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Model | ST300C |
Measurement Range | 0.0 μS/cm to 199.9 mS/cm 0.1 mg/l to 199.9 g/l (TDS) 0℃ to 100 ℃ |
Measurement Resolution | Automatic Range 0.1 ℃ |
Error Limits | ± 0.5 % of the Measured Value ± 0.3 ℃ |
Calibration | 1 Points 4 Predefined Standards |
Memory | 30 Measurements Last Calibration Data |
Power Supply | 4 AAA >250 Operating Hours |
Size / Weight | Approximately 90 W x 150 D x 35 H mm / 0.16 kg (without Batteries) |
Display | Liquid Crystal |
Input | Mini - DIN |
Temperature Compensation | ATC, Linear: 0.00 %/℃ ... 10.00%/℃ Reference Temperature: 20 & 25 ℃ |
Model | ST400M | |
Measuring Range | pH | -2 ... 16.00 pH |
mV | -1999 ... 1999 mV | |
Conductivity | 0.0 μS/cm ... 199.9 mS/cm | |
TDS | 0.1 mg/l... 199.9 g/l | |
Salinity | 0.0 ... 99.9 psu | |
Resistivity | 0 ... 20 MΩ cm | |
Temperature | -5 ℃ ... 110 ℃ | |
Resolution | pH | 0.01 pH |
mV | 1 mV | |
Conductivity | 0.1 μS/cm, Auto - range | |
TDS | 0.01 mg/l, Auto - range | |
Salinity | 0.01 psu, Auto - range | |
Resistivity | 0.01 Ω cm, Auto - range | |
Temperature | 0.1 ℃ | |
Accuracy | pH | ± 0.01 pH |
mV | ± 1 mV | |
Conductivity | ± 0.5% F.S | |
TDS | ± 0.5% F.S | |
Salinity | ± 0.5% F.S | |
Resistivity | ± 0.5% F.S | |
Temperature | ± 0.3 ℃ | |
Calibration | pH | 1 - 5 points, 6 predefined buffer groups |
Conductivity | 1 point, 5 predefined standards | |
Memory | 1000 measurements (pH + Conductivity) 5 calibration data for each sensor ID | |
Power Supply | Rechargeable Li-battery,2600mAh; >300charge and discharge times | |
Size / Weight | Approximately 100W x 230 L x 40 Hmm / 0.35 kg | |
Display | LCD with Backlight | |
IP Protection | IP67 | |
Housing | ABS / PC |