The meters use one pH electrode (a BNC pH electrode or an ISFET pH probe) at a time. When the
meter power is set to on, the meter automatically identifies the type of electrode that is attached.
The H-Series meters are available in eight models:
• Waterproof handheld meters with Bluetooth
™
technology. Refer to Figure 1:
• H160G—pH and ORP
• H170G—pH, ORP, conductivity, TDS and salinity
•
Benchtop meters with a USB output. Refer to Figure 2:
• H260G—pH and ORP
• H270G—pH, ORP, conductivity, TDS and salinity
• H280G—pH, ORP, conductivity, TDS, salinity and dissolved oxygen (DO)
• Benchtop meters with Bluetooth
™
technology and a USB output. Refer to Figure 2:
• H260GB—pH and ORP
• H270GB—pH, ORP, conductivity, TDS and salinity
• H280GB—pH, ORP, conductivity, TDS, salinity and DO
Note: The difference between the benchtop meters is that the GB benchtop meters have Bluetooth
™
technology
and a USB output, and the G benchtop meters only have a USB output. Unless noted, when the benchtop series is
documented in this manual, the benchtop meter includes all of the H-series benchtop meters (both the G and the
GB benchtop meters).
Figure 1 Handheld meter
1 Rubber dust caps 5 ISFET pH probe connector (8-pin)
2 Conductivity probe connection (12-pin, H170G only) 6 LCD display
3 BNC probe connector 7 Power button
4 3.5 mm phono jack for glass pH electrode, ISE,
ORP or DO temperature sensors
8 Battery cover
English 7
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