Multi Sensor Validation System ( Dual , Triple)

Summary

Product Identification

This document describes Evoqua's WALLACE & TIERNAN® MULTI SENSOR VALIDATION SYSTEMS, specifically the Triple Validation Monitor and Dual Validation Monitor, which can be used with DEPOLOX® analysers for chlorine residual and turbidity measurements.

Key Benefits

• Improve confidence in water quality
• Minimise chances of out-of-specification water
• Improved security and validity of readings
• High reliability of readings
• Increased confidence in analysers
• Reduced response priority to problems
• Proof of diligence to regulators

Technical Specification

Triple Validation Monitor

Power Supply

• Voltage Range: 100-240V AC (auto sensing), 24Vdc as a special option
• Frequency Range: 50-60Hz
• Power: 30 VA
• Fuse: 2A internal (Non-replaceable)

Digital Input

• 7 x volt free: 24V DC @ 4mA nom. (internal supply)
• Optical Isolation

Digital Output

• 6 x relay: SPST, volt free
  • 24V @ 30W dc Max
  • 250V @ 200W ac Max
• Watchdog Output: SP NC relay contact

Analogue Input

• 3 x Scaled range 4-20mA
• Resolution: 14 bit Unipolar (5µA)
• Input impedance: 250 Ω
• Isolation: All analogue signals isolated using discreet multi-way signal isolators (see Note 1)

Analogue Output

• 2 x Scaled range 4-20mA
• Resolution: 14 bit Unipolar (5µA)
• Max. load impedance: 600 Ω
• Isolation: All analogue signals isolated using discreet multi-way signal isolators (see Note 1)

Re-transmission Output

• 3 x Scaled range 4-20mA
• Error < 0.1% of end value
• Max. load impedance: 600 Ω
• Isolation: All analogue signals isolated using discreet multi-way signal isolators (see Note 1)

Enclosure

• Environmental: IP65 (door closed)
• Operating temperature: 0 - 40°C (90% non-condensing)
• Storage temperature: -20 to +70°C
• Mounting: Wall mounted painted steel enclosure, Landscape

Physical

• Dimensions: 300 x 400 x 150mm (h x w x d)
• Weight: 8kg

Dual Validation Monitor

Power Supply

• Voltage Range: 100-250V AC (auto sensing), 24Vdc as a special option
• Frequency Range: 50-60Hz
• Power: 30 VA
• Fuse: 2A internal (Non-replaceable)

Digital Input

• 2 x volt free: 24V DC @ 4mA nom. (internal supply)
• Optical Isolation

Digital Output

• 4 x relay: SPST, volt free
  • 24V @ 30W dc Max
  • 250V @ 200W ac Max
• Watchdog Output: SP NC relay contact

Analogue Input

• 2 x Scaled range 4-20mA
• Resolution: 14 bit Unipolar (5µA)
• Input impedance: 250 Ω
• No Isolation

Analogue Output

• 1 x Scaled range 4-20mA
• Resolution: 14 bit Unipolar (5µA)
• Max. load impedance: 600 Ω
• No Isolation

Enclosure

• Environmental: IP65 (door closed)
• Operating temperature: 0 - 40°C (90% non-condensing)
• Storage temperature: -20 to +70°C
• Mounting: Wall mounted plastic enclosure, Landscape

Physical

• Dimensions: 260 x 350 x 250mm (h x w x d)
• Weight: 5kg

Note 1 All analogue signals to and from the Validation Monitor are isolated using discreet multi-way signal isolators.

Disclaimer: This extraction may miss figures, footnotes, or revisions. Contractual data must match the OEM PDF revision used on the project.

Official datasheet (PDF)

Lenntech datasheet mirror