pH Meters
BI-620 Industrial Online pH Controller
Industrial online pH controller for continuous pH monitoring in the environmental protection and industrial fields, 1 to 3 points calibration, 4 to 20 mA outputs.
Features:
? Economical online pH controller comes with an industrial pH electrode.
? 1 to 3 points calibration with auto-buffer recognition.
? Selectable pH buffer set, including the USA and NIST options.
? Automatic temperature compensation ensures accurate readings over the entire range.
? Automatic electrode diagnosis helps the user determine whether to replace the sensor.
? Setup menu allows setting the number of calibration points, alarm limits, hysteresis value,
4 to 20 mA output, etc.
? Reset function automatically restores all settings to the factory defaults.
Model | BI-620 | |
pH | ||
Range | -1.00 to 15.00 pH | |
Resolution | 0.01 | |
Accuracy | ±0.01 pH | |
Calibration | 1 to 3 points | |
pH Buffer Options | USA (pH 4.01/7.00/10.01) / NIST (pH 4.01/6.86/9.18) | |
mV | ||
Range | -1000 to 1000 mV | |
Resolution | 1 | |
Accuracy | ±1 mV | |
Temperature | ||
Range | 0 to 100°C / 32 to 212°F | |
Resolution | 0.1 | |
Accuracy | ±1°C / ±1.8°F | |
Calibration | 1 point | |
Calibration Range | Reading ±10°C/°F | |
Communication | ||
Signal Output | 4 to 20 mA | |
High/Low Limit Alarm |
| 0.00 to 14.00 pH, selectable |
Load |
| Maximum 500 Ω |
Communication Interface | RS485 | |
Connection Terminals | Detachable screw terminals | |
Other Specifications | ||
Temperature Compensation | 0 to 100°C / 32 to 212°F, automatic | |
Environmental Conditions | 0 to 50°C / 32 to 122°F, relative humidity < 80% | |
Display | Custom LCD (70 × 45 cm) | |
Power Supply | DC 24V | |
Dimensions | 96 × 96 × 75 mm | |
Weight | 350 g |
Ordering Code | Meter Includes |
BI-620 | IE-20T industrial pH electrode |
pH 4.01, 7.00, 10.01 buffer reagents |
| Items | Description |
| IE-20T pH Electrode | 5-meter cable |
| pH Buffer Solutions | For calibrating pH electrode |
| pH Electrode Cleaning Solutions | For electrode cleaning and reactivating |
| pH Electrode Storage Solution | For electrode maintenance and storage |
Ordering Code | Dimensions and Weights |
BI-620 | 28 × 22 × 15 cm, 1.5 kg |
