HANNA HI 720224-2 数字电导率控制器（双设定点，开/关和PID控制，双模拟输出）

-Power Supply: 230 VAC ±10%; 50/60 Hz; 10 VA

- Range:

+Conductivity: 0 to 2000 mS/cm( autoranging)

+Temperature: -30 to 130°C

- Resolution:

+Conductivity: 1 µS/cm (0 to 1999 µS/cm); 0.01 mS/cm (2.00 to 19.99 mS/cm); 0.1 mS/cm (20.0 to 199.9 mS/cm); 1 mS/cm (200 to 2000 mS/cm)

+Temperature: 0.1 °C

-Accuracy @ 20°C:

                +Conductivity: ±2% f.s

+Temperature: ±0.5°C

-Temperature Compensation: automatic or manual, -30 to 130°C

-Temperature Probe: three-wire or two-wire Pt100 or Pt1000 sensor with automatic recognition and damage test

- Digital Input: digital transmitter, hold and advanced cleaning inputs

- Digital Output: one digital insulated contact closed upon hold mode

- Analog Output: one or two independent outputs; 0-22 mA (configuring as 0-20 mA or 4-20 mA)

- Digital Serial Output: RS485

- Dosing Relay: 1, 2, 3 or 4 electromechanical relays SPDT; 5A-250 VAC, 5A-30 VDC (resistive load); fuse protected: 5A, 250 V fuse

- Alarm Relay: 1 electromechanical relay SPDT; 5A-250 VAC, 5A-30 VDC (resistive load); fuse protected: 5A, 250 V fuse

- Max Oscillation Frequency: 8 MHz

- Environment: 0 to 50°C (32 to 122°F); RH max 85% non-condensing

- Weight: 1.6 kg (3.5 lb.)

 

- HANNA HI 720224-2 is supplied complete with mounting brackets and instructions.**Probe is sold separately