720 Series II :pH/ORP Monitor/controller - 2 Pages

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720 Series II :pH/ORP Monitor/controller

Catalog excerpts

pH & ORP MONITOR /CONTROLLERS720 Series II 72011 pH w/LCD shown with P72F Sensor — sold separately. BENEFITS: • Affordable • Ease of Operation • Low Maintenance • Ensures Product Quality APPLICATIONS: • Process Control • Reverse Osmosis • Seawater Desalination • Waste Treatment • Food Processing • Plating • Power Plants • Laboratories • Printing • Paper and Pulp • Boilers & Cooling Towers • Potable Water • Waste Water Treatment • Swimming Pools & Spas • Bleach Manufacturing • Reduction of Chromate Waste • Environmental FEATURES: • pH 0-14 or ORP ±2000 mV • Choice of 3% digit display or analog meter • Advanced “Isolated” circuitry • Automatic temperature compensation to 25°C (NERNST equation) • Isolated 0-10 VDC Recorder Output standard • IP65/NEMA 4X water resistant and corrosion-proof enclosure • Built-in electronic calibration • Single set point/alarm standard • Adjustable set point hysteresis • Solid State 24 VDC Output • 10 amp relay operates on choice of increasing or decreasing reading • Push-to-test set point check • Internal set point discourages unauthorized adjustment • Selectable 115/230 VAC • Unique, easily installed sensors • Heavy duty “F” model sensors may be installed in ANY direction including inverted Options include: • Second Alarm/control Module • 4-20 mA Isolated Output • Piezo Electric Alarm • 3% Digit Backlit Display • Temperature Module • 24 VAC Isolated Power Supply The advanced “isolated” circuitry of the 720 Series II pH/ORP Monitor/ controllers guarantees accurate and reliable measurements — completely eliminating ground-loop and noise issues. The unique sensor preamp allows for longer distances between the sensor and the Monitor/controller without the loss of accuracy or reliability. All Myron L Monitor/controllers feature a highly refined and precise Temperature Compensation circuit. This feature perfectly matches the NERNST equation correcting the displayed reading to 25°C. The TC may be disabled to conform with USP requirements. Built-in electronic calibration allows for fast quality checks without buffers. (Note: for maximum system accuracy buffers are recommended). A push-to-test button makes set point checks easy, while the internal alarm set discourages unauthorized adjustments. Standard on all controller models is a heavy-duty 10 amp output relay, operating on either increasing or decreasing readings. Bright green/red LEDs indicate above/below set point readings. All 720 Series II models feature an IP65/ NEMA 4X water resistant and corrosion-proof rated enclosure. Compact in size, at 152 x 122 mm/6 x 4.8 in., the 720 Series II models are suitable for panel, bench or surface mounting. Additional options include a Remote Alarm™ model RA. CUSTOM & OEM MODELS AVAILABLE MYROINI L® COMPANY. Water Quality Instrumentation 

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Display    Analog Models: 2.5 in./63 mm meter Digital Models: .5 in./13 mm 3% Digit LCD Optional:    3% Digit Backlit Linearity    Electronics:    ±0.05% (±0.01 pH units/±1 mV of full scale) Digital Display: ±0.01 pH units/±1 mV Sensitivity    0.05% of full scale (0.01 pH units/1.0 mV) Calibration Check Built-in (7 and 0 pH / 0 and -2000 mV) Recorder Output Isolated 0-10 VDC @ 5 mA max. (linear); standard all models Output Impedance 100Q ±5% Sensor Inputs    1; 3 input option available. (pH & ORP sensors may NOT be mixed). Control Function Single Alarm/controller fully adjustable 0-100% of...

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