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Meter Style:

Frequency Range:

Allow up to: overrange/margin
Use the overrange/margin to restrict your search to items whose full-scale range is close to your requirements.
(Overrange/margin requires both 'From' and 'To' values to work.)

Sound Level Range:

Allow up to: overrange/margin
Use the overrange/margin to restrict your search to items whose full-scale range is close to your requirements.
(Overrange/margin requires both 'From' and 'To' values to work.)

Sound Level Measurement Modes:

Threshold Level Range:

Criterion Level Range:

8-hour Dose Measurement?

Control Panel:

Interface Options:

Display:

Application Software Included?

Features:

Operating Humidity Range:

%
Allow up to: overrange/margin
Use the overrange/margin to restrict your search to items whose full-scale range is close to your requirements.
(Overrange/margin requires both 'From' and 'To' values to work.)

Operating Temperature Range:

Allow up to: overrange/margin
Use the overrange/margin to restrict your search to items whose full-scale range is close to your requirements.
(Overrange/margin requires both 'From' and 'To' values to work.)

Help with Sound Level Meters and Noise Dosimeters specifications:

Specifications
   Meter Style       
   Your choices are...         
   Sound Level Meter       Unit for measuring Sound Pressure Level (SPL) and different weightings such as A-weighted SPL, C-weighted SPL, Sound Exposure Level, etc. 
   Noise Dosimeter       Specific measurement capability for defined industrial safety criteria. Typical measure is sound exposure for an 8-hour period; other criteria may apply. 
   Sound Level / Noise Dosimeter Combination       One unit or meter with both capabilities. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
   Frequency Range:       Frequency Range is the range of frequencies for which the meter maintains a constant sensitivity within defined boundaries. Functionally, this is the operational range of the meter. 
   Search Logic:      User may specify either, both, or neither of the limits in a "From - To" range; when both are specified, matching products will cover entire range. Products returned as matches will meet all specified criteria.
   Sound Level Range:       Sound level range is limited on the low end by the inherent noise of the acoustic system and on the high end by the maximum sound pressure level. 
   Search Logic:      User may specify either, both, or neither of the limits in a "From - To" range; when both are specified, matching products will cover entire range. Products returned as matches will meet all specified criteria.
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Sound Level Measurement Modes
           
   Your choices are...         
   Flat (Unweighted) SPL       Straight physical quantity with no weighting. 
   A-Weighted SPL (LA)       A-weighting is a frequency domain weighting based on human hearing response; filters out low frequency sound to approximate the response of the human ear. 
   C-Weighted SPL (LC)       C-Weighting filters less low frequency sound than A-weighting; closer representation of acoustic energy across all frequencies. 
   A-Weighted Sound Exposure Level (LAE)       Defined for short or one-time sounds as the equivalent 1-second level. 
   Equivalent Continuous SPL (Leq)       Noise Level of a continuous steady sound whose time-averaged power equals that of the fluctuating noise under measurement. 
   Percentile SPL (LX)       Percentage of time during a given measurement period that the instantaneous measurement exceeds a given value. May independently show predefined levels such as L5 or L95, etc. 
   Other       Specialized weighting modes include B, D, and G. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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Noise Dosimeter Measurement
   Threshold Level Range:       Threshold Level is set for the beginning of meaningful measurement; discounts irrelevant low-level noise. 
   Search Logic:      User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
   Criterion Level Range:       Criterion is the standard noise level to which the exposure or dose will be compared. 
   Search Logic:      User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
   8-hour Dose Measurement?       One standard elapsed time dose measurement. 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
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User Interface Options
   Control Panel:       
   Your choices are...         
   Analog       Has analog user inputs such as potentiometers, dials, switches, etc. 
   Digital       Setup or program through the front panel using digital keypad, menus, etc. 
   Computer Interface       Can be controlled or monitored remotely with a computer via interface. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
   Interface Options:       
   Your choices are...         
   Serial       Serial communication protocol such as RS-232, RS-485, USB. 
   Parallel       GPIB / IEEE-488 / HPIB Protocol. 
   Other       Special requirements such as modem, RF transmitter, etc. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
   Display       
   Your choices are...         
   Analog Meter / Indicator       Includes needle meters, LED indicators, etc. 
   Digital Readouts       Numerical or application-specific readouts. 
   Video Display Terminal       VDT styles include CRT, flat panel displays, etc. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
   Application Software Included?       For control or for monitoring meter performance. 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
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Features
           
   Your choices are...         
   Auxiliary Output(s)       Meter puts out an analog voltage, current, etc., which can be monitored by other equipment. 
   Outdoor Rated       Meter or Casing can withstand outdoor environment. 
   Human (Hand-Arm) Vibration       Measures industrial, environmental or occupational vibration such as power tools, nearby trains, etc. 
   Data Storage       Integral or on-board reading storage capability. 
   Spectrum (Frequency) Analysis       Analyzes and / or displays readings in the frequency domain. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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Environment
   Operating Humidity Range:         
   Search Logic:      User may specify either, both, or neither of the limits in a "From - To" range; when both are specified, matching products will cover entire range. Products returned as matches will meet all specified criteria.
   Operating Temperature Range:         
   Search Logic:      User may specify either, both, or neither of the limits in a "From - To" range; when both are specified, matching products will cover entire range. Products returned as matches will meet all specified criteria.
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