Since 2004, ROZH, now RONDS, has focused on research and development of online condition monitoring equipment, possessing more than 50 proprietary intellectual property rights, providing a complete solution in the predictive maintenance field. In collaboration with universities and national research institutes the ROZH RH series, offers leading technology and outstanding performance in hand held predictive maintenance systems. Impact Instruments bring you the RH 711 single channel vibration analyser and the RH 802 dual channel version.
The RH711 Single Channel Vibration Analyzer, available in two versions, is a high performance, user friendly, inspection instrument, used for spot checking, on and off route analysis. In addition to vibration measurement, the unit has an integrated infrared temperature sensor, can be used to perform single plane balancing (when used with the tachometer option), on board processor for datalogging, waverform and spectrum analysis.
Model RH 711 C features :
- Dynamic vibration measurement - on or off route
- On route generation, uploaded from the MRS software, is a total maintenance package, not only does one have several, flexible, preloaded vibration settings to choose from but additional fields for management of ones operating conditions within the plant. (see more on the software below)
- Off route data collection allows for temperature measurement and flexible pre loaded vibration values to choose from as below :
- Data type: time domain waveform and spectrum( frequency is converted from time domain waveform)
- Signal type: acceleration, velocity, displacement and voltage
- Minimum frequency: 2Hz, 10Hz
- Maximum frequency: among 100Hz~10kHz
- Time domain sampling: 1024, 2048, 4096, 8192
- Lines: 400, 800, 1600, 3200
- Averages: 1
- Averaging type: Linearity, peak hold
- Window function type: Rectangle, Hanning
- Coupled modes: this option only exists under voltage signal; alternating and direct current are available.
- Notes: Users can add notes per point for quick identification on download.
- Records waveform and spectrum
- Can be used with RFID tags (optional extra)
- Integrated infrared thermometer
- Battery x 1
- Double ended USB cable x 1
- Charger x 1
- RH 103, 100mV/g accelerometer x 1
- Sensor cable, lemo to military pin x 1
- Magnetic base with screw x 1
- Instrument bag x 1
- Neck strap x 1
- Instrument manual x 1
- Carry case x 1
- MRS 3000, data analysis software x 1
Model RH 711 D features :
- In addition to the functions found in the RH 711 C, RH 711 D is Supplied with tachometer for RPM measurement and balancing
- Battery x 1
- Double ended USB cable x 1
- Charger x 1
- RH 103, 100mV/g accelerometer x 1
- Sensor cable, lemo to military pin x 1
- Cable adapter x 1
- Magnetic base with screw x 1
- RH 109, laser tachometer x 1
- Reflective tape x 1
- Instrument bag x 1
- Neck strap x 1
- Instrument manual x 1
- Carry case x 1
Items
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Specification
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Input
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CH1:Vibration(ICP accelerometer), voltage(±5V AC)
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Data acquisition parameters
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Frequency span:2~10kHz
Sampling frequency:Maximal 25.6KHz
Hardware Integral:integration, double integration
A/D conversion:16 bit
Harmonic distortion:<-70dB
Precision:±2%
Parameters:Sampling frequency,high pass filter,low pass filter,Sampling length
Waveform length:1024, 2048, 4096, 8192
Lines: 400, 800, 1600, 3200 Lines
Averaging:linearity, peak hold
Window function type: Rectangle and Hanning
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Internal infrared temperature detector
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Temperature range:0~300(℃)
Precision:±2%, ±2℃ Maximal
Emission rate:0~1 adjustable
Distance to spot ratio:30:1
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Single-Plane Dynamic Balance
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Balance method:method of influence coefficient
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LCD
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3.5 inches, 320×240 pixels, 260K true color
Electric resistance touch screen (not standard configuration, optional)
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Working environment
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temperature:-10~50℃
humidity:< 95% (without condensate)
protection grade IP54, dustproof, waterproof
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Charging time
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About 4 hours
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Working time
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working Time (Continuous) >10 Hours
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Storage capacity
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1GB
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Communication
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USB2.0
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Weight
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275g
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Key board
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21 keys
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iButton
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iButton 1990A
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Dimension
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height×width×depth:156×80×46(mm)
grip size(width×depth):52×28(mm)
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Enclosure
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IP 54
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Radio Frequency Indentification
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RFID, Frequency13.56MHz, Detection distance: within 3cm(not standard configuration, optional).
