Scales > pH Meters > pH Meters | ||||||
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OverviewThe SG68, SG78 and SG98 SevenGo Duo pro™ instruments are easy to use, offer the highest possible accuracy
and provide great functions and security features not found in other portable instruments. In addition to the
many security features the SevenGo Duo pro™ instruments also have ISM®. This ensures that the correct and
most up-to-date calibration of the connected sensor is always used for the measurement
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The SG68, SG78 and SG98 SevenGo Duo pro™ instruments are easy to use, offer the highest possible accuracy
and provide great functions and security features not found in other portable instruments. In addition to the
many security features the SevenGo Duo pro™ instruments also have ISM®. This ensures that the correct and
most up-to-date calibration of the connected sensor is always used for the measurement. Intuitive Menu-Guidance in 10 Languages: Operation is extremely user-friendly thanks to flexible softkeys and large back-lit display. In addition, the instruments relay full sentences in 10 languages. Intelligent Sensor Management (ISM®): ISM® leaves nothing to chance! Calibration data and history are stored in the sensor and transferred automatically upon connection to the meter. Everything Included – Time Saver!: The field kit contains a meter, two ISM®-sensors, a rubber holster, a transporting case, sample bottles and buffer/standards. Works immediately!
Parameter
pH; Conductivity; Ion; ORP
Channel
Dual-channel
Sensor
InLab Expert Go-5m-ISM; InLab 738-ISM
pH measuring range
-2 – 19.999
pH resolution
0.001; 0.01; 0.1
Conductivity measuring range
0.01 µS/cm – 1000 mS/cm
Conductivity resolution
0.01 – 1
Languages
English; Italian; French; Russian; Portuguese; Chinese; Korean; German; Spanish; Japanese
Conductivity accuracy (±)
0.5 %
Ion concentration measuring range
1.00E-9 – 9.99E+9
Ion concentration resolution
3 digits (depending on unit)
Ion concentration accuracy (±)
0.5 %
mV resolution
0.1; 1
mV accuracy (±)
0.1
Temperature Range
-30 °C – 130 °C
Temperature resolution
0.1 °C
Temperature accuracy (±)
0.2 °C
Security and compliance
Password protection; GLP; User management
Memory size
500 measurements
Protection Rating
Watertight and dustproof (IP67)
Sensor Included
Generalist Sensor
Accessories
Long cable (5m); Carrying case
Display Type
LCD
Meter Type
Portable Dual-Channel
mV measuring range
-1999..1999 mV
Dimensions
220 x 90 x 45 mm
Weight
0.8 lbs
Compatible with Intelligent sensor management (ISM)
Yes
Portable Meter
Yes
Model | SG23-B 51302600 |
SG23-ELK 51302601 |
SG23-FK2 51302602 |
SG78-B PRO 51302620 |
SG78-ELK PRO 51302621 |
SG78-FK2 PRO 51302622 |
SG78-USP/EP PRO 51302622 |
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SevenGo Duo Kits | Instrument only | Electrode kit with InLab® Expert Pro-ISM and InLab®738-ISM (both IP67, 1.8 m cable) | Field kit with InLab® Expert Pro-ISM, InLab®738-ISM (both IP67, 2 m cable) and uGo™ | Instrument only | Electrode kit with InLab® Expert Pro-ISM and InLab®738-ISM (both IP67, 1.8 m cable) | Field kit with InLab®Expert Pro-ISM, InLab®738-ISM (both IP67, 1.8m cable) and uGo | Like SG78-ELK but with different sensors: Inlab® Pure Pro-ISM, 2m ISM-electrode cable and Inlab® 742-ISM |
