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Specifications and Model Number
7/99 9782 Series Conductivity/Resistivity Analyzer/Controller - Operator’s Manual
2-3
Wide range models
Wide Display Ranges: 9782C-W0
Conductivity (microsiemens/cm) TDS Cell Constant Required (cm-1)
100-1,999 0-1,999 ppm 0.1
1000-19,990 0-19,990 ppm 1
Conductivity (millisiemens/cm)
10-199.9 0-199.9 ppt 10
10-500 —25
20-1,000 — 50
Concentration
0-18.00% Hydrochloric Acid* 50**
0-19.99% Sulfuric Acid 50**
0-19.99% Sodium Hydroxide* 25** ro 50
0-19.99% Sodium Chloride 25** or 50
* The maximum concentration measurable by conductivity depends on temperature. Maximum
for sodium hydroxide allowed by the 9782 Analyzer is 10% at 0º C, 13% at 25º C and 20% at
75º C with linear interpolation between these points. The maximum concentration for
hydrochloric acid is 15.5% above 40º C.
** Measurements in the lower half of the concentration ranges and below 50º C may also use
the next lower available cell constant.
2.1.6 Operating Conditions
Operating Conditions
Ambient Temperature: Normal 0 to 60 °C (32 to 140 °F), extreme -10 to +60 °C (14 to 140 °F);
storage -30 to +70°C (-22 to 158 °F).
Line Voltage: Normal 120 +/- 10% Vac (extreme 100 to 132 Vac, 47 to 63 Hz)
Normal 240 +/- 10% Vac (extreme 200 to 264 Vac, 50 to 60 Hz)
RH: 90% maximum non-condensing @ 40°C (104 °F) max.
Installation Category: II
Pollution Degree: 2
Altitude: <20,000 M (6562 ft)