Guangzhou Landtek Instruments Co. Ltd. is one of leading professional manufacturers of meters and instruments in China.
Manufacturer & OEM
We can supply the following products:
*Ultrasonic Thickness Meter
*Coating Thickness Gauge
*Moisture Meter
*Vibration Meter
*Gloss Meter
Common Meter Reading Instrument (CMRI) is a handheld computer used to download data from electronic tri-vector meters, supporting different protocols like IEC, ANSI and PACT. CMRI is also compliant to IS-15959/ DLMS (IEC-62056) standard. CMRI can be interfaced with the portable printer for spot billing applications.
SANDS CMRI-1010 comes with LCD Graphical (3.5â?? TFT) & 15Line x 40 Characters visibility is rugged to withstand drop on to concrete and waterproof. CMRI is available with a memory size of 512 MB.
Features
Electronic reports for Static Tri-Vector Meter data
No manual intervention & error-free reports
Universal report generation irrespective of meter make
Reports affecting activities like energy accounting, technical loss. calculation & deriving industry load patterns
HT service meter reports in comparison to the respective Feeder Meter data
Consolidated consumer reports for quick reference for higher-level management
High Speed (HS) communication
Complied with Common DLMS S/W
ACCESSORIES
Optical Probes
Universal Probe for Multiple Protocols
Zero Powered Probes
USB type probe (USB 2.0)
Impact Printer
2 Inch paper width
High speed printing
Long ribbon life
RS-232/Bluetooth Interface
Overview:
The RT6103-S Single Phase Energy Meter Test Instrument (Split Type) adopts internationally advanced new-generation digital power source technologt, integrates all the technological advantages of both domestic and foreign watt-hour meter calibration software, and is introduced to global market by Rowwin Test in a powerful and sensational way. The single phase energy meter test instrument comprises of PWM power source, standard digital energy meter,error processor and PC processing software, this energy meter test instrument can test 3 to 60 various watt-hour meters of Grade 0.5 or lower simultaneously, also is an ideal new-generation multi-position energy meter testing instrument.
Technical Parameters:
1. Accuracy class: 0.1/0.05.
2. Reference standard energy meter£ºSingle phase wide-measurement range standard energy meter.(Accuracy class:0.1/0.05). Multi-path voltage transformer: Accuracy class:0.01; Rated load per path:10VA.
3. Voltage range:220v(240V option),Output range:0~125%,Resolution:0.01%full range.
4. Current measurement range:0.1~100A(200A option),Output range:0~120%,Resolution:0.0001A(minimum)
5. Phase angle:0~360¡ã,Resolution of phase angle setting:0.01¡ã.
6. Frequency:45Hz~65Hz,Resolution:0.01Hz.
7. Output waveform distortion:Both voltage and current<0.5%.
8. Output voltage,current and power stability:<0.05%.
9. Output capacity:Current:1,000VA(120A);Voltage:400VA(24 meter testing positions). If necessary,the maximum load can be extended to Current:1,800VA and Voltage:1,000VA.
10. Load characteristics:Resistive,inductive and capacitive(less than 4uF).
11. Starting current output:5mA(minimum);Accuracy:5%;Starting power:Accuracy 5%.
12. Energy meter testing positions:24/48 standard (3 ~60 meter positions also available).
13. Testing functions:Accuracy testing,Creep testing(no load testing),Starting up testing,Harmonic testing,Repeatability testing, Influencing testing,Dial testing and etc.
14. Input power supply:220VAC,¡À10%,50Hz;Max.power consumption:1,500VA(24 meter testing positions).
Dimension:
24 meter testing positions(1 rack): 2200*700*1920mm.
48 meter testing positions(2 racks): 2200*700*1920mm each.
Cabinet: 600*800*1600mm.
The RT6103F Anti-tamper Single Phase Energy Meter Test Instrument adopts internationally advanced new-generation digital power source technology, integrates all the technological advantages of both domestic and foreign watt-hour meter calibration software, and is introduced to global market by Rowwin Test in a powerful and sensational way. The Multi-function single phase energy meter test instrument comprises of PWM power source, standard digital energy meter, error processor and PC processing software, this energy meter test instrument can test 3 to 60 various watt-hour meters of Grade 0.5 or lower simultaneously, also is an ideal new-generation multi-position energy meter testing instrument.
