Description
K7GE-MG
Insulation resistance monitoring device
The new K7GE-MG series automatically measure the insulation resistance of motors and equipment and monitors abnormal conditions at manufacturing sites, instead of taking measurements manually. Continuous remote monitoring helps to evaluate the trend of deterioration in insulation resistance of equipment to avoid unexpected downtime and accidents with electric shocks.
- Highly reproducible measurements that correspond to the same measurement know-how of high qualified maintenance personnel
- Low voltage measurement with no overload on the machine equipment
- Data can be obtained from remote locations by connecting to a network
- Able to measure up to eight points simultaneously
- Safe and efficient trend monitoring
- Automatically stops measuring if the device power is turned ON after measurement has started
- Easy to install and retrofit
Features
Highly reproducible measurements
Trend monitoring is not possible if measurement fluctuates due to measurer’s lack of insulation resistance measurement know-how. However, K7GE can contribute to trend monitoring because tasks that cause measurement fluctuation may be set up by parameters, allowing for highly reproducible measurement.
High frequency of measurements to accurately identify equipment abnormalities
K7GE-MG enables automatic measurement that can be repeated every time the device is switched off.This helps avoid sudden stoppages due to insulation degradation which conventional inspections conducted at long intervals may miss.
Automatic measurement depends on equipment condition
The automatic measurement eliminates any risk of equipment failure by stopping measurement if the equipment power is restored after its start.
Automatic measurement reduce electric shock accident for worker
K7GE helps reduce risk of work accidents such as electric shocks since measurement is automatic and does not require manual tasks.
Reduced risk of equipment failure due to measurement with fixed 50 VDC
Remote condition monitoring for automatic insulation resistance measurement
K7GE enables remote monitoring from the office via network connection using a touch panel, PLC, and communications converter. It also allows on-site measurement results confirmation and parameter setting changes via the Main Unit indicator.
Easy measurement data collection and trend monitoring by using a dedicated tool
K7GE data collection tool runs on Excel, allowing for direct analysis and processing.
User-friendly features that support the trend monitoring
1. Scalable Probe Units
K7GE supports up to eight Probe Units for measurement targetson the same system. It provides for a space-efficient installationas the number of Probe Units can be scaled in accordance with thenumber of measurement targets.
*1. The Main Unit and Probe Units are sold separately; purchase in the required combination for use.
2. Easy to install and retrofit
Easy to retrofit since it can be used just by wiring to the power cable of the target equipment.
3. Maintenance timing notification by two-level alarm: warning and critical
The threshold for indicating the degree of degradation can be set in two levels. Anomaliescan also be confirmed through communications data. This feature enables identifying the optimaltiming for maintenance without visiting the site frequently. Furthermore, a load(such as an anomaly detection indicator) can be directly connected to the units transistor alarmoutputs.
*2. Factory default settings
4. Periodic inspection by Megohmmeter
K7GE does not have any impact on measurement results by the Megohmmeter since its internal drycontact isolates it from the equipment target of measurement, except during measuring. Whenneeded, it can easily support measurement by calibrated measuring equipment as well.
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