurements. Compact and light enough to be carried in the Document Folder supplied, they incorporate several advanced features which enable them to be used easily by busy personnel for whom mechanical vibration measurement is only one of many activities.

The 2513 is graduated in metric units

FEATURES:
• Choice of measurement units — SI with 2513, g’s and in/s with 2516
• Robust, slim-line construction
• AC output for use with recorder, analyzer etc.
• Compact pre-calibrated Piezoelectric Accelerometer, with robust connection-cable, supplied
• True Peak, Max-Peak, RMS or RMS-Max. indication of vibration acceleration or velocity
• Vibration acceleration ranges cover 1 to 1000m/s2 (2513)
• Vibration velocity ranges cover 0,1 to 100mm/s (2513)
  
  Types 2513: Integrating Vibration Meter Include the following accessories:
• Type 4384 Piezoelectric Accelerometer
• KE 0198 Document Folder
• AO0193 1.2m (4ft) TNC-to-TNC Accelerometer Cable
• UA 0641 Adaptor, TNC plug to Accelerometer
• UA 0642 Mounting Magnet (includes 1 Ferromagnetic Disk YO0070 and 2
• PTFE Isolating Disks DS0553)
• JP0213 2.5mm (0,1in) Sub-Miniature Jack Plug
• QB0013 3 Alkaline Cells
• QP 4992 Measurement Record Pad
• Calibration Chart
• Manual - Everything you see in the bottom photo

Bruel & Kjaer 2635 Charge Amplifier
The 2635 is a comprehensively equipped charge conditioning amplifier intended for a large array of applications. It's output can be routed to recorders, voltmeters, frequency analyzers & more.
Features:
3 digit conditioning to transducer sensitivity
Unified output ratings for simplified system calibration
High sensitivity up to 10 V/pC
Built-in integrators for displacement & velocity
Switchable low and high frequency limits
Built-in test oscillator
Charge Input

Specifications available upon request.
$ 1,200.00 US

Bruel & Kjaer 2801 Microphone Power Supply

$ 350.00 US

Bruel & Kjaer 2805 Power Supply
For the following Bruel & Kjaer instruments:
1621, 2511, 2634, 2635, 2651 & 4291.
This unit has 12 outputs & 2 channels. DC Output: + 14 V or 28 V
Output Connections per Channel: 5 Microdot / UNF sockets
Also has 1 x 6 pin Bulgin socket
Input Power: 100/115/127, 220/240 Volts, 50-400 Hz.
Our unit is missing the base plate, but otherwise in very good condition.
Call for price

Bruel & Kjaer 2811A - 8 Channel Multiplexer
This 8 channel unit has Channel Dwell Time settings for
1/16, 1/8, 1/4, 1/2, 1, 2, 4, 8 & 16 Seconds.
You can set theCalibrator Level to 94 dB, 124 dB, 1 Pa or 31.6 Pa and Microphone Sensitivity to 12.5 mV / Pa or 50 mV / Pa.
100/127V or 200/240V, 50/60 Hz.
Call for price

Bruel & Kjaer 3921 Turntable

$ 1798.00 US

Bruel & Kjaer 4178 Sound Intensity Microphone Set with         2 pcs 4135 1/4" Microphone Cartridges
This set also has 2 spacers:
1 x UC 0196 - 6 mm Spacer
1 x UC 0195 - 12 mm Spacer.
Additional specifications available upon request.
$ 1500.00 US

Bruel & Kjaer 4181 Sound Intensity Microphone Set with
2 pcs 4181 1/2" Microphone Cartridge
These 1/2" Microphone Cartridges are made to fit 1/4" Preamps.
This set also has 2 spacers:
1 x UC 5269 - 12 mm Spacer
1 x UC 5270 - 50 mm Spacer.
Additional specifications available upon request.
$ 2000.00 US

Bruel & Kjaer ZE0552 Dual Preamplifier with UA0954 1/4" Microphone Adapters, Telescoping Mic Boom & 2 Ch Din-7 Cables
We have 2 of these beauties in stock!
You can adjust the microphone/preamp angles and the
telescoping action (black portion) goes from 15.5" to 24.5"
$ 995.00 US each