Technical Parameters:
1. Accuracy class: 0.1/0.05
2. Reference standard energy meter£ºSingle phase wide-measurement range standard energy meter.(Accuracy class:0.1/0.05)Multi-path voltage transformer: Accuracy class:0.01; Rated load per path:10VA
3. Voltage range:220v(240V option),Output range:0~125%,Resolution:0.01%full range
4. Current measurement range:0.1~100A(200A option),Output range:0~120%,Resolution:0.0001A(minimum)
5. Phase angle:0~360¡ã,Resolution of phase angle setting:0.01¡ã
6. Frequency:45Hz~65Hz,Resolution:0.01Hz
7. Output waveform distortion: Both voltage and current<0.5%
8. Output voltage, current and power stability:<0.05%
9. Output capacity:Current:1,000VA(120A);Voltage:400VA(24 meter testing positions)If necessary ,the maximum load can be extended to Current:1,800VA and Voltage:1,000VA
10. Load characteristics: Resistive, inductive and capacitive(less than 4uF)
11. Starting current output:5mA(minimum); Accuracy:5%;Starting power: Accuracy 5%
12. Energy meter testing positions:24/48 standard ;3 to 60 meter positions also available
13. Testing functions: Accuracy testing for Phase loop & Neutral loop, Creep testing(no load testing),Starting up testing, Harmonic testing, Standard deviation testing ,Influencing testing, Dial testing, Repeatability testing, Neutral cut off testing and etc.
14. Input power supply:220VAC,¡À10%,50Hz;Max power consumption:1,500VA(24 meter testing positions).
15. Online calibration can be conducted on 1P2W single loop watt-hour meter and also offline calibration on the three kinds of loop can be performed such as 1-2,4-3,1-2-4-3(or 1-4,3-2,1-4-3-2).
Dimension:
24 Meter testing positions(1 rack): 2200*750*1920mm.
48 Meter testing positions(2 racks): 2200*750*1920mm.
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The RT6303-S Three Phase Energy Meter Test Instrument(Split Type) adopts internationally advanced new-generation digital power source technologt,integrates all the technological advantages of both domestic and foreign watt-hour meter calibration software, and is introduced to global market by Rowwin Test in a powerful and sensational way.The Three phase energy meter test instrument¡¯s power source uses MCU single chip microprocessor as its core technology and adopts various techniques as digital synthesis,digital frequency modulation,digital amplitude modulation,digital phase-shifting,pulse width modulation and so on to bring you such important features as high reliability and good load characteristics.Its more humane and intelligent meter calibration software makes it possible for an ordinary,heavy and boring calibration to be carried out more easily and efficiently.
Technical Parameters:
1. Accuracy class: 0.1/0.05
2. Reference standard energy meter: Three phase wide-measurement range standard energy meter,Accuracy class:0.1/0.05
3. Output voltage: 3* 57.7/100/220/380V Y/¡÷,0~120%Adjustment fineness:0.01% full range,adjustable phase by phase
4. Output current: 3* 0.1~100A(200A also available),0~120%Adjustment fineness:0.0001A(minimum),adjustable phase by phase
5. Phase shift:0~360¡ãAdjustment fineness:0.01¡ã,adjustable phase by phase
6. Frequency:45Hz~65Hz,Adjustment fineness:0.01Hz
7. Output waveform distortion:Both voltage and current<0.5%
8. Output voltage,current and power stability:<0.05%(180s)
9. Output capacity(per phase): Current:650VA(120A); Voltage:300VA(16 meter testing positions). If necessary,the maximum load can be extended to Current:1,200VA and Voltage:800VA
10. Load characteristics:Resistive,inductive and capacitive(less than 4uF)
11. Harmonic wave output:2-21st sub-harmonic wave,content<40%; 3rd,5th and 7th sub-harmonic waves are superposed,content<10% each;Control of wave group(sub-harmonic wave)
12. Energy meter testing positions:16/32(standard);3~40 meter testing positions also available
13. Testing functions:Accuracy testing,Creep testing(no load testing),Starting up testing,Harmonic testing,Repeatability testing, Influencing testing,Dial testing and etc.
14. Power supply: AC 3*220/380V¡À10%,50Hz(customer define);Max. power consumption:2000VA(16 meter test positions).
Dimension:
16 meter testing positions(1 rack): 2200*700*1920mm
32 meter testing positions(2 racks): 2200*700*1920mm each
Cabinet: 600*800*1920mm.
Digital Dew Point Meter RTM2610
1.Introduction:
It is a high-accuracy professional dew point meter. It is able to measure Ambient Temperature, Dew Point Temperature, Wet Bulb Temperature, Relative Humidity, Absolute Humidity and PPM. It can quickly respond to temperature and humidity measurements in the industrial range. It is also capable of measuring temperature and humidity in a variety of complex environments. Widely used in laboratories, precision manufacturing, modern agriculture, meteorological measurement, chemical and pharmaceutical fields.
2.Features:
Large LCD with display. It can display three values at the same time.
Ambient Temperature measurement.
Dew Point Temperature measurement.
Wet Bulb Temperature measurement.
Relative Humidity measurement.
Absolute Humidity measurement.
PPM measurement.
Temperature unit (C/F).
0.01 resolution, High accuracy.
Maximum and minimum values display.
With the displayed values hold function.
