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Ohaus 30073975
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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 accurate measurements with no restrictions
Standard Features Include:
Convenient pH Testing:
Portable ORP Measurement:
Productive Conductivity Meters:
Simple Salinity Measurement:
Multi Parameter Meter:
Simple and Fast Dissolved Oxygen (DO) Measurement:
Complete TDS Meters:
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Conductivity Meter Specifications | |||
Model | ST20C-C | ST20C-B | ST20C-A |
Range | 0.00 – 19.99 mS/cm | 0 – 1999 μS/cm | 0.0 – 199.9 μS/cm |
Resolution | 10 μS/cm | 1 μS/cm | 0.1 μS/cm |
Accuracy | ±1.5 % FS | ±1.5 % FS | ±1.5 % FS |
ATC | With Temperature Display | With Temperature Display | With Temperature Display |
Display | Dual | Dual | Dual |
Automatic Shutdown | 6 Minutes of Non-Use | 6 Minutes of Non-Use | 6 Minutes of Non-Use |
Batteries | 4 AG13 1.5V Micro Alkaline | 4 AG13 1.5V Micro Alkaline | 4 AG13 1.5V Micro Alkaline |
Size/Weight | 185 × 45 × 38 mm, 110 g | 185 × 45 × 38 mm, 110 g | 185 × 45 × 38 mm, 110 g |
Model | ST10C-C | ST10C-B | ST10C-A |
Range | 0.00 – 19.99 mS/cm | 0 – 1999 μS/cm | 0.0 – 199.9 μS/cm |
Resolution | 10 μS/cm | 1 μS/cm | 0.1 μS/cm |
Accuracy | ± 2.5 % FS | ± 2.5 % FS | ± 2.5 % FS |
ATC | Without Temperature Display | Without Temperature Display | Without Temperature Display |
Display | Single | Single | Single |
Automatic Shutdown | 6 Minutes of Non-Use | 6 Minutes of Non-Use | 6 Minutes of Non-Use |
Batteries | 4 AG13 1.5V Micro Alkaline | 4 AG13 1.5V Micro Alkaline | 4 AG13 1.5V Micro Alkaline |
Size/Weight | 185 × 45 × 38 mm, 110 g | 185 × 45 × 38 mm, 110 g | 185 × 45 × 38 mm, 110 g |
Catalog Number | Model | Description | Range | Resolution |
pH Meters | ||||
30073971 |
ST20 | pH Pen Meter | 0.00 – 14.00 pH | 0.01 pH Resolution |
30073970 |
ST10 | pH Pen Meter |
0.00 – 14.00 pH | 0.1 pH pH Resolution |
ORP Meters | ||||
30073985 |
ST20R | ORP Pen Meter | 1000mV – 1000mV | 1mV |
30073984 |
ST10R | ORP Pen Meter |
1000mV – 1000mV | 1mV |
Conductivity Meters | ||||
30073977 |
ST20C-C | Conductivity Pen Meter | 0.00 – 19.99 mS/cm | 10 μS/cm |
30073976 |
ST20C-B | Conductivity Pen Meter | 0 – 1999 μS/cm | 1 μS/cm |
30073975 * | ST20C-A | Conductivity Pen Meter | 0.0 – 199.9 μS/cm | 0.1 μS/cm |
30073974 |
ST10C-C | Conductivity Pen Meter | 0.00 – 19.99 mS/cm | 10 μS/cm |
30073973 |
ST10C-B | Conductivity Pen Meter | 0 – 1999 μS/cm | 1 μS/cm |
30073972 |
ST10C-A | Conductivity Pen Meter | 0.0 – 199.9 μS/cm | 0.1 μS/cm |
Salinity Meters | ||||
30073983 |
ST20S | Salinity Pen Meter | 0.0 – 80.0 ppt | 0.1 ppt |
30073982 |
ST10S | Salinity Pen Meter | 0.0 – 10.0 ppt | 0.1 ppt |
Multi Parameter Meters | ||||
30393199 |
ST20M-B | Multi Parameter Pen Meter | 0 – 14 pH | 0.01 pH |
30393200 |
ST20M-C | Multi Parameter Pen Meter |
0 – 14 pH | 0.01 pH |
DO Meter | ||||
30073986 |
ST20D | DO Pen Meter | 0.0 – 19.9 mg/L | 0.1 mg/L |
TDS Meters | ||||
30073981 |
ST20T-B | TDS Pen Meter | 0–1000 mg/L | 1 mg/L |
30073980 |
ST20T-A | TDS Pen Meter | 0.0–100.0 mg/L | 0.1 mg/L |
30073979 |
ST10T-B | TDS Pen Meter | 0–1000 mg/L | 1 mg/L |
30073978 |
ST10T-A | TDS Pen Meter | 0.0–100.0 mg/L | 0.1 mg/L |
30073975