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Ramkrishna Iron Works Pvt. Ltd.
location Marine Drive, Mumbai, Maharashtra

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Our Products

  1. Testing Equipments 5 Products available
  2. Sensors 3 Products available
  3. Weather Instruments 3 Products available
  4. Data Loggers 3 Products available
  5. Anemometer 2 Products available
  6. Gps Tracking Device 2 Products available
  7. Measurement Gauges & Fittings 1 Products available
  8. Solar And Renewable Energy Products 1 Products available
  9. Others Products 3 Products available

Data Loggers

Leading Manufacturer, Supplier & Retailer of PLUS 3 Data Logger, Data Loggers and Data Logger.

PLUS 3 Data Logger

PLUS 3 Data Logger
  • 15 channel Internet-enabled micropower wind energy data logger Wind resource assessment Turbine power performance verification
  • 1 second 10 minute fixed
  • Internal battery-backed with leap year correction, 2000 to 2099 128MB NRG formatted SD Card, non-volatile FLASH
  • 672 files 0.1% of full scale (1024 counts)
  • 0.4% of the value stored 4% of the value stored
  • Injection molded black ABS White elastomer dome keypad
  • Fiberglass-epoxy terminal board, sealed gold plated pins, zinc plated screws and terminals Weatherproof polycarbonate

Data Loggers

Data loggers are the core component of RNRGs complete system approach to wind and solar measurement applications. Data are collected from readings of meteorological sensors and other devices and then stored in our loggers for either manual retrieval or automated delivery to the location of your choice.

SymphoniePLUS3 Data Logger

SymphoniePLUS3 is a proven 15-channel data logger tailored for wind resource assessment.

Engineered to work seamlessly with our towers and sensors, SymphoniePLUS3 reliably collects and safely stores data in all weather conditions.

The innovative design of SymphoniePLUS3 allows you to log time-stamped data from up to 15 sensors. Six counter (anemometer) channels and two analog wind direction channels are built-in, while three flex channels and the remaining four analog channels allow for numerous sensor configuration options depending on the requirements of your particular measurement campaign.

Data is sampled every second, averaged and time-stamped every 10 minutes, and stored on anSD Card, 128MB. A real-time display and keypad are built into the logger to facilitate site visits. Stored data from the SymphoniePLUS3 can be routinely delivered anywhere in the world using the Symphonie iPackGPS communications and power supply module.

Our next generation data logger, theSymphoniePRO Data Logger, is available for renewable energy professionals requiring more advanced features and flexibility.

Note: A Symphonie iPackGPS provides the necessary 12V power source necessary for several RNRG sensors:

  • RH5X Relative Humidity Sensor
  • BP20 Barometric Pressure Sensor
  • Tipping Bucket Rain Gauge
  • RNRG 40H Anemometer

For sites where remote communication is not needed, use a Symphonie iPack Power Only.

Benifits Universal Anemometer Compatibility

Six counter channels:

  • Accommodate a range of anemometers, including:
    • WindSensor P2546-OPR Anemometer
    • Thies First Class Advanced Anemometer
    • RNRG Class 1 Anemometer
    • RNRG 40C Anemometer
    • The brand of your choice
  • Do not require SCM cards
Customizable Channels

Three flex channels:

  • Can be used as either analog or counter sensor inputs
  • Configure automatically based on theSymphonie SCM Cardinstalled
  • Allow for numerous sensor configuration options
Streamlined Data Collection

Advanced data logging:

  • Features one-second sampling (conforms to IEC 61400-12-1)
  • Averages data over a 10-minute period
  • Writes data to an SD card on an hourly basis
  • Includes Symphonie Data Retriever (SDR) software
Password Protected Access

Unauthorized user lockout prevents access to logger via the keypad.

