For DO solutions, see page 6.37 Specifications HI8410 Range 0.0 to 50.0 mg/L (ppm) O₂; 0 to 600 % O₂; -5.0 to 50.0°C Resolution 0.1 mg/L (ppm) or 1% (O₂) / 0.1°C Accuracy (@25°C/77°F) ±1% of reading (O₂) / ±0.2°C Calibration manual, one point, in saturated air Temp. Compensation automatic, from -5 to 50°C (23 to 122 °F) Salinity Compensation 0 to 51 g/L (resolution 1 g/L) Probe (not included) HI76410/4 with 4 m (13.1’) cable or HI76410/10 with 10 m (32.8’) cable Recorder Output 0 to 20 mA or 4 to 20 mA (isolated) Set point and Alarm Relay 1, isolated, 2A, max. 240V, resistive load, 1,000,000 strokes Set point Range 5 to 600 % O₂; 0.5 to 50.0 mg/L (ppm) O₂ Alarm Range 0.5 to 5.0 mg/L (ppm) O₂ Hysteresis Range 0.5 to 2.4 mg/L (ppm) O₂ Dosing Control OFF/AUTO/ON with selection switch Over Dosing Control adjustable, from 5 min to 60 min with knob or disable by wire strap - on rear panel Backlight continuous on Power Supply 115 VAC ±10% or 230 VAC ±10%; 50/60 Hz Enclosure flame retardant ABS body and front panel; transparent splash-proof front cover Environment -10 to 50°C (14 to 122°F); RH max 95% non-conndensing Panel Cutout 141 x 69 mm (5.6 x 2.7’’) Weight 1 kg (2.2 lb.) Ordering Information The HI8410 is supplied complete with mounting brackets and instructions. Probes and Accessories HI76410/4 Galvanic DO probe (fixed) with internal temperature sensor, DIN connector and 4 m (13.1’) cable HI76410/10 Galvanic DO probe (fixed) with internal temperature sensor, DINconnector and 10 m (32.8’) cable HI76410A Spare membranes for HI76410 HI8410 Dissolved Oxygen Controller with Extended Range and Analog Output • 0.5 to 5.0 mg/L (ppm) O₂ alarm range • Automatic temperature compensation The HI8410 is a panel mounted dissolved oxygen controller that is used to maintain and monitor the concentration of DO in a wide range of industrial process applications. The HI8410 uses a Galvanic probe that typically requires less maintenance than a Polarographic style making it ideal for long term monitoring. The set point for controlling the activation of a relay is adjusted manually by the user. An alarm relay is also manually adjustable and is based upon a tolerance from the programmed setpoint. This controller features single set point calibration in zero oxygen solution. The D.O. probe is provided with a membrane covering the galvanic sensor and a built-in thermistor for temperature measurement and compensation. 1. DO probe connection terminals 2. Range selection: mg/L or % DO 3. SET terminals for connection to a dosing pump 4. ALARM terminals for connection to an external alarm device 5. Power supply terminals 6. Fuse holder 7. mA OUTPUT terminals for connection to a recorder 8. Hysteresis set knob (0.5 to 2.4 mg/L) 9. Disable overtime dosing connection 10. Overtime dosing set knob (about 5 to 60 min) 15 Process Instrumentation 15.81 www.hannainst.com | controllers
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