pH measuring range | 0 – 14 | 0 – 14 | 0 – 14 | -2.000 to 19.999 | -2.000 to 19.999 | -2.000 to 19.999 | -2.000 to 19.999 |
pH resolution | 0.01 | 0.01 | 0.01 | 0.001 | 0.001 | 0.001 | 0.001 |
pH accuracy | 0.01 ± | 0.01 ± | 0.01 ± | ±0.002 | ±0.002 | ±0.002 | ±0.002 |
Temperature Range | -5 °C – 105 °C | -5 °C – 105 °C | -5 °C – 105 °C | -5.0 to 130.0 °C (ATC) -30.0 to 130.0 °C (MTC) |
-5.0 to 130.0 °C (ATC) -30.0 to 130.0 °C (MTC) |
-5.0 to 130.0 °C (ATC) -30.0 to 130.0 °C (MTC) |
-5.0 to 130.0 °C (ATC) -30.0 to 130.0 °C (MTC) |
Temperature Resolution | 0.1 °C | 0.1 °C | 0.1 °C | 0.1 °C | 0.1 °C | 0.1 °C | 0.1 °C |
Temperature accuracy | ±0.5 °C | ±0.5 °C | ±0.5 °C | ±0.2 °C | ±0.2 °C | ±0.2 °C | ±0.2 °C |
mV Measuring range | -1999 to 1999 | -1999 to 1999 | -1999 to 1999 | -1999 to 1999 | -1999 to 1999 | -1999 to 1999 | -1999 to 1999 |
mV resolution | 1 | 1 | 1 | 0.1 | 0.1 | 0.1 | 0.1 |
mV accuracy | 1 ± | 1 ± | 1 ± | ±0.1 | ±0.1 | ±0.1 | ±0.1 |
Conductivity measuring range | 0.1 µS/cm – 500 mS/cm | 0.1 µS/cm – 500 mS/cm | 0.1 µS/cm – 500 mS/cm | 0.01 µS/cm to 1000 mS/cm | 0.01 µS/cm to 1000 mS/cm | 0.01 µS/cm to 1000 mS/cm | 0.01 µS/cm to 1000 mS/cm |
Conductivity accuracy (±) | 0.01 to 1 | 0.01 to 1 | 0.01 to 1 | 0.01 | 0.01 | 0.01 | 0.01 |
Conductivity accuracy | ±0.5% | ±0.5% | ±0.5% | ±0.5% | ±0.5% | ±0.5% | ±0.5% |
TDS Measuring range | 0.01 mg/L to 300 g/L | 0.01 mg/L to 300 g/L | 0.01 mg/L to 300 g/L | 0.01 mg/L to 600 g/L | 0.01 mg/L to 600 g/L | 0.01 mg/L to 600 g/L | 0.01 mg/L to 600 g/L |
TDS Resolution | 0.01 to 1 | 0.01 to 1 | 0.01 to 1 | 0.01 to 1 | 0.01 to 1 | 0.01 to 1 | 0.01 to 1 |
TDS accuracy | ±0.5 °C | ±0.5 °C | ±0.5 °C | ±0.5 °C | ±0.5 °C | ±0.5 °C | ±0.5 °C |
Spec. resistance | 0.00 to 100.0 M&omega cm | 0.00 to 100.0 M&omega cm | 0.00 to 100.0 M&omega cm | 0.00 to 100.0 M&omega cm | 0.00 to 100.0 M&omega cm | 0.00 to 100.0 M&omega cm | 0.00 to 100.0 M&omega cm |
Spec. Resolution | 0.01 to 0.1 | 0.01 to 0.1 | 0.01 to 0.1 | 0.01 to 0.1 | 0.01 to 0.1 | 0.01 to 0.1 | 0.01 to 0.1 |
Spec. accuracy | ±0.5 °C | ±0.5 °C | ±0.5 °C | ±0.5 °C | ±0.5 °C | ±0.5 °C | ±0.5 °C |
Salinity Measuring range | 0.00 to 80.0 ppt | 0.00 to 80.0 ppt | 0.00 to 80.0 ppt | 0.00 to 80.0 ppt | 0.00 to 80.0 ppt | 0.00 to 80.0 ppt | 0.00 to 80.0 ppt |
Salinity Resolution | 0.01 to 0.1 | 0.01 to 0.1 | 0.01 to 0.1 | 0.01 to 0.1 | 0.01 to 0.1 | 0.01 to 0.1 | 0.01 to 0.1 |
Salinity accuracy | ±0.5 °C | ±0.5 °C | ±0.5 °C | ±0.5 °C | ±0.5 °C | ±0.5 °C | ±0.5 °C |
pH sensor inputs | BNC; RCA/cinch (both IP67) | BNC; RCA/cinch (both IP67) | |||||
Conductivity sensor input | LTW 7-pin (IP67) | LTW 7-pin (IP67) | |||||
Outputs | - | IR to printer or PC via RS232 or USB | |||||
Power supply | 4 1.5 V AA batteries or 1.3 V NiMH accumulators | 4 1.5 V AA batteries or 1.3 V NiMH accumulators | |||||
Operating conditions | 0 to 40 °C, 5 to 85% rel. humidity (non-cond.) | 0 to 40 °C, 5 to 85% rel. humidity (non-cond.) | |||||
Size/weight | 220 x 90 x 45 mm/357 g (without batteries) | 220 x 90 x 45 mm/325 g (without batteries) |
$2,736.80 |
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