ANATEL A643, Operator'S Manual, Page: 192 / 222

192 of 220 Specifications and Accessories - Anatel A643a
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Operator Manual
Anatel
Note:
‡ Repeatability of reading from instrument-to-instrument
PHYSICAL
Conductivity (Purge) Mode
Conductivity Mode: Temperature Compensated to 25 °C or Uncompensated
Conductivity Range: 0.05 to 150 µS/cm (@ 25 °C)
Display Resolution: 0.01 µS/cm
Resistivity Range: 0.01 to 18 M.-cm (@ 25 °C)
Display Resolution: 0.1 to 14.9 M.-cm,
1.0 M.-cm from 15 to 18 M.-cm
Conductivity Accuracy‡: 2% over Full range
(Uncompensated)
Calibration & Validation
TOC
Up to Four-Point Calibration: 0 ppb C (blank), 250 ppb C,
500 ppb C, 750 ppb C (all sucrose)
One- to Three-Point Validation: 250 ppb C, 500 ppb C,
750 ppb C (sucrose)
System Suitability: 500 ppb C (sucrose),
500 ppb C (1-4,benzoquinone) Reagent Blank
Conductivity
One-Point Calibration, Cell Constant: 100 µS/cm solution
One-Point Validation of Meter: 61.9 K. resistor
General
Installation Category: II, IEC 1010
Pollution Degree: 2, IEC 664
A-Net Network Capacities
Type: RS-485
Maximum Sensors: 8
Maximum C80 Controllers (any configuration): 8
Maximum Network Length: 1 km (3,000 ft)
Network Cabling: Shielded Twin-axial, Twist-Lock BNC