EC-310 /303 /304
EC-285/288/289
 
(Waterproof )

Range:EC-310:1-999us/m
           EC-303:10-1990us/m
           EC-304:100-19900us/m
Accuracy:±2%F.S
Battery:4 x 1.5V alkaline
Calibration: manual,1 point
Calibration solution:800/1413/12280us/m
Battery life: approx.150 hours of use
Environment:0 to 50℃ (32 to 122°F );
RH95%max
Size:152x30x21mm(5.9x1.2x0.8'')
Weight:53g(1.87oz)

Range:EC-285:0-19.99ms
           EC-288:0-1999ms
           EC-289:0.0-19.99ms
Resolution:0.01EC 1us/cm 0.01ms/cm
Accuracy:±2% Full Scale
A T C:5 to 50°C (41 to 122°F)
Power: 4 x 1.5V alkaline
Dimensions:172×26×26mm
Weight :72g

   
     
   
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