Compact, sensitive and easy to use 'field mill' instrument for non-contact measurement of surface voltage. Full scale sensitivities of 2,000 and 20,000 volts at 100 mm separation. 1V and 10V resolutions and zero stability. 3½ digit LCD shows surface voltages directly as kV with polarity and LO BATT indication. User settable audio alarm level. Analogue output of reading, sensitivity range and alarm state via 8 pin miniature DIN connector. Analogue output may be displayed and recorded using a paper chart recorder or a digital storage oscilloscope (e.g. a Picoscope). Opportunity for continuous operation with external power supply unit (12V 250mA isolated from earth) via 2.1mm d.c. connector in back cover. Supplied in carrying case with PP3 battery, signal cable, earth bonding cord and User Manual
Download PDF: JCI 140 Datenblatt
Static Monitor JCI 140F
Fast response version of JCI 140 above (-3dB at 400Hz, below 1ms response time) with operation by replaceable battery or external power supply unit. 8 pin miniature DIN input/output connector. Supplied with analogue output cable, earth bonding cord and User Manual.
Mains Power Supply Units JCI 142 for JCI 140 instruments
JCI 142UK: 13A mains 'Wall Cube' isolated 12V power supply unit for long term continuous operation of JCI 140 and JCI 140F instruments. Input connection to JCI 140 via 2.1mm d.c. connector. JCI 142EU: European 2 pin mains socket, isolated 12V power supply unit. JCI 142US: US mains socket, isolated 12V power supply un
Mounting Blocks JCI 169
A pair of blocks for mounting JCI 140 instruments by the backplate for long term monitoring applications. The blocks retain access for 8w miniature DIN signal output connector and 2.1mm d.c. power supply.