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Anti-explosion options
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Anti-explosion identification
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ExibIIBT3
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Model RH 802 features :
- Large 3.5" TFT LCD screen, simple flow chart operationg, compact and light weight
- 1gb storage capacity
- Wide frequency range (0~40KHz), high spectrum resolution ratio, can meet the requirement for precise and complex machinary (high-speed gear) analysis.
- Very flexible data acquisition parameters include high and low band pass filters, sampling length and sampling frequency,
- On or off route data acquisition can be stored by sequence number or by measure point number.
Comprehensive functions :
- Measures : velocity, acceleration and displacement
- Measures : RPM
- Single or dual channel channel waveform, spectrum, overall value and long waveform
- Measures XPM, cross-power spectrum, phase difference spectrum, and phase differencing
- Run up / coast down testing analysis for variable spped drives and start / stop of machinary
- On site dynamic balancing
- Bump testing
- Battery x 1
- Double ended USB cable x 1
- Charger x 1
- RH 103, 100mV/g accelerometer x 2
- Sensor cable, Lemo to military pin x 2
- Magnetic base with screw x 2
- RH 109, laser tachometer x 1
- Tachometer holder
- Reflective tape x 1
- Instrument bag x 1
- Instrument manual x 1
- Carry case x 1
- MRS 3000, data analysis software x 1
Items
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Specification
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Analog input
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Channels
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Channel 1:vibration(ICP accelerometer),Voltage(±21V AC or DC)
Channel 2:vibration(ICP accelerometer)、Voltage(±21V AC or DC),tacho
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Transducer
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Accelerometer, Velocity Pickups, Displacement Probes, voltage transducer
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Signal range
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±21V
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A/D conversion
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16 bit
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Analog measurement
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Integration
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once、twice integration
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Maximal analysis frequency
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40kHz(double channel Maximal: 20kHz)
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Sampling frequency
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256Hz – 102.4kHz
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Dynamic signal range
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96dB
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Precision
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1%( 0.1dB)
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Signal processing
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Configuration
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Sampling frequency, High band pass filter, low band pass filter, Sampling length, users can set any value as needed.
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Lines
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400, 800, 1600, 3200, 6400, 12800
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Time domain Sampling
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1024, 2048, 4096, 8192, 16384
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Window function type
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Hanning, Rectangle window
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Averaging
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Linearity, peak hold
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Averages
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1,2,4,8,16,32,64,128
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Analysis
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Long time domain waveform
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Maximal waveform is 10M, maximal analysis frequency of Dual-channel is 10KHz, maximal analysis frequency of single channel is 20K.
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Overall value
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Minimum interval: 0.1 sec
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Cross-phase measurement
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view cross-power and phase difference spectrum simultaneously
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Dynamic balance
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On site single or double plane dynamic balance by Influence coefficient method
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Coast up/down testing
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with or without order tracking
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Basic index
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LCD
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True color LCD, 320×240pixles, contrast adjustable
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Keys
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22 keys
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Communication
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USB, 600KB/s
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Storage capacity
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1G
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Communication
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USB 2.0
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Battery
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Rechargeable Li-ion battery, working Time (Continuous) >10 Hours, two channel working time >8 Hours
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Charging time
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About 4 hours
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Temperature
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(-10~50)℃
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Humidity
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95% RH without condensate
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Protection grade
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IP65
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Dimension
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190 X110 X50mm
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Weight
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660g
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MRS Software
Fields include :
- Dynamic measurement : Several preloaded settings to choose from, encompassing : velocity; displacement; acceleration; waveform
- Switch measure : Power; no power
- Process information measure : Quality;Length;Time;Temperature;Angle;Speed;Frequency;Pressure;Force;Flow;Electric current etc with associated units for each variable.
- Temperature measure : Temperature measurement with user settable threshold settings
- RPM measurement : Speed measurement with user settable threshold settings settings
- Observation measurement : Severity notations - normal; abnormal; damage
- Lubrication measurement : Refuel quantity and interval settings
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