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Measured Parameter:

Response Time:

Instrument Type:

Local Interface:

Computer Interface?

Interface Options:

Application Software Included?

Display Type:

Output Options:

Features:

Operating Temperature:

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 Water Quality Photometers and Colorimeters specifications:

Measured Parameter
   Measured Parameter       
   Your choices are...         
   Aluminum         
   Ammonia         
   Bromine         
   Total Chlorine         
   Free Chlorine         
   Chlorine Dioxide         
   Hexavalent Chromium         
   Chromate (Hexavalent)         
   Copper         
   Cyanide         
   Cyanuric Acid         
   DEHA/Oxygen Scavengers         
   Fluoride         
   Formaldehyde         
   Glycol         
   Hardness (Magnesium or Calcium)         
   Hydrazine         
   Hydrogen Peroxide         
   Iodine         
   Iron         
   Manganese         
   Molybdate         
   Molybdenum         
   Nickel         
   Nitrate         
   Nitrite         
   Ozone         
   Peracetic Acid         
   Phenols         
   Phosphate         
   Phosphorus         
   Silica         
   Silver         
   Sulfide         
   Total Petroleum Hydrocarbons         
   Zinc         
   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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Performance Specifications
   Response Time         
   Search Logic:      All matching products will have a value less than or equal to the specified value.
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Instrument Type
   Instrument Type       
   Your choices are...         
   Handheld       Specifically for using while holding in one hand. 
   Portable       Has handles/case/wheels etc. to make easy to move, not necessarily held in hand to use. 
   Fixtured or Permanent       Mounted or fixtured in place for long-running use. 
   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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User Interface Options
   Local Interface       
   Your choices are...         
   Analog Front Panel       Has analog user inputs such as potentiometers, dials, switches, etc. 
   Digital Front Panel       Setup or program through the front panel using digital keypad, menus, 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.
   Computer Interface?       Can be controlled or monitored remotely with a computer via interface. 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
   Interface Options       
   Your choices are...         
   Serial Interface       Serial communication protocol such as RS-232, RS-485, USB. 
   Parallel Interface       Parallel communication protocol such as GPIB / IEEE-488 / HPIB Protocol. 
   Other Computer Interface       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.
   Application Software Included?       For control or for monitoring meter. 
   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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Display Type
   Display Type       
   Your choices are...         
   Analog Meter or Indicator       Includes needle meters, LED indicators, etc. 
   Digital Readouts       Numerical or application-specific readouts. 
   Video Display Terminal       Generic video display terminal, e.g. 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.
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Output Options
   Output Options       
   Your choices are...         
   Analog voltage signal       Voltage output that can be read by a separate device. 
   Analog current signal       Current output that can be read by a separate device; also referred to as "transmitter" option (e.g., 4-20 mA). 
   Frequency or Modulated Frequency       Frequency or modulated frequency output (Ex. sine wave, pulse train, AM, FM) 
   Switch or alarm signal       Output contains a switched signal at a certain threshold. 
   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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Features
   Features       
   Your choices are...         
   Battery Powered       Batteries for full operation, not just backup. 
   Auto Wavelength Selection         
   Automatic Calibration       Typically obtained by inserting blank sample and zeroing out reading. 
   Temperature Compensation       Automatic adjustment of readings to account for sensitivity variation due to temperature fluctuation. 
   Self-Test Diagnostics       On-board diagnostic routines to verify sensitivity, zero point, etc. 
   Water or Weather Resistant Housing         
   Data Storage or Data Logging       Integral or on-board reading storage capability. 
   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 Temperature       Full range of required operating temperature. 
   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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