Thermo Scientific - Air Quality Instruments

- Model 43i HL - High Level SO2 Analyzer

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Using pulsed florescence technology, the Model 43i-HL SO2 measures th amount of sulfur dioxide in the air from sub ppm levels up to 1,000 ppm in standard range mode and from 100ppm up to 10,000ppm in extended range. Dual range and auto range are standard features in this instrument as well as temperature and pressure correction. User settable alarm levels for concentration and for a  wide variety of internal diagnostics are available from an easy to follow menu structure.

This state of the art gas analyzer offers features such as an ethernet port as well as flash memory for increased data storage and field upgradeability.

Ethernet connectivity provides efficient remote access, allowing the user to down load measurement information directly from the instrument without having to be on-site.

You can easily program soft-keys to allow you to jump directly to frequently accessed functions, menus or screens. The larger interface screen display measurement information and status, while viewing menu and operational screens.

Key Features

  • Ethernet connectivity for efficient remote access
  • Enhanced user interface with one button programming and large display screen
  • Flash memory for increased data storage and user downloadable software
  • Enhanced electronics design optimizes product commonality
  • Improved layout for easier accessibility to components

Standard Ranges : 0-10, 20, 50, 100, 200, 500 and 1000ppm
 0-20, 50, 100, 200, 500, 1000 and 2000 mg/m3
Extended Ranges : 0-100, 200, 500, 1000, 2000, 5000 and 10000ppm
 0-200, 500, 1000, 5000, 10000 and 20000 mg/m3
Custom Ranges : 0-10 to 1000 ppm (standard), 0-100 to 10000 ppm (extended)
 0-20 to 2000 mg/m3 (standard), 0-200 to 20000 mg/m3 (extended)
Zero Noise : 0.25 ppm (300 second averaging time)
Lower Detectable Limit : 0.5 ppm (300 second averaging time)
Zero Drift (24 Hour) : less than 1ppm per day
Span Drift (24 Hour) : +/- 1% full scale
Response Time : 80 seconds (10 second averaging time)
Linearity : +/- 1% full scale
Sample Flow Rate : 0.6 to 1.0 liters/min
Interferences (EPA levels) : < lower detectable limit except for the following: 
 NO: < 3 ppb, tested at 500 ppb, M-Xylene <1 ppb, tested at 200ppb, H2O <2 % of reading, tested at 2% H2O absolute
Operational Temperature : 5° C- 40° C (20° C-30° C with EPA designation )
Power Requirements : 100 vac. 115 vac, 220-240 vac +/- 10% @ 300W
Size and Weight : 16.75' W x 8.62 H x 23' D, 55lbs / 425mm W x 219 H x 584mm D, 25kg
Outputs : Selectrable voltage, RS232/ RS485, TCP/IP, 10 status relays, and power fail indication (standard)
 0-20 or 4-20 mA isolated current output (optional)
Inputs : 16 digital inputs (standard)
 8 0-10vdc analog inputs (optional)t

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