HANNA HI504214-2 pH / ORP数字控制器，带Tele-Control™和Sensor Check™，双设定点，开/关控制，双模拟输出

Specifications
Range pH -2.00 to 16.00 pH
ORP -2000 to 2000 mV
Temperature -30 to 130.0°C
Resolution pH 0.01 pH
ORP 1 mV
Temperature 0.1°C (above -10 °C); 1°C (below -10°C)
Accuracy @ 20°C pH ±0.02 pH
ORP ±2 mV
Temperature ±0.5°C (-9.9 to 130.0°C); ±1°C (-30 to -10°C)
Input Impedance:10^12 Ohm
Digital Input for the pH/ORP/°C Transmitter:RS485
Other Digital Insulated Inputs two digital insulated inputs: one for hold and one for the advanced cleaning; ON state: 5 to 24 VDC
Digital Insulated Output a digital insulated contact closed upon hold mode
Temperature Compensation automatic or manual, -30 to 130°C
Temperature Probe with three-wire or two-wire Pt100/Pt1000 sensor (with automatic recognition and damage test)
Power Supply 24 VDC/AC, 115 VAC ±10%, 230 VAC ±10% or 100 VAC ±10%; 50/60 Hz
Power Consumption 10 VA
Over Current Protection 400 mA 250V quick blow fuse
Max. Oscillation
Frequency 8 MHz
Relays 1, 2, 3, 4 electromechanical relay SPDT contact outputs, 5A-250 VAC, 5A - 30 VDC (resistive load); fuse protected: 5A, 250V quick blow fuse
Alarm Relay electromechanical relay SPDT contact output, 5A - 250 VAC, 5A - 30 VDC (resistive load) fuse protected: 5A, 250V quick blow fuse
Analog Output two independent outputs, 0 - 22 mA (configuring as 0-20 mA or 4-20 mA)
Analog Output Resolution 0.1% f.s.
Analog Output Accuracy ± 2% f.s.
Data Logging 6000 pH/°C or ORP samples
Environment 0 to 50°C?(32 to 122°F); RH max 85% non-condensing
Casing IP20 (housing); IP54 (front panel)
Weight 1.6 kg (3.5 lb.)
Optional Accessories
HI 92500 Windows® Compatible Software for Micro-processor-based Process Controllers
Probes HI 7610 Stainless Steel Temperature Probe, Pt100 Sensor