HI-9931-2 Wall Mounted EC Controller with Proportional Function

৳ 77,000

HI-9931 is a wall mounted meter that measures and controls conductivity in the 0 to 10 mS/cm range. A single set point allows for proportional dosage of fertiliser solutions.

Description

Range 0.00 to 10.00 mS/cm
Resolution 0.01 mS/cm
Accuracy ±2% F.S.
Calibration manual, 2 point, with zero and slope trimmers on the front panel
Setpoint selectable from 0.00 to 10.00 mS/cm
Temperature Compensation Automatic, 0 to 50°C (32 to 1226°F) with ß=2%/°C
Recorder Output selectable at 0-20 mA or 4-20 mA (isolated)
Proportional Control adjustable from 0.0 to 1.6 mS/cm, time cycle from 0 to 90 seconds
Dosing Contact 1 powered terminal for EC correction (240 V, Max 2A, 1,000,000 strokes)
activated when reading < setpoint
Alarm Relay 1, activity when EC varies more than selectable value (0.5 to 2.5 mS/cm) from setpoint
or when max dosage time for pH (adjustable from 1 to 10 minutes) elapses;
(isolated, Max 2A-240 V, resistive load, 1,000,000 strokes)
Power Supply 110/115 Vac ±10% or 220/240 Vac ±10%; 50/60 Hz
Environment -10 to 50° (14 to 122°F); RH max 95% non-condensing
Dimensions 221 x 181 x 86 mm (8.7 x 7.1 x 3.4″)
Weight 1.6 kg (3.5 lb.)

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