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CL-Amp Kit Strommessung
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CL-Amp Kit Strommessung
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| ‘Out of the Box’ CL-Amp Kit Overview
With legacy data centres known to be operating at the extremes of their design capability and beyond, there is an urgent need to provide a ‘non-invasive’ current monitoring solution to retrofit, legacy and new build data centres, in order to monitor and increase visibility of power usage, help regain power and cooling capacity and ultimately enable clients to benefit from attendant cost savings, without the scheduled power downtime associated with traditional monitoring technologies.
To facilitate deployments, Unite Technologies has configured a simple, cost effective, ‘out of
the box’ kit solution, specifically designed for a single cabinet installation, removing the need to setup complex SNMP based network management systems. The kit comprises of all the necessary constituent component parts required for your ‘non-invasive’ current monitoring solution and consists of the following:
• 2 x CL-Amp devices.
• 2 x sets of cable collars supplied to support: 8mm to 18mm diameter cables.
• 1 x PowerHawk2.
• 1 x Temperature sensor.
• 1 x spare sensor port.
• 1 x CD copy of Env-U, a client based application.
• 1 x set of 2m
interconnecting
patch cables from
the CL-Amp to
the PowerHawk2.
• 1 x instruction manual.
Product Features
CL-Amp
. 'Non-invasively' monitors standard 3 core single phase AC power cables [L, N & E], without the need to specifically identify and measure the live conductor only.
. Current measuring range 1.0 Amp to 60 Amps.
. Measured supply range: 90VAC ~ 250VAC. Frequency: 50Hz ~ 60Hz A.C.
. Size: 134mm x 88.5mm x 41mm, Weight: 135gm
. RS232 / RS485 communication link to the PowerHawk2 monitoring device, to provide SNMP data collection, monitoring, and configuration of the CL-Amp.
. RJ45 connector for direct connection to the PowerHawk2.
. 12V DC power supply @60mA (typically supplied direct from the PowerHawk2).
. Cable collars supplied to support: 8mm to 18mm diameter cables.
. Local LED display provides two digit readout.
. Can be calibrated to cable types to provide typically ±3% accuracy ampere current readings.
What the ‘Out of the Box’ Kit Provides
The CL-Amp kit is intended to supply an all in, one easy to install, solution providing
‘non-invasive’, real-time current monitoring functionality to non-intelligent power strips and measurement of A.C. currents on typical data centre power supply feeds rated up to 32A.
The PowerHawk2, as an ideal product that supports single cabinet power and environmental monitoring solutions using a single IP address, is the monitoring device of choice within the kit to provide the CL-Amp with power and a communication link. The ‘out of the box’ kit solution also provides, as standard, temperature monitoring, with the inclusion of a temperature sensor. The second sensor port on the PowerHawk2 has been left spare for the client to decide which additional sensor monitoring is most suitable for their application,
i.e. humidity, or an additional temperature sensor. The additional sensor can be retrofit
at any time.
To further enhance the ‘out of the box’ kit solution, a simple client software application, has been provided, known as Env-U. This desktop application will provide both a live and historical view of current, temperature and humidity data readings, in addition to providing simple trending information of the parameters monitored where basic management reports can be easily created and exported into Excel or CSV formats.
Component Parts of the Kit
CL-Amp
The CL-Amp is a unique innovative new product, designed and manufactured by Unite Technologies, to provide the urgently needed 'non-invasive' current monitoring solution into retrofit, legacy and new build data centres.
For the purpose of the 'out of the box' CL-Amp kit solution, the CL-Amp is powered by the PowerHawk2, which also provides the necessary communication link to the CL-Amp, allowing the measured electrical current to be read.
The CL-Amp enables the 'non-invasive' real-time monitoring of current for any device or power strip, rated up to 32A. Devised with an open fork in the high quality and robust plastic, it is placed directly over a power cable with a choice of locking ring collars to suit most international 13A, 16A and cable sizes provided.
Product Features
PowerHawk²
. SNMP agent optimised for rack management.
. HTTP/HTTPS web interface for management and power strip control.
. Support for 5 Network Management Stations (NMS) to access the unit.
. Allows up to two CL-Amps, monitoring amps.
. Allows up to two auto sense analogue input channels per cabinet, which can be any combination of temperature or humidity.
. All alarm thresholds can be user defined and configured through an easy to use web interface or managed via SNMP for configuration and monitoring.
. Optional display unit for monitoring sensor and power information outside the rack environment.
. LDAP login support.
. Real Time Clock (RTC) with battery backup.
Each locking ring separates into two halves and is placed around the power cable and pushed into the CL-Amp clamping bore, retaining the cable with a neat twist and lock action. A very lightweight device, it is designed to be installed at any convenient location on the cable.
Local and remote monitoring is achieved by connecting the CL-Amp to the Sinetica branded, PowerHawk2 monitoring device, with local monitoring via an integral LED display on
the CL-Amp. |
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PowerHawk2
As part of the ‘out of the box’ kit solution, it is the PowerHawk2 that is used to power the
CL-Amp and read the associated data. The PowerHawk2 is a cost effective monitoring
and control solution, which enhances the Unite Technologies family of Sinetica branded product portfolio.
The PowerHawk2 has specifically been designed with simplicity in mind, to provide single rack level power and
environmental monitoring, using a single IP address.
Ideal for single cabinet installations, the PowerHawk2 supports up to two CL-Amps, monitoring amps.
In addition, two environmental input sensors are supported, which can be any combination of temperature and/or humidity.
The PowerHawk2 allows up to 5 SNMP Network Management Station (NMS) addresses to access the unit. Alarm conditions will generate trap messages, which can be directed to a maximum of 10 specified management stations. SNMP alarm trap thresholds may be set on any of the input measured parameters, i.e. amps, temperature and humidity. |
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Env-U Client Application
Env-U is an ‘in-house’ developed client application, included as part of the ‘out of the box’ kit solution to provide both a live and historical view of current, temperature and humidity data readings, coupled with simple trending information of the parameters monitored, allowing basic management reports to be easily created and exported into Excel or CSV formats.
Product Features
Env-U Client Application
• Simple client based application.
• Uses standard SNMP protocol to support the PowerHawk2 device.
• Supports up to a maximum of 25 nodes. 1 PowerHawk2 = 1 node.
• Supports three types of sensor;
2 x CL-Amps and 2 x sensors.
• Polls devices and creates and logs SNMP traps as alerts.
• Live and historical view of data.
• Simple trending information and management reports. |
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The Env-U application is intended to collect the CL-Amp electrical current data and the temperature/humidity readings from the PowerHawk2 device. Using standard SNMP protocol, Env-U will monitor up to a maximum of 25 networked PowerHawk2 agents.
Three types of sensor are supported, namely:
• 2 x electrical current data readings from the CL-Amp.
• 1 x temperature sensor.
• 1 x spare sensor port for a humidity or second temperature sensor.
Figure 2.0 Env-U shows a historical view of temperature changes over a given time period.
Based on Microsoft .NET framework version 2.0, Env-U is capable of logging any SNMP alarms that are generated by the agent devices.The agent devices will be polled at regular intervals and the read data collected and stored in the applications database at one minute intervals, for a maximum of 186 days. In addition to the polling and capture of data, it is important for
Env-U to provide and log alarm messages as SNMP traps when user defined thresholds are exceeded.
Env-U is not a full SNMP Network Management Station. For large installations or if further feature sets are required, clients may upgrade to our Enterprise Device Management software application.
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