Teledyne’s 6700U leverages ultraviolet absorption (UVA) detection to measure for certain dissolved organic substances in water treatment and wastewater applications. Absorption of UV light at the 254 nm band is an indication of the presence of disinfection byproducts (DBPs), tri-halo methanes (TTHM) and halo-acetic acids (HAA). The 6700U provides an on-line measurement without reagents and utility gases required.
- Brand
- FEATURES
- SPECIFICATIONS
Brand
Teledyne Analytical TAI Liquid
FEATURES
- Available measurements of COD (eq), DOC (uv), TOC (eq), BOD (eq), Abs254, SAC254, COD (UV), TOC (UV), BOD (UV), SAK254 (mg/l, cm-1, m-1, AU, mA.U.)
- One or two parameter analysis available
- Single or dual sequenced stream monitoring
- Optical path lengths of 22mm, 12mm, 6mm or 2mm available
- Analysis range from 0.05 to thousands of mg/L using internal dilution module
- Dual-compartment IP-65 powder-coated steel enclosure
- Long-life pulsed source xenon flash lamp minimizes maintenance
- Level switch with fast loop reservoir provides sample flow verification and alarms with low sample levels
- Auto-clean, auto-calibration or auto-blank functions as standard
- 3.8-inch touchscreen
- 2 x 4-20 mA outputs
- 4 x SPDT alarm contacts
- RS-485 MODBUS-RTU communications
- Integral data-logger with USB port for download
SPECIFICATIONS
| Measurement Principle | UV 254 absorption measurement |
| Range | 22 mm cell: 0.01-50 m-1 SAC, 0.15-100 mg/L COD (eq), 0.06-40 mg/L TOC (eq), 0-05-30 mg/L BOD (eq) 12 mm cell: 0.05-100 m-1 SAC, 0.5-200 mg/L COD (eq), 0.2-80 mg/L TOC (eq), 0.2-65 mg/L BOD (eq) 6 mm cell: 0.1-250 m-1 SAC, 0.75-370 mg/L COD (eq), 0.3-150 mg/L TOC (eq), 0.25-120 mg/L BOD (eq) 2 mm cell: 1.5-700 m-1 SAC, 2.5-1000 mg/L COD (eq), 1-410 mg/L TOC (eq), 0.8-300 mg/L BOD (eq) Higher ranges are available using sample dilution option |
| Repeatability | 22 mm cell: ± 0.15 mg/L C 12 mm cell: ± 0.5 mg/L C 6 mm cell: ± 0.75 mg/L C 2 mm cell: ± 2.5 mg/L C |
| Cycle Time | About 1 minute, including conditioning before analysis cycle and rinsing after measuring |
| Temperature | Operating: 41° to 113°F (5° to 45°C) Sample: 41° to 122°F (5° to 50°C) |
| Sample Connections | Inlet: 1/4″ tube fitting Outlet: 1/2″ tube fitting (neoprene) |
| Outputs | 2 x 4-20 mA outputs for measured data RS-485 MODBUS-RTU 4 SPDT programmable alarms, potential free relays, N.O. or N.C. |
| Dimensions | 23.6″H x 15.0″W x 8.2″D (60.6 x 38.0 x 20.9 cm) Approximately 44 lbs (20 kg) |
| Power | Voltage: 100-240 VAC 50/60 Hz standard or 24 VDC (option) Power Consumption: 80 VA max |
| Protection Class | IP-65 |
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