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 Sound Level Instruments
 TYPE II METERS NOISE DOSIMETER  CALIBRATOR  Professional Sound Analyzers
Sound Level Meters
Monarch 325  mini-sizeFEATURES     SPECIFICATIONS
Monarch 321 autorangingFEATURES     SPECIFICATIONS
Monarch 322  dataloggingFEATURES     SPECIFICATIONS 
SE-322 Windows SoftwareSPECIFICATIONS
325 Sound Level MeterMonarch 325 mini-size IEC 651 Type II Sound Level Meter
  • 3 Ranges 32 to 130 dB
  • A and C weighting
  • 0-1V Analog Output
  • 50 dB Dynamic Range
  • Fast and Slow time weighting
  • Max and Min feature




SPECIFICATIONS MODEL 325
Level RangeLo = 32-80 dB Med = 50-100 dB Hi = 80-130 dB
Frequency Range31.5 Hz to 8 kHz
Dynamic Range50 dB
Accuracy± 1.5 dB (ref 94 dB @ 1kHz)
Display4 digit LCD
Frequency WeightingA, C
Time Weighting Fast, Slow
Microphone1/2" Electret condenser
Auxiliary OutputsAC output
Power 9V Battery
Battery Life60 hours (with alkaline battery)
Operating Condition-23 to 104 °F (0°C to 40 °C) <90%RH
Dimensions 9.1 x 2.1 x 1.3" (231 x 53 x 33 mm)
Weight approx. 5.78 oz (180 g)
312 Sound Level MeterMonarch 321 IEC 651 Type II Sound Level Meter
  • Autoranging
  • 4 Digit and Bargraph Display
  • A and C weighting
  • AC/DC Outputs
  • 100 dB Dynamic Range
  • Fast and Slow time weighting
  • Max and Min feature
  • RS-232 interface
  • Optional Windows Software


SPECIFICATIONS MODEL 321
Level Range Lo = 32-80 dB Med = 50-100 dB Hi = 80-130 dB
Frequency Range31.5 Hz to 8 kHz
Dynamic Range50 dB (100 dB in Autorange Mode)
Accuracy± 1.5 dB (ref 94 dB @ 1 kHz)
Display4 digit LCD with Bargraph
Frequency Weighting A, C
Time WeightingFast, Slow
Microphone 1/2" Electret condenser
Auxiliary OutputsAC/DC outputs
Power 9V Battery
Battery Life50 hours (with alkaline battery)
50 hours (with alkaline battery) -23 to 104 °F (0°C to 40 °C) <90%RH
Dimensions10.8 x 2.5 x 1.2" (274 x 63 x 30 mm)
Weightapprox. 5.78 oz (180 g)
RS-232 Interface Cable and Windows Software Optional
322 Sound Level MeterMonarch 322 IEC 651 Type II Datalogging Sound Level Meter
  • 32,000 Record Datalogger
  • Autoranging
  • 4 Digit and Bargraph Display
  • A and C weighting
  • AC/DC Outputs
  • 100 dB Dynamic Range
  • Fast and Slow time weighting
  • Max and Min feature
  • RS-232 interface
  • Includes Windows Software

  

SPECIFICATIONS MODEL 322
Level Range Lo = 32-80 dB Med = 50-100 dB Hi =80-130 dB
Frequency Range31.5 Hz to 8 kHz
Dynamic Range50 dB (100 dB in Autorange Mode)
Accuracy± 1.5 dB (ref 94 dB @ 1 kHz)
Display4 digit LCD with Bargraph
Frequency Weighting A, C
Time WeightingFast, Slow
Microphone 1/2" Electret condenser
Auxiliary OutputsAC/DC outputs
Power 9V Battery
Battery Life50 hours (with alkaline battery)
50 hours (with alkaline battery)  -23 to 104 °F (0°C to 40 °C) <90%RH
Dimensions10.8 x 2.5 x 1.2" (274 x 63 x 30 mm)
Weightapprox. 5.78 oz (180 g)
Includes RS-232 Interface Cable and Windows Software
SE-322 Windows Software for Model 321 and 322 Sound Level Meters
SE-322 Screen Shot 

Graphical Software provides:

  • real-time control via RS-232 of meter
  • record, save and export to MS Excel


 

 Noise Dosimeter
FEATURES
  • Measure total sound exposure over an eight hour period
  • Low cost, lightweight, easy to use, personal noise dosimeter
  • Perform OSHA and IEC Noise accumulation surveys
  • Adjustable Criterion Level, Exchange Rate, and Threshold
  • Storage of 5 separate surveys, bi-directional RS-232 with Windows® software, and a real time clock.
  • Software permits user to customize setup and retrieve stored events (% dose, 8 hour % dose, Peak & RMS flags, Exposure Time, Peak time and Peak Event) or analyze real time measurements.
  • Applications include: Personal accumulated noise exposure measurement, Workplace noise assessment, OSHA and other regulatory agency compliances

   

SPECIFICATIONS
Applicable standards :  ANSI S1.25-1991, A weighting
Digital display :0 to 1999%DOSE
Criterion level :80, 84, 85, 90dB Selectable
Threshold level :Selectable from 70 to 90dB, 1dB step
Exchange rate :Selectable 3dB, 4dB, 5dB or 6dB
High level Detector :115dBA
Peak Flag :140dBA
Measuring range :70-140dBA
Accuracy :  +/- 1.5dB ref. 94dB @1KHz
Resolution :  0.1dB
Frequency weighting :  A
Time weighting :FAST , SLOW Selectable
Microphone :1/2 inch electret condenser
Power supply :4 x  (AAA) Alkaline Battery
Battery life :About 36 hours
Dimensions :106 (L) x 60 (W) x 34 (H)mm
Weight :approx. 350g (include batteries)
1355 includes : Instruction manual, Software for Windows, RS-232 Cable, 9 pin to 25pin Gender changer, Carrying case, batteries, Calibration Screwdriver, Windscreen.
 Model 1356 Sound Level Calibrator
1356 Sound Calibrator  FEATURES
  • Conforms to ANSI S1.40 and IEC942 Class 2
  • Portable, easy-to-operate
  • Maintain Sound Level Meters and Dosimeters accuracy in the field.



 

SPECIFICATIONS
  • Sound pressure output at 114dB and 94dB at 1KHz
  • Accuracy ± 0.5dB @ reference conditions
  • Reference conditions: Temp. 20°C, 1013mb, 65%RH
  • Output frequency: 1000 Hz ± 4%
  • Adaptors supplied to fit 1" and ½" diameter microphones.
  • Dimensions: 4.1 x 2.5 x 2.1" (103 x 63 x 54mm)
  • Battery Test: calibrator will not operate if voltage is outside acceptable range

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Monarch Instrument
15 Columbia Drive  Amherst, New Hampshire  03031  USA  Tel: 603-883-3390   Fax: 603-886-3300
Last Updated 12/12/2007
Prices and Specifications subject to change without notice.  ©1996-2007 Monarch Instrument all rights reserved.

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