Hanna Instruments HI 504 - Manual (Page 6)

11 10
Alarm Relay Electromechanical Relay SPDT contact output,
5A - 250 VAC, 5A - 30 VDC (resistive load)
Fuse protected: 5A, 250V Quick Blow Fuse
Analog Output • 2 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 ºC; max 85% RH non-condensing
Casing IP20 (housing); IP54 (front panel)
Enclosure single case ½ DIN
Weight approximately 1.6 kg (3.5 lb.)
MECHANICAL DIMENSIONS
FRONT VIEW SIDE VIEW
SPECIFICATIONS
Range -2.00 to 16.00 pH
-2000 to 2000 mV
-30 to 130.0 ºC
Resolution 0.01 pH
1 mV
0.1 ºC above -10 ºC; 1 ºC below
Accuracy ±0.02 pH
(@20°C/68°F) ±2 mV
±0.5 ºC (-9.9 to 130.0 ºC); ±1 ºC (-30 to -10 ºC)
Typical EMC Deviation ±0.2 pH
±10 mV
±0.5 ºC
Digital Input for RS485
the pH/ORP/°C Transmitter
Other Digital Insulated Inputs • 2 digital insulated inputs: 1 for hold and 1 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 from -30 to 130 ºC
Temperature probe With 3-wire or 2-wire Pt100/Pt1000 sensor
(with automatic recognition and damage test)
Installation Category II
Power Supply 24 Vdc/ac
(depending on model) 230 Vac, 115 Vac 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