Automated Data Transfer

SymphoniePLUS3 interfaces with your choice of Symphonie iPackGPS communications and power modules, which transfer data via third-party cellular or satellite services. When SymphoniePLUS3 is deployed with an iPackGPS, site visits to retrieve the SD card data become unnecessary; the data is automatically transferred through your assigned Internet Service Provider (ISP) via email. Additionally, SymphoniePLUS3 can be integrated into SCADA networks and deliver data over MODBUS protocol using the iPackACCESS communications module. All iPacks are designed to be "plug and play, requiring only minimal hardware configuration. Browse iPack options on theData Logger Accessoriespage.

Description
Instrument type 15 channel Internet-enabled micropower wind energy data logger
Applications
  • Wind resource assessment
  • Turbine power performance verification
Sensor compatibility - counter channels
  • NRG Systems #40C anemometer or compatible
  • NRG Systems Class 1 anemometer
  • Opto anemometer
  • Reed switch anemometer
Sensor compatibility - analog channels
  • NRG Systems #200P direction vane
  • NRG Systems #110S temperature sensor
  • Li-Cor #200SZ pyranometer
  • NRG Systems #BP20 absolute pressure (requires optional iPack power)
  • NRG Systems RH-5X relative humidity (requires optional iPack power)
Data Collection
Counter channels Channels 1-3 and 13-15 are always counter inputs supporting:
  • NRG Systems #40C anemometer or compatible
  • NRG Systems Class 1 anemometer
  • Opto anemometer
  • Reed switch anemometer

    Maximum counter input frequency is 2500 Hz
Analog channels Channels 7-12 are always analog inputs:
  • Channels 7 and 8 dedicated for NRG Systems #200P direction vane
  • Channels 9-12 use analog Signal Conditioning Modules (SCMs) to configure each channel for a particular sensor
Flex channels Channels 4-6 are 'Flex' Channels
  • Analog or Counter
  • Accept Signal Conditioning Modules (SCMs) to configure the channel for a particular sensor type
Sampling interval 1 second
Averaging interval 10 minute fixed
Real time clock Internal battery-backed with leap year correction, 2000 to 2099
Storage medium 128MB NRG formatted SD Card, non-volatile FLASH
Maximum data storage 672 files
File format
  • Windows compatible
  • One (1) 14KB binary file per day
  • Header includes site, serial number, and sensor information
Software Symphonie Data Retriever (SDR) for Windows
  • Scales raw data
  • Creates measurement database for each site
  • Creates basic reports
  • Maintains site and sensor information
  • Configures iPacks
Reader Windows compatible SD Card reader
Parameters recorded for each channel
  • Each data interval is time-stamped
  • Average
  • Standard deviation
  • Min*
  • Max*

    * Min and Max not used for wind direction vanes
Data delivery
  • SD Card
  • Internet email via GSM, CDMA, or Iridium Satellite with optional iPack
Resolution
Analog measurement resolution 0.1% of full scale (1024 counts)
Counter average stored resolution 0.1% of the value stored
Analog average stored resolution 0.1% of the value stored
Min / Max stored resolution 0.4% of the value stored
Standard deviation stored resolution 4% of the value stored
Configuration
User interface
  • Liquid Crystal Display (LCD) 4 x 20 characters
  • 16 key pad (6 navigation keys plus numeric/phone pad) with audible feedback
Configurable parameters
  • Clock
  • Time zone
  • Site number
  • Display scaling (defaults are provided for each channel based on the channel type)
iPack options
  • iPack configured via serial port connection to your PC
  • Serial connection direct to iPack or through logger's iPack access port
  • Symphonie Data Retriever for Windows integrates iPack settings
Connections
Sensor wiring
  • Sensors connected to field wiring panel
  • Field wiring panel plugs into logger
  • Ground stud connects to earth ground with included ground cable
Expansion slots
  • Three (3) SCM slots accept analog or counter SCMs
  • Four (4) SCM slots accept only analog SCMs
Communication ports
  • Male DB25 interfaces to one optional iPack communications module
  • iPack access port provides a connection to the iPack programming port without dismounting the iPack or logger
Power requirements
Batteries Two (2) 1.5 Volt D-Cell Batteries (included)
  • Nominal voltage: 1.5 Volts
  • Minimum voltage: 0.9 Volts
  • Battery life approximately one year, depending on configuration
External power input Provided by any iPack
External solar input Provided by any iPack
Other Optional iPacks provide 12V power required by some sensors. PV/Battery only iPack provides power to sensors and logger for stand alone configurations.
Installation
Mounting
  • Mounts with 4 bolts (included) to keyed slots inside of metal shelter box
  • Shelter box attaches to tower with hose clamps
Tools required
  • Screwdriver for input terminals (included)
  • 8 mm (5/16 inch) wrench or nut driver for logger mounting screws and logger ground nuts
Environmental
Operating temperature range -40 °C to 65 °C (-40 °F to 149 °F)
Note: display readable -30 °C to 55 °C (-22 °F to 130 °F)
Operating humidity range 0 to 100% RH non-condensing
Physical
Weight 1.3 kg (2.6 pounds), including batteries
Dimensions (Including Field Wiring Panel) 22.2 cm height, 18.8 cm width, 7.7 cm depth (8.7 x 7.4 x 3.0 in.)
Materials
Faceplate Injection molded black ABS
Buttons White elastomer dome keypad
Wiring panel Fiberglass-epoxy terminal board, sealed gold plated pins, zinc plated screws and terminals
Enclosure Weatherproof polycarbonate





