OHAUS ST400 Manuel D'instructions page 23

EN-20
Error limits
Buffer groups
Calibration
Memory
Power supply
Size/weight
Display
IP protection
pH Input
Temperature Input
Communication output
Temperature-compensation
Housing
ST400M Multi-parameter meter
Measurement technical specification (pH)：
Measurement technical
specification
ST400M pH：
Measuring range
Resolution
Error limits
Buffer groups
Calibration
Memory
Power supply
Size/weight
Display
IP protection
pH Input
Temperature Input
Communication output
ST400 & ST400M Portable Meter
0.1 ° C
± 0.01 pH
± 1 mV
± 0.5 ° C
6
1-5 point
1000 pH measurement results
Last 5 calibration data of 6 electrodes
Rechargeable lithium battery, 2600mAh
100W x 230 L x 35 H mm / 0.35 kg
Dot matrix,LCD
IP67
IP67 BNC, impedance > 10e+12 Ω
IP67 Cinch, NTC 30 kΩ
Micro-USB
ATC & MTC
ABS/PC
Measurement range of digital unit: (-2.00 -16) pH
Measurement range: (0~14) pH, (-1999 ~ 1999) mV
Instrument level: 0.5
-2.00～16.00 pH
-1999～1999 mV
-5 ° C～110 ° C
0.01 pH
1 mV
0.1 ° C
± 0.01 pH
± 1 mV
± 0.5 ° C
6
1-5 point
1000 pH measurement results (pH and conductivity)
last 5 calibration data of 6 electrodes
Rechargeable lithium battery, 2600mAh
100W x 230 L x 35 H mm / 0.35 kg
Dot matrix, LCD
IP67
IP67 BNC, impedance > 10e+12 Ω
IP67 Cinch, NTC 30 kΩ
Micro-USB