<div>ORP Range: ORCN-37 ±2 Vdc; OPCN-37 ±620 mV</div><div>Resolution: 0.1, 1 mV </div><div>Accuracy: ±0.1 mV @ 25°C </div><div>Decimal Point: 2 position auto ranging </div><div>pH Range: 0 to 14.00 pH (620 mV to -620mV); 0 to 100°C. </div><div>Resolution: 0.01 pH, 0.1°C </div><div>Calibration pH: 2 or 3 point </div><div>Accuracy: ±0.01 pH; ±0.5 C </div><div>Display: 4-digit, LED, 13.7 mm (0.54") </div><div>Relays: dual SPDT (form C) 5 A at 240 Vac, mechanical relay. Programmable deadband hysteresis around setpoints.</div><div>Output: 4 to 20 mA, 0 to 20 mA or 0 to 10 V &amp