Hanna-instruments HI 23 Manual de usuario descargar pdf (Pagina 6)

1110

INSTALLATION

HI 23 and HI 24 series offer a multitude of possibilities,

from dual setpoints to ON/OFF or PID dosage, isolated out-

puts with user-selectable zoom, recorder outputs in mA and

volts.

Use the 3-wire Pt 100 temperature sensor to compensate for

the cable resistance and have a precise automatic tempera-

ture compensation of the measurements in long distance

applications.

See the below diagram for a recommended installation.

Note All external cables to be connected to the right panel should

end with cable lugs.

Use wires with cable lugs when connecting to the strip con-

tacts.

Always disconnect the power cord when wiring the controller.

CONDUCTIVITY

PROBE

* Note: actual TDS range for HI 24 series depends on TDS factor set.

SPECIFICATIONS

Range 0.0 to 199.9 µS/cm, 0 to 1999 µS/cm

0.00 to 19.99 mS/cm, 0.0 to 199.9 mS/cm

0.0 to 100.0 ppm, 0 to 1000 ppm (HI 24 series only)*

0.00 to 10.00 ppt, 0.0 to 100.0 ppt (HI 24 series only)*

-10.0 to 100.0 °C

Resolution 0.1 µS/cm, 1 µS/cm, 0.01 mS/cm, 0.1 mS/cm

0.1 ppm, 1 ppm, 0.01 ppt, 0.1 ppt (HI 24 series only)

0.1 °C

Accuracy ±0.5 % full scale (EC and TDS)

(@20°C/68°F) ±0.5°C between 0 to 70°C, ±1°C outside

Temperature Automatic or manual, -10 to 100°C

Compensation with β adjustable from 0.00 to 10.00%/°C

Typical EMC Deviation ±2 % full scale (EC and TDS) / ±0.5 °C

Installation Category II

Probe 4-ring conductivity probe with built-in 3-wire Pt100

temperature sensor or conductivity probe + external Pt100

(see “Accessories” section)

Analog Input 4 - 20 mA

Analog Output 0-10 Vdc, 0-5 Vdc or 1-5 Vdc; 0-1mA, 0-20 mA or 4-20mA

RS485 baud rate 1200, 2400, 4800 and 9600

Power Supply 230 ±10% VAC or 115 ±10% VAC, 50/60 Hz

Power Consumption 15 VA

Over Current Protection 400 mA 250 V fast fuse

Relays 1, 2 and Contact outputs SPDT, 5A-250 VAC, 5A-30 VDC (resistive load)

Alarm Relay Fuse protected: 5A, 250V fuse

Environment 0-50 °C; RH max 85% non-condensing

Case Material Fiber-reinforced, self-extinguishing ABS

Protection IP 54

Dimensions 221 x 181 x 86 mm (8.7 x 7.1 x 3.4”)

Weight 1.6 kg (3.5 lb.)

1 2 3 4 5 6 7 8 9 10 11 ... 30 31

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Hanna-instruments HI 23 Manual de usuario Pagina 6

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