For 120VAC operation, order the AC Adapter Kit. A 3.5mm jack will be installed in your meter
& an AC Adapter will be supplied. If you want to test ORP (Oxidation Reduction Potential),
order the Model 35-5500 ORP Electrode with your meter. The pH/mV meters will work with
any specific-ion electrode with a BNC connection.
When ordering please select one of the following ranges:
Model 70: 2 (100), 20 (1,000), 200 (10,000)
Model 71 & 73: 0.1 (100), 1 (1,000), 10 (10,000)
Control Knob: ON/OFF
Temperature Compensation: Manual 0 to 100 degrees C.
Temperature Display: (Model 73 only) -50 to 150 Degrees C.
Electrode: 6L x 0.5D inches with a 36 inch cable, BNC
connector 15.3L x 1.25D cm with a .9144 meter cable
AC Adapter Kit, Recorder Output, Calibration Solutions
Accuracy: +/- 2.5% of Scale
Power: 9-volt battery
Sold in kit form, each unit includes a meter, combination pH electrode, buffer 4, 7, 10, a 9-volt
battery & carrying case. Model 64 includes Temperature Sensor.
ESD Accurate & Affordable Meters
Choose one of 6 single-range meters to obtain accurate micromho or parts per million mea-
surements. Models 70 & 70DS have easy-to-read analog displays, Models 71 & 73 offer large
0.5-inch digital displays. Manual temperature compensation is a standard feature in these
Each model is sold as a complete kit and includes meter, electrode, carrying case & 9-volt
battery. Conductivity electrode is polymer body with carbon sensing elements & has a con-
stant cell of 1.0.
Single-Range Conductivity/TDS Meters