| 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 or 1% ( O2) / 0.1 °C | |
| Accuracy | ±1% of reading ( O2) / ±0.2 °C | |
| Input | High impedance 1012 Ohm; Reference annd Matching pin inputs are available; 4-20 mA | |
| Calibration | Manual, one point, in saturated air | |
| Temperature 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) | HI 76409/4 with 4 m cable or HI 76409/10 with 10 m cable | |
| Recorder Output | 0 to 20 mA or 4 to 20 mA (isolated) | |
| Setpoint and Alarm Relay | 1, isolated, 2A, Max. 240V, resistive load, 1,000,000 strokes | |
| Setpoint Range | 1 to 600 % O2;0.1 to 50.0 mg/L (ppm) O2 | |
| Alarm Range | 1.0 to 5.0 mg/L (ppm) O2 | |
| Hysteresis Range | 0.1 to 1.0 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 | Black anodized aluminum body; front-panel with flame retardant ABS; transparent splash-proof front cover | |
| Environment | -10 to 50°C (14 to 122°F); RH max 95% non-condensing | |
| Panel Cutout | 141 x 69 mm (5.6 x 2.7") | |
| Weight | 1 kg (2.2 lb.) |