Description
Combi hand-held measuring device, SevenGo Duo(TM) SG23-FK5, incl. pH-electrode InLab® Expert Pro-ISM, conductivity sensor InLab® 738-ISM (both IP 67, 5 m cable), elastic protective cover, bag with buffer solutions pH (2 bags each 4.01, 7.00), bag with calibrating standards conductive (2 bags each 1413 and 12880 µS/cm), sample bottles, wrist strap, case
For measuring pH, Redox, conductivity, TDS, salinity and temperature.
- Robust, waterproof housing
- Data memory for 99 GLP data sets
- Intelligent Sensor Management (ISM®) for automatic recognition of ISM® sensors and reading in calibration data
pH measurement:
- Automatic 1-/2-/3-point pH-calibration from four pre-defined points and a user-defined buffer set
- Automatic end point recognition, automatic buffer recognition and temperature compensation give reproducible results
- InLab® ExpertGo-ISM® pH single-rod measuring cell with integrated temperature gauge for aqueous samples, including emulsions, suspensions and solutions with proteins. PH-range: 0 to 14. Operating temperature: 0 to +100 °C. Protection rating: IP 67. Perforated diaphragms, polymer-electrolyte, plastic shaft. Shaft length/Ø: 120/12 mm
Conductivity measurement:
- Single-point calibration with calibration standards (84/1413/12880 µS/cm)
- Linear temperature compensation
- Selectable reference temperature
- With robust conductivity sensor for medium to very high conductivity: InLab® 738-ISM® (IP 67) with integrated temperature gauge. Measuring range: 0.01 to 1000 mS/cm. Plastic shaft, length/Ø: 120/12 mm. Operating range: 0 to +100 °C
Note: for ORP measurements, please order redox electrodes separately.
Delivery incl. InLab® Expert Go-ISM®pH single-rod measuring cell, InLab® 738-ISM® conductivity sensor, rubber-elastic protective case, buffer solutions (pH 4.01/7.00; EC 1413/12.88 mS/cm), sample bottles, carrying case, wrist strap and batteries.
Technical Information
| Type | SG23-FK5 |
| Parameters | pH redox conductivity temperature |
| Channels | 2 |
| Sensor | InLab® ExpertGo-ISM® (pH), InLab® 738-ISM® (EC) |
| pH measuring range | 0 to 14 |
| pH resolution | 0,01 pH |
| pH accuracy | ±0.01 pH |
| pH temp. compensation | automatic |
| Voltage measuring range | -1999 to +1999 mV |
| Voltage resolution | 1 mV mV |
| Voltage accuracy | ±1 mV |
| Conductivity measuring range | 0 µS/cm to 500 mS/cm |
| Conductivity resolution | automatic (0.01 μS/cm - 1 mS/cm) |
| Conductivity accuracy | ±0.5% of the measured value |
| Temperature compensation conductivity | linear |
| Reference temperature conductivity | 20 / 25 °C |
| TDS measuring range | 0 mg/l to 300 g/l ppm |
| TDS resolution | automatic (0.1 mg/l - 1 g/l) |
| Salinity measuring range | 0 to 80 ppt |
| Salinity resolution | 0.01 ppt |
| Temperature measuring range | -5 to +105 °C |
| Temperature resolution | 0.1 °C |
| Temperature accuracy | ±0.5 °C |
| Calibration points | 1/2/3 (pH), 1 (EC) |
| Data memory | 99 data sets |
| Port | infrared adapter (PC) |
| Connection | LTW 7-pole (EC), BNC (pH), Cinch (°C) |
| ISM Technology | yes |
| IP rating | 67 |
| L x W x H | 220 x 90 x 45 mm |
| Power supply | 4x battery Mignon/AA 1.5 V |

