Water Analysis Pen Meters
Convenient Results at Your Fingertips
For over a century, OHAUS has perfected the art of measurement through our line of weighing products. Taking a similar approach to our weighing equipment, OHAUS now delivers a line of pen meters that are durable, practical and affordable. Starter pen meters—the portable solution for on-the-go measurement of pH, oxidation-reduction potential (ORP), conductivity, salinity, total dissolved solids (TDS) and dissolved oxygen (DO). Starter pen meters are the economical option when you are simply looking for meters that will provide accurate measurement with no restriction
Click on the product code for specifications and manual
| Code | Name | Measurement Range | Resolution | Price | |
| 30073970 | Pen Meter ST10 | 0.0-14.0 | 0.1pH | $73.70 | |
| 30073971 | Pen Meter ST20 | 0.00-14.00 | 0.01pH | $125.40 | |
| 30073972 | Pen Meter ST10C-A | 0.0-199.9 μs|cm | 0.1 μs|cm | $96.80 | |
| 30073973 | Pen Meter ST10C-B | 0-1999 μs|cm | 1 μs|cm | $96.80 | |
| 30073974 | Pen Meter ST10C-C | 0.00-19.99 μs|cm | 10 μs|cm | $96.80 | |
| 30073975 | Pen Meter ST20C-A | 0.0-199.9 μs|cm | 0.1 μs|cm | $143.00 | |
| 30073976 | Pen Meter ST20C-B | 0-1999 μs|cm | 1 μs|cm | $143.00 | |
| 30073977 | Pen Meter ST20C-C | 0.00-19.99 μs|cm | 10 μs|cm | $143.00 | |
| 30073978 | Pen Meter ST10T-A | 0.0-100.0 mg|L | 0.1 mg|L | $110.00 | |
| 30073979 | Pen Meter ST10T-B | 0-1000 mg|L | 1 mg|L | $110.00 | |
| 30073980 | Pen Meter ST20T-A | 0.0-100.0 mg|L | 0.1 mg|L | $143.00 | |
| 30073981 | Pen Meter ST20T-B | 0-1000 mg|L | 1 mg|L | $143.00 | |
| 30073982 | Pen Meter ST10S | 0.0-10.0 ppt | 0.1 ppt | $96.80 | |
| 30073983 | Pen Meter ST20S | 0.0-80.0 ppt | 0.1 ppt | $143.00 | |
| 30073984 | Pen Meter ST10R | -1000mV-1000mV | 1mV | $159.50 | |
| 30073985 | Pen Meter ST20R | -1000mV-1000mV | 1mV | $213.40 | |
| 30393199 | Pen Meter ST20M-B | 0.0–10.0 ppt | 0.1 ppt | $162.80 | |
| 30393200 | Pen Meter ST20M-C | 0.0–10.0 ppt | 0.1 ppt | $162.80 |