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General| Brand | Bender |
|---|---|
| Model | ISOMETER IR423-D4 |
| Category | Measuring Instruments |
| Language | English |
Manual is for qualified personnel in electrical engineering and electronics. Rules must be observed. Keep handy.
Explains DANGER, WARNING, CAUTION, and INFO symbols used in the manual.
Icons for disposal, protection from wetness/dust, temperature, recycling, and RoHS.
Information on training courses available on the Bender website.
Bender sale and delivery conditions apply and can be obtained from Bender.
Inspect packaging for damage and ensure proper storage conditions.
Lists conditions under which warranty claims are excluded, e.g., improper use.
National regulations and laws governing disposal must be followed. Further info on website.
Device use outside Germany is regulated by local standards. Within Europe, EN 50110 applies.
Touching live parts is dangerous. Ensure installation is de-energised before work. Observe safety rules.
Device must be isolated from the system during insulation or voltage tests.
Monitors insulation resistance in unearthed AC circuits (IT systems) from 0-300 V. Other use is improper.
Insulation monitoring device for unearthed AC control circuits (IT systems). External supply allows monitoring of de-energised systems.
Generates pulsating measurement voltage to detect insulation faults.
Checks connections to system and earth. Interruption triggers alarm.
Times delay alarm indication via LEDs and relays.
Alarm indication delayed by preset time after supply voltage connection.
Delays alarm indication based on response value and system-related time.
Shows overall dimensions of the device in mm.
Instructions for mounting the device on a DIN rail or via screw fixing.
Shows electrical connections for power supply, system, and alarm relays.
Diagrams illustrating connection setups for overvoltage release and contactor applications.
Check proper connection before commissioning. Perform functional test with a genuine earth fault.
Explains the function of LEDs and buttons on the device front.
Describes various elements shown on the device display.
Diagram showing menu structure and navigation paths using buttons.
Notes that adjustable display segments flash. Menu mode accessed by pressing MENU button.
Set response values for prewarnings and alarms.
Configure fault memory (M) and operating principle of alarm relays K1/K2 (N/O or N/C).
Set response values for prewarnings and alarms.
Activate, change, or deactivate password protection.
Steps to change the existing password.
Steps to disable the password protection.
Resets all settings to delivery status and automatically adapts response values.
Access and select data sections of the software version via UP/DOWN keys.
Detailed technical specifications including insulation coordination, voltage, response values, and time response.
Details about display range, operating uncertainty, password, and fault memory status.
Information on cable length for external test and reset buttons.
Details on number of switching elements, operating principle, and electrical service life.
Utilisation category, rated voltage, current, and minimum contact rating.
Operating temperature, climatic classes, and EMC compliance.
Details mechanical stress classifications for stationary use, transport, and storage.
Describes connection types, properties, wire stripping length, and torque.
Other specifications like operating mode, mounting, degree of protection, material, and weight.
Lists product types, supply voltages, terminals, and corresponding article numbers.
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