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Shark 50 Multifunction Electrical Power Meter
Electro Industries introduces an affordable 0.5% Class electrical panel meter. Featuring a bright red, 3-line LED display sized 0.56″ per line, this unit is designed to be installed in electrical panels and switchgear. The Shark 50 meter includes a unique anti-dither algorithm to improve reading stability, benefiting operators. The unit utilizes high speed DSP technology with high resolution A/D conversion to provide stable and reliable measurements. The Shark 50 meter is easy to use and install and is perfect both for new metering applications and as a simple replacement of existing analog meters.
The meter is designed for cost-effective industrial and commercial switchboard panels. It provides accurate measurement of every aspect of electrical power, and an RS485 Modbus output.
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Electro Industries, the leader in power monitoring and smart grid solutions, is looking for a Automation Test Engineer to assist the automation and manufacturing engineering team with the design and maintenance of automated PCB and power monitoring equipment.This position is located at our corporate office in Westbury, NY.
Duties & Responsibilities:
Qualifications and Experience:
Electro Industries, the leader in power monitoring and smart grid solutions, is looking for an Electronic Technician to troubleshoot electronic assemblies.
Duties & Responsibilities:
Qualifications and Experience:
Electro Industries, the leader in power monitoring and smart grid solutions is looking for an experienced Field Application Engineer to join our Engineering Support Team.
We take pride in the support we offer with our products and that support continually brings customers back to EIG. In this position you will work directly with customers providing technical assistance on the installation and operation of our products and software.
Duties & Responsibilities:
Qualifications and Experience:
Position requires approximately 20-50% domestic travel to client sites. Must be available to travel on short notice.
Must have a valid driver’s license and clean driving record.
Electro Industries, the leader in power monitoring and smart grid solutions is looking for an experienced Field Application Engineer to join our Engineering Support Team.
We take pride in the support we offer with our products and that support continually brings customers back to EIG. In this position you will work directly with customers providing technical assistance on the installation and operation of our products and software.
Duties & Responsibilities:
Qualifications and Experience:
Position requires approximately 20-50% domestic travel to client sites. Must be available to travel on short notice.
Must have a valid driver’s license and clean driving record.
All CTs should have a marking for orientation. Some have a white dot, some have a label others have some other marking. Make sure you check with the manufacturer if you are not sure. For most CTs with wires, there will be a white and black wire. In most but NOT ALL cases the white wire is the HI side and goes to the HI input on the meter. Black to LO. Again if you are not certain check with the supplier. For CTs with terminals, there should be a label on the HI terminal.
There are many symptoms you may see if the CTs are installed correctly. Mostly you will see things like negative watts in the Power readings. You may also see a reversal in the Energy Delivered and Energy Received registers. We can often look at the Phasor diagram and diagnose this issue. If you think you may have an issue send a phasor diagram to support@electroind.com and we will be happy to evaluate. We also need to know if you are connected as a Wye or Delta. Current and Voltage values will be normal since they only represent absolute values. If you have one CT oriented wrong, things like Total Energy will be in error because the energy in one phase will be subtracted from the energy in the other two phases.
Primarily there are two critical things to get correct. First is the orientation of the CT. All CTs have a marking like a white dot on one side. This should always be installed facing the power source. For a typical installation on a building or where you want to measure energy to a load, you want the white dot facing the utility company. In all cases all CTs MUST be installed in the same orientation. Second you need to wire the CTs to the meter with the HI side of the CT connected to the HI side on the meter and the LO side to the LO terminals on the meter.
YES. You should always use a shorting block for your CTs unless you are working with a system that can easily be powered down for maintenance. The outputs of a CT should always be shorted together when the system is energized. If current is not allowed to flow the CTs will heat up very quickly and be damaged. Shorting blocks allow you to change out a meter without shutting down the system and will protect the CTs from being damaged.
With the Nexus meters we mostly provide readings in secondary values. There are 2 ways to get to the primary values.
Shark meters are ideal for getting the energy readings for loads, generation and even mixed systems that generate part of the time and act like a load part of the time. A good example of the latter is a wind farm. When the wind is not blowing or the propeller is stopped, the wind generator will actually use energy to keep its transmission warm on cold days. Depending on how you have the meter configured and how you orient the CTs you will see energy accumulating in the RCD (Received) or DEL (Delivered) registers. For systems that have both, one value will show up as negative watt hours. The NET register is the sum of the two values in the RCD and DEL windows. The TOT register is the absolute value of the RCD and DEL registers added together. So, at the end of the month for our wind farm we might see +WH in the RCD window representing the energy that was generated and sent to the grid. We would see – WH in the DEL window representing energy used by the wind generator. The NET would be the sum of the two and this would be the energy that the power company would need to pay the wind farm for. The TOT would be the sum of WH in the DEL and RCD registers representing the total energy in the period.
The Shark 200 – INP100S doesn’t have gateway function thus it is not possible.
No. The webpage or webserver of the meter is read-only data.
Download the driver from this link:
https://www.electroind.com/Tech-Support/EIG/Drivers/IrDa%20Driver/sigmatel_win7/
Download and save the files into the same folder as the IrDA files.
