REED R3100SD Data Logging Conductivity/TDS/Salinity Meter
Model: R3100SD | UPC: 800837004680
REED R3100SD Data Logging Conductivity/TDS/Salinity Meter
Model: R3100SD | UPC: 800837004680
Real-time data logger with integrated SD memory card measures/records conductivity, total dissolved solids (TDS) and salt levels in water with automatic temperature compensation.
REED R3100SD Offers
The R3100SD features Data hold, Max/Min functions, and an easy-to-read backlit LCD display. Using a SD card (max 16GB), a user can manually record up to 99 readings or automatically by selecting a desired sampling rate from 1 to 3600 seconds. Quickly generate an Excel file with raw data, all without the use of software. Optional accessories include a tripod and AC adapter for continuous long-term monitoring.
Features
- Measures conductivity, total dissolved solids (TDS) and salt levels in water
- Automatic temperature compensation
- Real time data logger with integrated SD memory card (optional)
- User selectable sampling rate
- Easy-to-read backlit LCD display
- Data hold and Min/Max functions
- Tripod mount for long-term monitoring
- Low battery indicator and auto shut off
REED R3100SD Specifications
Conductivity | |
Measuring Range | 200μS/cm, 2mS/cm, 20mS/cm, 200mS/cm |
Accuracy | ±(2%FS +1 dgt) |
Resolution | 0.1μS, 0.001mS, 0.01mS, 0.1mS |
TDS (Total Dissolved Solids) | |
Measuring Range | 200, 2000, 20,000, 200,000 ppm |
Accuracy | ±(2%FS +1 dgt) |
Resolution | 0.1, 1, 10, 100 ppm |
Salinity | |
Measuring Range | 0 to 12% (% weight) |
Accuracy | ±0.5% salt |
Resolution | 0.01% salt |
Temperature | Measuring Range: 32 to 140°F (0 to 60°C) Accuracy: ±1.5°F (±0.8°C) Resolution: ±0.1°F (±0.1°C) |
General Specifications | |
Display | Dual Display, LCD |
Backlit Display | Yes |
Data Hold | Yes |
Min | Yes |
Max | Yes |
Datalogging Capabilities | Yes |
Real-Time Clock and Date Stamp | Yes |
Sampling Rate | Yes (1 second to 8 hours, 59 minutes and 59 seconds) |
External Memory | Yes, expandable up to 16GB with SD card (optional) |
SD Card Class Compatibility | Class 4 |
Auto Shut-off | Yes (after 10 minutes/off) |
Kick Stand | Yes |
Tripod Mountable | Yes |
Low Battery Indicator | Yes |
Power Supply | 6 x AA Batteries or AC Adapter (optional) |
Data Output | Yes (RS-232) |
Battery Life | Sampling Time Dependent |
Product Certifications | CE |
Operating Temperature | Meter: 32 to 122°F (0 to 50°C) Probe: 32 to 140°F (0 to 60°C) |
Storage Temperature | 14 to 140°F (-10 to 60°C) |
Operating Humidity Range | 10 to 80% |
Dimensions | 7 x 2.7 x 1.9" (177 x 68 x 45mm) |
Weight | 1.1lb (515g) |

What's included with the REED R3100SD
- Data Logging Conductivity/TDS/Salinity Meter
- Conductivity/TDS/Salt Probe
- Hard Carrying Case
- Batteries
Dive into the R3100SD Data Logging Conductivity/TDS/Salinity Meter
Water quality meters are used every day in wastewater plant laboratories, production facilities and aquariums to ensure quality standards are met. The R3100SD Data Logging Conductivity/TDS/Salinity Meter is a real-time data logger with integrated SD memory card that measures/records conductivity, total dissolved solids (TDS) and salt levels in water. This meter also features an easy-to-read backlit LCD display, keypad with data hold and Max/Min functions and the ability to automatically record by selecting a desired sampling rate from 1 to 3600 seconds.
Meet the SD Series Family of Real-Time Data Loggers
Whatever tool you need for any application, the SD series has something for you! Offering 12 diverse data logging meters, there's at least one meter for every category, whether its for measuring temperature (R2450SD), air temperature & velocity (R4000SD & R4500SD), heat stress (R6250SD), relative humidity (R6050SD), air quality (R9910SD), water quality (R3000SD & R3100SD), sound (R8070SD), light and environmental (R8100SD & R4700SD) & vibration (R7000SD).
Ideal Applications for the REED R3100SD
- Water conditioning
- General purpose conductivity and salinity measurement
- Aquariums
- Wastewater monitoring
- Beverage production
Click on a category to view a selection of compatible accessories with the REED R3100SD Data Logging Conductivity/TDS/Salinity Meter.
REED CA-05A Medium Soft Carrying Case
Model: CA-05A
Features a main instrument compartment and a side pouch for accessories.REED R8888 Medium Hard Carrying Case
Model: R8888
Professional grade, injection molded hard plastic case with customizable foam inserts.REED R1430 Conductivity Standard Solution, 1413μs
Model: R1430
Conductivity Standard Solution 1413μS intended for conductivity probe calibration.REED R3100SD-PROBE Replacement Conductivity/TDS/Salt Probe
Model: R3100SD-PROBE
For use with the REED R3100SD & SD-4307 Data Logging Conductivity/TDS/Salinity Meters.REED RSD-16GB Micro SD Memory Card w/Adapter, 16GB
Model: RSD-16GB
For use with REED SD Series Data Loggers.