TDSTestr 10 features 1 ppm resolution below 1000 ppm and 0.01 ppt
resolution above 1.00 ppt
TDSTestr 20 features 1
µS resolution below 2000 µS and 0.01 mS resolution above 2.00 mS
Microprocessor-based
Easy two-point
push-button calibration
Automatic Temperature
Compensation
Hold function; Auto off;
error messages
The dual-range TDSTestrs 10 and 20 allow you to measure clean,
treated, used and waste water- all with one instrument! They feature a
wide measuring range with new, improved higher resolution and a faster
temperature response.
Click below to download Acrobat (.pdf)
file of:
TDSTestr
10-40 product bulletin
TDSTestr
10-20 manual
Tech tip:
TDSTestr Comparison Chart
| TDSRange |
WD-35661-50 0.0 to 999 ppm and 1.00 to 9.99 ppt
WD-35661-55 0 to 1999 µS and 2.00 to 19.99 µS |
| TDSResolution |
WD-35661-50 0.1 ppm, 0.01 ppt
WD-35661-55 1 µS , 0.01 µS |
| Accuracy |
±2% full scale |
| Calibration |
Two points push button (one per range) |
| ATC |
Yes |
| Electrode |
Built-in |
| Operating Temperature |
0 to 50°C (32 to 122°F) |
| Power |
Four 1.5 V batteries |
| Battery life |
20 hours continuous use |
| Dimensions |
5.875" x 1.5" x 0.75" (15 x 4 x
2.5 cm) |
| Shipping weight |
4.5 oz (125 g) |
|