PORTABLE TDS METER –
MODEL : AD-401
Made in Adwa Instruments – Hungary
The autoranging feature of the EC and TDS readings automatically sets the instrument to the scale with the highest resolution.
Measurements are compensated for temperature effect automatically ( ATC) or manually ( MTC) .
The temperature compensation
feature can also be disabled to measure actual conductivity or TDS.
The temperature coefficient is user selectable. The instuments also feature a measurement stability indicator.
supplied complete with A76309 conductivity probe with built-in temperature sensor and 1 m cable,
batteries ( 4 x 1.5V AA alkaline) and instruction manual.
Range EC : 9.9/ 99.9/ 999 ppm
Range TDS : 9.9/ 99.9 ppt
Temperature : – 9.9 to 120′ C
Resolution : 0.01/ 0.1/ 1 ppm
0.01/ 0.1 ppt
EC/ TDS Calibration : offset 0.0 ppm
Slope 1 point with 4 memorized std
cal. 8.00 , 1382 ppm or 6.44 , 40.0ppt
or one custome value.
Temp Compensation : automatic or manual – 9.9 to 120′ C