Automatically power off.
3.Specifications:
Display: Backlit LCD
Test Parameters: Ambient Temperature, Dew Point Temperature, Wet Bulb Temperature, Relative Humidity, Absolute Humidity, PPM
Range: Ambient Temperature: -30~120�°C (-22~248�°F)
Relative Humidity: 0~100%RH
Dew Point Temperature: -45~120�°C (-49~248�°F)
Wet Bulb Temperature: -20~40�°C (-4~104�°F)
Absolute Humidity: 0~400g/m�³
PPM: 0~50000
Resolution: Ambient Temperature: 0.01, 0.1
Relative Humidity: 0.01
Dew Point Temperature: 0.01, 0.1
Wet Bulb Temperature: 0.01, 0.1
Absolute Humidity: 0.01, 0.1
PPM: 1
Temperature Unit: C/ F
Operating Conditions: Temperature: 32~122 F (0~50 C); Humidity:
Portable Three-phase Standard Meter is a portable reference standard meter used to test three phase meters and single phase meters, it designed to work both in the and in the laboratory.
The GF302D3 portable three phase energy meter test bench consists of an integrated three phase 120A current source and 600V voltage source and a class 0.02 three phase electronic reference standard meter.
The energy meter test bench is particularly designed for analysis of complete metering installations and local mains conditions. The meter test bench offers high functionality combined with an excellent menu guided operation via built-in thirty keys and colored 7 touch LCD-display. It can auto & manual test all kinds of energy meter error. Using on site or in the laboratory. It can preset a variety of test schemes for testing energy meter.
Portable Three-phase Standard Meter is a portable reference standard meter used to test three phase meters and single phase meters, it designed to work both in the eld and in the laboratory.
Our Electromagnetic Flow Meter accurately measures the flow rate of conducting liquids or slurries flowing in closed pipes. Due to simple and right design the Electromagnetic Flow Meter is an obstruction-less & maintenance-free instrument in place of conventional mechanical flow measuring device. The use of "Pulsed DC" technology offers highest ability & better measuring accuracy in form of 4-20 mA DC linearly proportional to volumetric flow
Features :
Size DIN 10 to DIN 3000 NB pipe line.
High Accuracy better than + 0.5% of reading.
Zero pressure drop.
Suitable for high viscosity conductive liquids.
Digital flow rate / Totalizer Indication / Batching system
Isolated Transmitting Output 4-20 mA.
No Grounding Rings require.
Minimum Upstream & Downstream straight length.
Compact & Rugged, IP 65 protection.
Remote flow indication totalizer / Batching system
Data Logging & Wireless Data Transfer System through GSM Modem
Applications :
Effluent Treatment Plants.
Sewage Treatment Plants.
Water supply schemes.
Steel & aluminum.
Pulp & Paper.
Chemical & Fertilizers.
Food & Drug.
Pumps & valve calibration lab.
Dairy Industry.
Corrosive liquids.
Sugar industry.
Sugar Industry.
Textile and printing textiles
Hotels & Resorts
Water parks
Buildings & Infrastructure
Municipal corporation
GF312B portable three phase energy meter calibrator with printer is used to calibrate three phase, single phase, active and reactive energy meters error. The instrument has a micro printer and portable design. It is very suitable for on-site calibration of electric energy meters.
Feature:
1.accuracy:0.05%,0.1%,0.2%
2.Test range:0-600V;
3.With printer
4.Harmonic:2-64times
5.Weight: 12kg
6.IP65
The portable Three-phase standard power source is suitable for metering departments, power distribution terminals, power management, reactive power compensation devices and enterprise production.
Electrical equipments in modern industrial, commercial and residential users are more sensitive to power quality, and have a higher requirement of quality of power supply. Currently, harmonics,electromagnetic interference, power factor reduction have been tied to the three hazard of the power system.
When it is interfered or contaminated, grid power quality can t reach the national standards, so it has to be targeted on the grid power quality improvement. To understand the actual situation of power quality, you must have the appropriate equipment to test and analysis the actual situation. Counter the domestic condition, our company developed the professional power quality analysis instrument, which is suitable for the country.
3 phase handheld power quality analyzer Technical index
GF112D is a single-phase handheld electronic meter test unit in accuracy class 0.1or 0.2, used for testing single phase electricity meters error on site. Wide measurement range from 1mA to 120A and 0 to 300V, and also can be used to test alternating current parameters - voltage, current, active power, reactive power, apparent power, harmonics, phase angle, power factor, frequency, energy etc.
Demonstrates the working and optical arrangement of simple optical instruments. Complete with lenses, mounted vertically on the board with a ray diagram printed to give an idea of their work. Different models available are
LO-6205 Galilean Telescope
LO-6205 Â Astronomical Telescope
LO-6205 Terrestrial Telescope.
LO-6205 Compound Microscope
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