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Data Loggers

Data Loggers

Data loggers are the core component of RNRGs complete system approach to wind and solar measurement applications. Data are collected from readings of meteorological sensors and other devices and then stored in our loggers for either manual retrieval or automated delivery to the location of your choice.

GENERAL
Model SymphoniePLUS®3 SymphoniePRO®
Description Reliable and economical; tailored to wind resource assessment User-friendly yet flexible; powerful measurement technology for the renewable energy professional
Applications Wind and solar assessment, monitoring, and forecasting Wind and solar assessment, monitoring, and forecasting
MEASUREMENT CAPABILITY
Total Channel Capacity 15 channels 26+ channels
Serial N/A 2 x RS-485 ports
Counter Channels • 9 channels: 6 built-in, 3 flex
• Wide range of industry-standard anemometers; SCMs required after six sensors
• Accumulator output (e.g. Tipping Bucket Rain Gauge); SCM required		 • 12 channels
• Wide range of industry-standard anemometers; no interface cards required
• Accumulator outputs (e.g. Tipping Bucket Rain Gauge); no interface cards required
• Other signals up to 2,500 Hz
Analog Channels • 7 channels: 4 built-in, 3 flex
• Wide range of industry-standard analog sensors
• Fixed deadband compensation for RNRG 200P wind vane on ch. 7-8		 • 14 channels: 7 built-in, 7 P-SCM
• Wider range of industry-standard analog sensors
• Configurable deadband compensation (compatible with wider range of wind direction vanes)
• True differential measurements (e.g., for pyranometers)
Analog Measurement Resolution 10-bit A/D conversion 16-bit A/D conversion
DATA COLLECTION
Sample Rate 1 Hz 1 Hz
Averaging Interval 10-minute; fixed User-selectable (10-minute default)
Data Storage SD Card (128 MB) Redundant storage via:
• Internal Flash memory (8 MB)
• SD card (512 MB and 2 GB options available)
 
Statistics Recorded per Channel • Average
• Standard deviation
• Minimum/Maximum 1-sec sample
• Sum for totalizer inputs		  • Average
• Standard deviation
• Minimum/Maximum 1-sec sample
• Maximum 3-sec gust with direction
• Sum for totalizer inputs
1 Hz Sample Data Storage N/A Yes
Time Synchronization SNTP Internet Time Server GPS and/or SNTP Internet Time Server
Data Security
  • Keypad lockout access PIN
  • Data encryption PIN
 • Logger access PIN with 2-day lockout after 8 failed attempts
• 128-bit file encryption with user-specified password
COMMUNICATIONS
iPackGPS Compatibility • Cellular (GSM/GPRS, 3G GSM, and CDMA)
• Iridium satellite
• iPackACCESS		 • Cellular (GSM/GPRS, 3G GSM, and CDMA)
• Iridium satellite coming soon
• iPackACCESS coming soon
SCADA/MODBUS Capability Yes, via iPackACCESS Coming soon
Remote Firmware Upgrades iPack only, via iPack POP3 inbox Logger and iPack, via real-time MetLink connection
Remote Configuration Changes Yes, via patch file emailed to iPack POP3 inbox Yes, via real-time MetLink connection
Remote Live Data No Yes, via real-time MetLink connection

























