BL983314-1 Resistivity Mini Controller, 0.00 to 19.90 MΩ/cm – 230V
Product code: MX-11256
Easy to handle Fire retardant casing Selectable overdose protection system Splash resistant cover BL 983314 is a simple to operate resistivity controller designed for ultra pure water, reverse osmosis, and water conditioning applications.
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Product description
Readings are automatically temperature compensated, with three different coefficients (?=2.4, 3.5 or 4.5 %/°C). The alarm contact can be used for connection to an alarm, pump, solenoid or dosing system. The relay contact is open when readings are higher than the setpoint, while for measurements lower than setpoint, the relay contact is closed. The hysteresis is typically 0.20 M?•cm from the setpoint. Measurements are displayed on the LCD and the multi-colored LED continuously indicates if the controller is in measurement, dosing, or alarm mode. Users can choose automatic or manual dosing mode with a switch on the front panel. Manual control is particularly useful during maintenance operations, because it permits operators to enable or disable the dosing relay according to need.
Specifications
| Range | 0.00 to 19.90 MΩ/cm |
|---|---|
| Resolution | 0.10 MΩ/cm |
| Accuracy @ 25°C | ±2% F.S. |
| Probe | HI 3314 resistivity probe with 2 m (6.6’) cable (included) |
| Temperature Compensation | Automatic and linear, 5 to 50°C (41 to 122°F) |
| Temperature Coefficient | ß=2.4; 3.5; 4.5%/°C selectable through jumper on the rear panel |
| Calibration | factory calibrated |
| Dosing Relay | maximum 2A (fuse protected), 250 Vac, 30 Vdc contact close when measure < set point |
| Setpoint | adjustable from 0 to 19.90 MΩ/cm |
| Overtime | adjustable, typically from 5 to approx. 30 minutes |
| Power Supply | See Chart |
| Dimensions | 79 x 49 x 95 mm (3.1 x 1.9 x 3.7’’) |
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