To reset the energy, write the following command on modbus,
01069CA3xxxx
Where:
01 – is the meter modbus address
06 – Modbus write function
9CA3 – Modbus register in Hex format
xxxx – is the meter password, if not configured, use “15B3” in hex format. This is the default modbus password
From the Shark 200 Modbus Register Map, the Primary Readings Block Format is Float (or reverse float for most software settings) but for some software that doesnt have the Float format, Integer reads can be used by using the formula,
Modbus = (1st Shark Modbus register x 65536) + (2nd Shark Modbus register + 65536)/65536
Remember that the resulting modbus is expressed in secondary values so to convert into Primary readings use CT ratio for current, PT ratio for voltage and CT and PT ratio for Power.
The default configuration works only with initial meter device profile. This means the PT numerator and denominator and CT num are not changed. Once the CT and PT ratios are changed then you will need to program each channels with high and low output based on primary values of the CT and PT. Programming will need our Communicator EXT 3.0 software and the means to communicate to the meter.
The assumption for the Kh is correct. TV stands for “Test Voltage” or also the voltage input. the Kh unit is Wh/pulse and is expressed in secondary so you need to use the CT ratio and PT ratio to express it in primary. So for example, if the CT is 400/5 and has no PT (120/120) then the CT ratio is 80 and PT ratio is 1. So, the overall factor to be used to multiplied to the number of pulses counted by the PLC is
Factor = Kh x CT ratio x PT ratio = 0.500017776x80x1 = 40.00
So,
Energy consumption (kWh)= [Factor x No. of Pulses received] / 1000
Press the scroll down button to go to “W/VAR/PF” screen and then press the arrow right button once to lit the “MAX” LED on the left side. The phase A reading is your Max Demand Watts reading or Peak demand at 15 minute interval (default) settings.
No. You will need our CAB6490 IrDA dongle to do that. The dongle comes already with Windows 7 compatible driver and so driver installation is automatic. The important feature that makes it ‘Standard Modem Over Ir Link” is the most important feature for it to connect seamlessly to the meter using our Communicator EXT software.
Indeed, our electrical diagrams doesn’t show it because our current input terminals are already tied up to ground internally. So there’s no need to do it externally.
Yes the meter can be used for any single phase application (2 wire or 3 wire). The manual already have an example of the wiring diagram for Dual phase (3 wire) and single phase (2 wire). Please see pages 4-9 to 4-10 for the diagram.
At least one voltage input with a minimum 20 V AC must be connected in it to work. This is “bias” voltage and is necessary for the meter to work properly in CT measurement mode only.
The Power supply option D2 has a range of 90-265 V AC or 100-370 V DC so 277 V AC is about 5% higher than the rated voltage. When used at this higher voltage and in prolonged period of time will have great effect on the power supply that may cause the meter to break down early. It is recommended to seek an alternative 120 V AC regular plug or use a control power transformer to step down the voltage from 480 V to 120 V.
Electro Industries, the leader in power monitoring and smart grid solutions, is looking for experienced, technical, customer facing Outside Sales Engineers to join our Technical Sales Team.
In this position you will work as part of the regional sales team to qualify leads and work directly with customers to identify power monitoring projects and find solutions utilizing EIG’s power meters and energy management software. We are currently seeking a Sales Engineer to cover the Northwest Territory. Ideal location would be in the Seattle, WA vicinity.
Duties & Responsibilities:
Responsible for the integrity of company data, which is entered by a number of CRM users.
Qualifications and Experience:
Electro Industries, the leader in power monitoring and smart grid solutions, is looking for an Embedded Software Engineer to join our talented Engineering team. This position is located at our corporate office in Westbury, NY.
Duties & Responsibilities:
Responsible for the integrity of company data, which is entered by a number of CRM users.
Qualifications and Experience:
Electro Industries, the leader in power monitoring and smart grid solutions, is looking for a Hardware Design Engineer to join our Engineering team. This position is located at our Corporate office in Westbury, NY.
Duties & Responsibilities:
Responsible for the integrity of company data, which is entered by a number of CRM users.
Qualifications and Experience:
Full Time/ Direct Hire
Location: Work from Home – Night Shift
The global market leader in the Power Monitoring Market, is seeking Regional Sales Team Backend Staff, to support their current operations and promote future growth.
This position has an excellent salary package and is an immediate opening!
Reporting to a Regional Manager and Inside Sales Engineer, the Regional Sales Team Backend Staff is responsible for managing the Customer Relationship Management System on a day-to-day basis and keeping all the tasks for the team updated. The ideal candidate will be process-oriented, pay close attention to details, and have analytical thinking skills. Additionally, this role will require in-depth knowledge of internal sales, marketing and business processes. Must have excellent interpersonal skills. Must be willing to work at night and should have a quiet place to work from.
Essential Functions:
Responsible for the integrity of company data, which is entered by a number of CRM users.
Experience Required:
Thank you for your submission and we appreciate your interest in working for Electro Industries/GaugeTech. We will be reviewing all applications and invite the most qualified candidates for an interview.
Electro Industries, the leader in power monitoring and smart grid solutions is looking for an experienced Field Application Engineer to join our Engineering Support Team.
We take pride in the support we offer with our products and that support continually brings customers back to EIG. In this position you will work directly with customers providing technical assistance on the installation and operation of our products and software. We are currently offering positions in the vicinities of Richmond, VA area, San Francisco Bay area and Corporate headquarters in Westbury, Long Island.
Duties:
Skills/Qualifications:
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