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Data Logger

Data Logger
  • 26 channel internet-enabled micropower data logger for the renewable energy industry Wind and solar resource assessment, power performance monitoring, and forecasting
  • Symphonie iPackGPS Communication + Power Modules (GSM/GPRS, 3G GSM, CDMA) 1 Hz (IEC 61400-12-1 compliant)
  • 10-minute by default; user-selectable alternatives (1, 2, 5, 10, 15, 30, and 60 minutes) Internal battery-backed with GPS or internet time synchronization (with iPackGPS)
  • User-selectable storage of statistical data with optional storage of raw (1 Hz) sample data 8 MB internal flash memory Options for either 512 MB or 2 GB SD card 12 counter channels 14 analog channels: 7 built-in, 7 configurable with signal conditioning modules (P-SCMs) Two (2) RS-485 communication channels, each full or half duplex with support for up to 6 devices

SymphoniePRO Data Logger

An advanced, 26-channel data logging system, SymphoniePRO is purpose-built for the renewable energy professional.

As the newest data logger in the Symphonie series, SymphoniePRO brings significant upgrades in terms of capability and flexibility while building on the unparalleled foundation that is the Symphonie product linea series of application-specific and user-friendly data loggers.

System Overview

SymphoniePRO is a low-power, industrial-grade data logging system that is specifically designed for conducting resource assessments for the renewable energy industry. Each of the 26 channels statistical values are calculated from continuous 1-second data samples and averaged over a user-selectable interval (10-minute default). Collected data are stored efficiently as binary *.RLD files on internal Flash memory with a redundant copy on an external SD card, if installed.

Data are transferred and the system is powered via our existing Symphonie iPackGPS communications devices, which only require a firmware upgrade for compatibility with the new data logger. In addition to SMTP email data delivery, SymphoniePRO allows remote, real-time connection capability over our MetLink protocol for tasks like automated or manual data download, firmware upgrades, live data viewing, or configuration changes.

The SymphoniePRO Desktop Application is a modern and intuitive PC software package used to process raw data files as well as configure and communicate with the SymphoniePRO logger and iPack. SymphoniePRO Desktop Application keeps track of site data and produces versatile tab-delimited text files (ASCII) compatible with industry-leading software. Additionally, the software allows the user to view live data, apply firmware updates to loggers and iPacks, and preview data files in time series format.

