Zenith indicators, electronic
measurement and control equipment
Zenith Instruments manufactures indicators, electronic measurement and control equipment. See below for details. For custom-designed units, please contact us.
Below each instrument you will see a blue link 'click here to view specs' following the Adobe Acrobat symbol:
When you click on such an instrument link, it will take you to the 'specs' for that product.
If your computer does not have the Adobe Acrobat reader needed to read the file you should download a FREE READER (it only takes a couple of minutes). To download Adobe Acrobat click
here.
Model 96 IND-RMS Digital Amps/Volts 'True RMS' Indicator Range
RMS is a direct measure of the power or heating value of an AC voltage compared to that of DC. An AC signal of 1 volt RMS will produce the same amount of heat in a resistor as a 1 volt DC signal.
The 96 IND-RMS series are a range of 3 1/2 digit Digital Panel Metersable to indicate from 0 - 1999 amps or volts RMS on a 14mm red LED display.
The range can be configured to indicate several
options (see specs. link below).
Click here to view specs.
Model 96 HAVVAC Volts, Amps and Frequency Digital Indicator
The 96 HAVVAC is a 3 in 1 0 - 600 VAC indicator, a 0 - 1000 AAC indicator and a 10,0 to 90,0 HZ indicator, all practically mounted in a 96 x 96 panel mount box.
NB!! A CT must always be used when measuring current for isolation purposes.
Click here to view specs.
Model 489 IND Amp AC Indicator
The 489 IND is a range of 3 1/2 digit indicators. The amp AC range is capable
of measuring up to 5AAC direct or even higher with the use of an external 1A
or 5A CT.
Click here to view specs.
Model 489 RPM Autoranging RPM Indicator
The 489 RPM Indicator is an Autoranging RPM Indicator which will display the RPM on a 4 digit red LED display.
The range automatically changes from 9,999 to 6000 RPM.
Click here to view specs.
Model 489 HZ Frequency Indicator
The 489 HZ series is a 3 digit 14mm red LED frequency indicator capable of reading mains frequency in the range from 30,0 Hz to 70,0 Hz with a signal voltage from 50 VAC to 260 VAC.The unit can also measure from 0 to 999 Hz with a small modification inside.
Click here to view specs.