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HACH COMPANY was established in 1947, in Ames, Iowa, USA. For more than 60 years, Hach has been the world market leader for Analytical Instrumentation for Complete Water Analysis, providing solutions for lab, process and field.

In 2002, GLI, a leading US manufacturer of process electro-chemistry analytical instruments, became part of the Hach Company family.

Water analysis has to be right. Our customers deserve complete, reliable solutions that they can be fully  confident in. Hach is your answer. We make water analysis simpler

Multi-Parameter Universal Digital & Analogue Controller


Multi-Parameter Universal Digital & Analogue Controller


The sc200 Universal Controller is the most versatile controller on the market. It allows the use of digital and analog sensors, either alone or in combination, to provide compatibility with the broadest range of sensors. It replaces the Hach sc100 digital and GLI53 analog controllers with advanced features for easier operator use. The sc200 controller can be configured to operate two digital sensor inputs, two analog sensor inputs, or a combination of one digital and one analog input. Customers may add communication modules for a variety of protocols including MODBUS RTU, Profibus DPV1, and HART.

  • Maximum Versatility
  • Ease of Use
  • Confidence in Results
  • One Controller, Numerous Communication Options
  • Broadest Range of Sensors


Analog Outputs:Two (Five with optional expansion module) isolated current outputs, max 550 Ω. Optional 4 addition 4/20 insolated current outputs, max 550 Ω
Analogue Output Functional Mode:Linear, Logarithmic, Bi-linear, PID
Communication:MODBUS RS232/RS485, PROFIBUS DPV1, or HART 7.2 optional
Communication Capabilities:2x 4-20mA Out
Dimensions Metric (H x W X D):144 mm x 144 mm x 181 mm
Display:Graphic dot matrix LCD with LED backlighting
Display Resolution:240 x 160 pixels
Display Size:1.9 x 2.7 in. (48 mm x 68 mm)
Electrical Certifications:EMC - Certified CE compliant for conducted and radiated emissions (EN 50081-2) and immunity (EN 61000-6-2), General purpose - UL through ETL, Class I, Div. 2 (Groups. A, B, C, and D) - CSA (pending)
Enclosure Rating:NEMA 4X/IP66
Length:7.1 in ( 181 mm )
Manual Languages:Bulgarian, Chinese (PRC), Croatian, Czech, Danish, Dutch, English, Estonian, Finnish, French, German, Greek, Hungarian, Italian, Japanese, Korean, Lithuanian, Polish, Portuguese (Brazil), Portuguese (Portugal), Romanian, Russian, Slovak, Slovenian, Spanish, Swedish, Thai, Turkish
Material Enclosures:Polycarbonate, Aluminium (powder coated), Stainless Steel
Memory Backup:Flash memory
Mounting Configurations:Wall, Pole, Panel Mounting
Operating Temperature Range:-20 to 60 °C at 0 to 95% RH (non-condensing)
Power Requirements (Hz):50 - 60 Hz
Power Requirements (Voltage):100 - 240 VAC
Relay: Operational Mode:Primary of secondary measurement, calculated value or timer
Relay Functions:Scheduler (Timer), Alarm, Feeder Control, Event Control, Pulse Width Modulation, Frequency Control, and Warning
Relays:Four electromechanical SPDT (Form C) contacts, 1200 W, 5 A
Sensor Input #1:Digital
Sensor Input #2:Digital
Storage Conditions:-20 °C to 70 °C
Temperature Range:-20 to 70 °C, 0 to 95% RH non-condensing
Weight:3.75 lbs. (1.7 kg)


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