Data Collection
Sampling interval 1 Hz (IEC 61400-12-1 compliant)
Averaging interval 10-minute by default; user-selectable alternatives (1, 2, 5, 10, 15, 30, and 60 minutes)
Real time clock Internal battery-backed with GPS or internet time synchronization (with iPackGPS)
Storage medium
  • User-selectable storage of statistical data with optional storage of raw (1 Hz) sample data
  • 8 MB internal flash memory
  • Options for either 512 MB or 2 GB SD card
Channel Capacity
  • 12 counter channels
  • 14 analog channels: 7 built-in, 7 configurable with signal conditioning modules (P-SCMs)
  • Two (2) RS-485 communication channels, each full or half duplex with support for up to 6 devices
Counter Channels Sensor Compatibility Compatible with a wide array of industry-standard anemometers including:
  • RNRG 40C, Class 1, or compatible sine wave anemometers
  • Opto anemometers
  • Reed switch anemometers
  • Other frequency signals up to 2,500 Hz, 12 V excitation is provided by logger
    Includes totalizer mode for Tipping Bucket Rain Gauge and other accumulator sensors
Analog Channels Sensor Compatibility Compatible with a wide array of sensors including:
  • RNRG standard analog sensors (200P Wind Direction Vane, 110S Temperature, BP20 Barometric Pressure, RH5X Relative Humidity, etc.)
  • Industry-standard pyranometers (Li-Cor LI-200SZ, Hukseflux LP02, SR11, SR12, SR20, Kipp & Zonen CMP3, CMP11, CMP21)
    Wide range of other compatible sensors, individually verified upon request
  • Built-in channels 13-15: 0 to 5 V Analog; 2.5 or 5 V excitation; no P-SCMs required
  • Built-in channels 16-19: 0 to 5 V Analog; 5 or 12 V excitation; no P-SCMs required
  • P-SCM Channels 20-26 (signal range dependent on individual P-SCM card)
Analog Measurement Accuracy 0.04% of full scale
RS-485 Channels Sensor Compatibility Contact RNRG to discuss support for specific model types
Parameters recorded for each channel
  • Average
  • Standard Deviation
  • Minimum / Maximum 1-sec sample
  • Maximum 3-sec gust with direction
  • Sum for totalizer inputs
    Note: Statistics reported on each channel dependent on measurement type
Data delivery
  • Automated delivery via iPackGPS (GSM/GPRS, 3G GSM, CDMA)
  • Direct live connection through iPackGPS (GSM/GPRS, 3G GSM, CDMA)
  • USB connection
  • Read from SD card
Security
  • Logger access PIN with 2-day lockout after 8 failed attempts
  • 128-bit data file encryption with user-specified password
Resolution
Analog measurement resolution 16-bit A/D conversion (76 uV resolution across 5 V range)
Software
Type Windows (XP or later) compatible application
Capabilities
  • Import data files
  • Output tabular text files
  • Configure SymphoniePRO data loggers and Symphonie iPacks
  • Store configuration files for repeat programming
  • View live data including diagnostics via remote connections
  • Manage automated connections
  • Administer firmware updates to SymphoniePRO data loggers and Symphonie iPacks
  • Integrate with enterprise-level programs via command line mode
  • Includes integrated map and exports KML files
Configuration
User interface
  • Symphonie Desktop Application
  • LCD with 16 button keypad with audible feedback
Configurable parameters
  • All parameters configured with PC using SymphoniePRO Desktop Application through MetLink connection (USB or TCP/IP)
Connections
Sensor wiring
  • Sensors connected to wiring panel
  • Field wiring panel mounted in shelter box connected to logger via interconnect cable
  • Ground stud connects to earth ground with included ground cable
Expansion slots Seven (7) signal conditioning module slots accept analog P-SCMs
Communication ports
  • Dedicated USB-B port on logger faceplate for configuration
  • Dedicated male DB25 interfaces to one optional iPack communications module
  • Two (2) RS-485 serial communication ports on wiring panel
Power requirements
Batteries
  • Two (2) 1.5 volt D-Cell batteries (included with logger)
  • iPackGPS equipped with PV provides autonomous power to data logger when connected, making D-Cell batteries back up power (nominal configuration)
External power input Provided by any iPackGPS
External solar input Provided by any iPackGPS
Installation
Mounting
  • Logger and iPackGPS attach to logger mounting bracket; Keyed slots allow for easy installation/removal in shelter box
  • Wiring panel mounts separately to shelter box back plate with four (4) Phillips 10-32 x 0.5 in. screws
Tools required
  • Screwdriver for wiring input terminals (included)
  • 8 mm (5/16 in.) wrench or nut driver for mounting screws and logger ground lug
Environmental
Operating temperature range -40 °C to 65 °C (-40 °F to 149 °F)
Operating humidity range 0 to 100% relative humidity non-condensing
Physical
Weight 1.3 Kg (2.6 lbs) including batteries
Dimensions
  • Logger = 22.2 cm x 18.7 cm x 7.4 cm (8.7 in. x 7.4 in. x 2.9 in.)
  • Wiring panel = 30 cm x 12 cm x 5 cm
  • 40.6 cm (16 in.) interconnect cable
Materials
Wiring panel Formed aluminum enclosure, zinc-plated screws and terminals
Enclosure Weatherproof polycarbonate



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