Produced for stability across temperature-sensitive applications, the Combi table-top multimeter Sevendirect™ Sd23 Basic offers exceptional versatility within its category. This multi-parameter instrument caters to various needs, including pH/redox, conductivity, salinity, TDS, and temperature measurements. Its large color touchscreen ensures straightforward data input and direct measurements, while simple and intuitive operation simplifies the process further. The on-screen instructions guide users through programs, such as sensor calibration, and the adjustable screen display accommodates specific requirements. The device also boasts traceable documentation, internal measurement data memory, and intelligent Sensor Management (ISM ® ) for automatic recognition of ISM ® sensors. Additionally, it features two-level user management, ensuring secure access and preventing unauthorized modifications to device settings.

• Category: Combi table-top multimeter
• Conductivity resolution: automatic: 0.1 / 0.01 / 0.001 (μS/cm, mS/cm)
• IP rating: 54
• Type: SD23 Basic
• Data memory: 2000 datasets
• Conductivity measuring range: 0 µS/cm to 2000 mS/cm
• ISM Technology: yes
• pH resolution: 0,001 / 0,01 / 0,1 pH
• Temperature accuracy: ±0.1 °C (0.0 to 100.0 °C) ±0.3 °C (outside)
• TDS resolution: automatic: 0.1 / 0.01 / 0.001 (mg/l, ppm) or 0.1 / 0.01 / 0.001 / 0.0001 (g/l, ppt)
• Temperature resolution: 0.1 °C
• Temperature measuring range: -30 to +130 °C
• Salinity accuracy: ±0.5% of the measured value
• Voltage resolution: 0,1 / 1 mV
• TDS measuring range: 0 mg/l to 1000 g/l ppm
• Power supply: mains adapter
• Conductivity accuracy: ±0.5% of the measured value
• Connection: BNC (pH), Mini-DIN (EC), Cinch (°C)
• Salinity measuring range: 0 to 80 psu
• TDS accuracy: ±0.5% of the measured value
• Voltage accuracy: ±0,2 mV
• Voltage measuring range: -2000 to +2000 mV
• Calibration points: 1/2/3/4/5 (pH) 1/2 (EC)
• pH accuracy: ±0.002 pH
• Port: USB-A (USB stick, printer, barcode reader), USB-B (PC)
• Mains connection: 100-240 V, 50/60 Hz
• Channels: 2
• Sensor: without
• Salinity resolution: 0.01 / 0.1 psu
• Parameters: pH redox conductivity TDS salinity temperature
• pH measuring range: -2 to +20