PH-3509 waterproof pH/EC/TDS/Salinity/Temperature Multi-parameter Tester

range
PH
0.00～14.00PH

EC
0~1999μs/cm
0~19.99mS/cm

TDS
0~1999ppm
0~19.99ppt

salinity
0-42.0‰

temperature
0～50℃
resolution
PH
0.01PH

EC
1μs/cm（<1999 μs/cm）
10us/cm（>1999 us/cm）
0.01mS/cm

TDS
1ppm(<1999ppm)
10ppm(>1999ppm)
0.01ppt

salinity
0.1‰

temperature
0.1℃
precision
PH
±0.02PH

EC
±2%F.S

TDS
±2%F.S

salinity
±2%F.S

temperature
±0.5℃
Automatic temperature compensation
0℃～50℃
battery
3×1.5V(AG13)
Operating temperature
0℃～50℃
PH calibration
2-point (6.86, 4.01) or 1-point (6.86) calibration
Automatic power off
8 minutes
size
188mm×35mm×35mm
weight
98g