Replaceable sensor lets you reuse meter body many times over for the
lowest long term cost of ownership
Automatic Temperature
Compensation (ATC)
Full scale readout on
the display
Certifiable to IP67
standards
Don’t worry if you drop the waterproof OAKTON® TDSTestr
in a tank or pond because it floats! These Testrs can also be certified
to meet IP67 ratings for dustproof and waterproof ingress protection.
The Waterproof TDSTestrs show full scale readout on the display so
there is no need to multiply the readout to obtain actual test values.
TDSTestr 1 and 2 read directly in ppm or ppt for total dissolved solids;
TDSTestr 3 and 4 read directly in µS or mS for conductivity.
Click below to download Acrobat (.pdf)
file of:
Waterproof
TDSTestr 1-4 product bulletin
Waterproof
TDSTestr 1-4 manual
Tech tip:
TDSTestr Comparison Chart
| TDSRange |
WD-35661-12: 0 to 1990 ppm
WD-35661-22: 0 to 10.0 ppt
WD-35661-32: 0 to 1990 µS
WD-35661-42: 0 to 19.90 mS |
| TDSResolution |
WD-35661-12: 10 ppm
WD-35661-22: 0.10 ppt
WD-35661-32: 10 µS
WD-35661-42: 0.10 mS |
| Accuracy |
±2% full scale |
| Calibration |
One point with trimpot |
| Waterproof/Dustproof (IP67) |
Yes |
| ATC |
Yes |
| Electrode |
Replaceable |
| Operating Temperature |
0 to 50°C (32 to 122°F) |
| Power |
Four 1.5 V batteries |
| Battery life |
100 hours continuous use |
| Dimensions |
6.5" x 1.5" dia (16.5 cm x 3.8 cm dia) |
| Shipping weight |
4.5 oz (125 g) |
|