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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

Oxygen Scavenger Analyzer

9586 sc

Oxygen Scavenger Analyzer


Applications: Pure Water/Power, Industrial Water.

An integral part of the most complete water analytics system for the Power industry. Hach provides a broad range of product options designed to work together into flexible solutions to meet your unique needs. Hach’s comprehensive approach saves you time on design, installation, training, maintenance, and operation.

  • Save time on design
  • Accelerate your installation
  • Reduce training complexity
  • Simplify maintenance and operation


Altitude:< 2000 m
Analog Outputs:Two (Five with optional expansion module) 0/4 to 20 mA isolated current outputs, max. 550 Ω, Accuracy: ±0.1% of FS (20 mA) at 25 °C, ±0.5% of FS over -20 °C to 60 °C range
Analogue Output Functional Mode:Linear, Logarithmic, Bi-linear, PID
Calibration Method:a) Zero: electrically, with hydrazine-free water or with optional zero cartridge
b) Slope: using a laboratory reference value (e.g. LCW025)
Communication:MODBUS RS232/RS485, PROFIBUS DPV1, HART optional
Communication Capabilities:Modbus RS232/RS485
Conduit Openings:1/2 " NPT Conduit
Connection Drain Line:1/4" OD Tubing
Connections:3/8" OD Tubing (Tubing must not exceed 4 feet and must drain straight down)
Dimensions Metric (H x W X D):817 mm x 300 mm x 228 mm
Display:Graphic dot matrix LCD with LED backlighting, transreflective
Display Resolution:240 x 160 pixels
Display Size:48 x 68 mm
Electrical Certifications:EMC
CE compliant for conducted and radiated emissions:
- CISPR 11 (Class A limits)
- EMC Immunity EN 61326-1 (Industrial limits)
CAN/CSA C22.2 No. 61010-1 
cETLus safety mark for:
- General Locations per ANSI/UL 61010-1 & CAN/CSA C22.2. No. 61010-1
Enclosure Rating:NEMA 4X/IP66
Flow:166 to 250 mL/min (10 to 15 L/h) recommended
Lower Limit of Detection (LOD):Drift is Negligible; 1 ppb
Maintenance Interval:Monthly: Calibration and reagent refill
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:Counter-Electrode: Stainless steel; Working Electrode: Platinum
Material Enclosures:Polycarbonate
Aluminium (powder coated)
Stainless Steel
Number of Channels:1
Operating Temperature Range:5 to 45 °C at 0 to 95% RH (non-condensing)
Power Requirements (Hz):50 - 60 Hz
Power Requirements (Voltage):100 - 240 VAC
Pressure Range:0.5 to 6 bar (7.2-87 psi) or 12 L/h
Range:0 to 500 ppb hydrazine; programmable
Range 2:0 to 100 ppb carbohydrazide; programmable
Reagent:Sample conditioning with diisopropylamine, ammonia, or diethylamine
Reference Type:Ag/AgCl electrode with electrolyte KCl 0.1 M
Relative Humidity:10 to 90 % Relative Humidity (Non-Condensing)
Relay: Operational Mode:Primary or secondary measurement, calculated value (dual channel only) or timer/scheduler
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
Repeatability:± 2 % or 1 ppb whichever is greater
Response Time T90:< 60 s
Sample Requirements:Sample needs to be free of undissolved matter.
Sample Temperature:5 to 45 °C
Security Levels:2
Storage Conditions:-20 °C to 70 °C
Temperature Compensation:5 to 45 °C
Warranty:1 year
Weight:32.15 lbs. (14.5824 kg)


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