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Hydrazine Analyzer Aqualyzer® 9071
AQUALYZER® 9001 SERIES
AQUALYZER® 9001 SERIES
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The Waltron Aqualyzer® 9071 Hydrazine Analyzer is the most advanced hydrazine instrument specifically developed for use in continuous measurement and determination of hydrazine concentration in boiler feedwater. Common Hydrazine Analyzer application points in a boiler system for online hydrazine measurement include:deaerator, condensate system and boiler feedwater. The Aqualyzer® 9071 Hydrazine Analyzer operates automatically and comes complete with true fully automatic calibration. Please contact us
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| FEATURES | BENEFITS | |
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| Wide analysis range: 0.01ppb – 1ppm | Low reagent and standard consumption | |
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| True fully automatic 1-point calibration | Minimal maintenance required | |
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| Low maintenance: autonomous instrument for up to two months | Automatic operation | |
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| Grab sample capability | ||
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| No change of diffusion tubing | ||
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| Automatic range selection | ||
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| Process calibration – calibrate to sample | ||
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| Two 4-20 mA isolated current outputs | ||
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| Protection of sensor from “Hot Sample” | ||
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| Automatic temperature compensation | ||
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| Automatically stores last 10 calibrations and alarm logs | ||
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| Rechargeable hydrazine cell | ||
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Aqualyzer® 9071 Sensor Unit |
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| GENERAL SPECIFICATIONS | ||
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| Performance | ||
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| Range | 0 - 1000ppb (1ppm) | |
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| Accuracy | ±5% of reading or ±2ppb, whichever is greater for concentrations up to 500ppb. 10% or better for concentrations above 500ppb | |
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| Stability | ± 5% of reading or ± 2ppb per week, whichever is greater | |
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| Response Time | 90% of a step change in less than 3 minutes |
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| Temperature Compensation | Automatic, reduces sample temperature error to less than 0.5% of reading per degree C | |
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pH Compensation |
Buffer continuously induced into sample flow – Ammonium Hydroxide 0.88 SG (35% WN) |
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| Calibration | Manual and fully automatic calibration. Automatic with programmable frequency in days. Manual initiated by operator.No manual changes of standard during calibration. |
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| Current Outputs | Three isolated 4-20mA current (analog) outputs | |
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| Digital Outputs | Communication interface via RS-232 & RS-485 using MODBUS RTU protocol | |
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| Alarms | Three voltage-free contacts,alarm points set from transmitter rated at 2A, 250VAC (non-inductive) |
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| Power | Wide range of input power supply 90VAC – 250VAC | |
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| CE Certification (on request) | Meets low voltage and low electromagnetic compatibility directives |
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| Operating Conditions | ||
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| Sample | Temperature: 41 – 131° F (5 – 55° C); Flow 150 – 400 ml/min | |
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| Ambient Temperature | 32 – 131° F (0 – 55° C) | |
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| Pressure | 5–30 psig (0.35 – 2.07 bar) | |
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| Composition | Sample should be filtered to 60 microns, free of film forming compounds | |
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| Mechanical | ||
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| Construction | Transmitter – high strength ABS, IP65 (NEMA 4x) Wet section – high strength ABS and sheet metal, all wetted parts stainless steel or PVC, IP55 (NEMA 4) |
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| Dimensions | Height = 31” (78.74 cm) including drain, Width = 22” (55.88 cm), Depth = 8.5” (21.59 cm) | |
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| Mounting | Four key-style holes: Height = 0.86” (2.18 cm), Top Width = 0.281” (0.714 cm), Radius = 0.28” (0.711 cm) Horizontal: 14.7” (37.34 cm), Vertical: 11” (27.94 cm) | |
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| Weight | 40 lbs. (18.14 kg) | |
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| Wiring | Eight (8) conduit knockouts | |
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| Piping | Sample inlet:1/4"(0.635 cm) OD Swagelokt®, Drain: 3/8" (0.953 cm) OD tube |
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| Distance | Up to 325 feet (100 meters) on request | |
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| Finish | Corrosion resistant | |
