Description： * Measurement range (no cooperate with the external PT) : ACV : 0 to 600 ACV, 40 to 400 Hz.* True rms for ACV measurement.* Voltage input can cooperate with the external PT (voltage transformer) to expend the measurement range. The PT range can be adjusted with default.* Control setting, Hi/Lo alarm setting.* Control relay output, alarm relay output.* Power : 90 ACV to 264 ACV, 50/60 Hz.* RS232/USB computer interface.
Description： * 0 to 14.00 pH x 0.01 pH.* Accuracy : 0.1 pH (pH 4 to pH 10).* Auto calibration, Data hold, Record.* DC 9V battery (006 P).* pH electrodes (optional) : PE-01, PE-03, PE-11, PE-02, PE-08, PE-06HD.
Description： * 0 to 14.00 pH, 1,999 mV.* LCD show both pH and the temperature.* ATC or manual Temp. compensation.* Auto calibration for pH 4, pH 7 and pH 10.* Optional pH electrode and the ATC probe.* DC 9V battery (006P).* Meter size : 135 x 60 x 33 mm.
Description： * Power factor Measurement range : 0.10 to 1.00 PF.* Resolution : 0.01 PF (power factor).* Signal input : ACV : 0 to 600 ACV, 40 to 400 Hz. ACA : 0 to 10 A, 40 to 400 Hz.* Control setting, Hi/Lo alarm setting.* Control relay output, alarm relay output.* Power : 90 ACV to 264 ACV, 50/60 Hz.* RS232/USB computer interface.