Description
YSI EC300M C300M Conductivity/Temperature
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The EC300M offers convenient measurement of conductivity, specific conductance, salinity, total dissolved solids, and temperature in many field applications. Compared to the EcoSense® EC300A the EC300M features extended memory and simple data transfer with a micro-USB port.
The EC300M is designed for quick, accurate results in an economical platform. With a one-year instrument and electrode warranty, waterproof case and ease of use, the EC300M will fit your needs.
Display Description

| Number | Description |
| 1 | Displays when measuring conductivity. |
| 2 | Low battery indicator |
| 3 | Recal Timer indicator (EC300M only) |
| 4 | Main display for compensated and uncompensated conductivity, salinity and TDS values. |
| 5 | Displays when measuring total dissolved solids. |
| 6 | Indicates conductivity cell constant value. |
| 7 | USB/PC connection indicator (EC300M only) |
| 8 | Displays when measuring salinity. |
| 9 | Calibration mode indicator |
| 10 | Data set number |
| 11 | Temperature display |
| 12 | Indicates TDS measurement |
| 13 | Indicates conductivity measurement |
| 14 | Indicates salinity measurement |
| 15 | °C: Flashes during temperature compensated conductivity measurement. During calibration, indicates temperature reference unit. %: Displays during calibration; indicates temperature coefficient unit. |
| 16 | Save, Full, Recall, Each, All, Delete: Instrument’s data storage indicators. |
| 17 | Date/Time display (EC300M only) |
Manufacturer Specs
| General Specifications | |
| Measurement Range | Conductivity: 0 to 200.0 mS/cm; Salinity: 0.0 to 70.0 ppt; Total Dissolved Solids (TDS): Calculated in mg/L; Temperature: -10 to +90°C (14 to 194°F) |
| Memory | 250 data set reviewable memory |
| Operating Temperature | 0 to 50° C (32 to 122 °F) |
| Parameters Measured | Conductivity, Salinity, TDS, Temperature |
| Sampling | Yes |
| Unit of Measure | Conductivity: mS/cm or µS/cm; Salinity: ppt; Total Dissolved Solids (TDS): mg/L; Temperature: °C |
| User Calibratable | Yes |
| User Replaceable | Yes |
| Warranty | 1-year instrument and probe/cable assembly |
| Waterproof | IP67 Waterproof |
Tech Specs
Dataloggers / Data Acquisition/Dataloggers for Environmental Variables/Temperature Dataloggers Templ |
|
|---|---|
| Max Temperature | 194 F (90 C) |
| Min Temperature | 14 F |
| Power Source | Battery |
| Battery Life | 90 HR |
| Input Source | External Probe |
| LCD Screen | Yes |
Test Equipment General Attributes |
|
| IP Rating | IP67 |
| Product Weight | 0.6 LBS |
| Battery Type | 9v |
| Power Supply Voltage | Battery Powered |





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