980 1/4 DIN digital
Dual beam photometer
The Model 980 is microprocessor based and used with either a Model AF21 or AF22 online sensor to measure color and concentration of process liquids in the visible region of the electromagnetic spectrum
- Measures color absorbance up to 5 AU/OD, or Hazen, APHA, ASTM, EBC, Pt-Co or Saybolt color units
- 4 X 20 character alphanumeric display and 6 button input for simple navigation
- Two 4-20mA analog outputs
- User-friendly menu based calibration: liquid free calibration using the EasyCal™ system and wet calibration using prepared liquid standardswo 4-20mA analog outputs
- Four configurable digital inputs and three optically isolated digital outputs can be connected to a PLC for inclusion in a control scheme
- Built-in diagnostics to report any system errors or alarms, including sensor failures, open cable and internal processor exceptions
- Baseline and baseline shift functions allow operator to manually set artificial zero point
- Advanced log amp provides improved response characteristics
- Front panel environmental protection level is rated at NEMA 4/IP65 - optional NEMA 4/IP65 field mount enclosures available
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