Japan, Showa Sokki
SHOWA SOKKI 7200A Portable Balancer/Field Balancer
Made in Japan
Manufacturer: SHOWA SOKKI
Model: 7200A
Features
- You can use both photosensors and strobes for phase measurements.
It is possible to perform FFT analysis and print to the built-in printer. - This is a tracking filter type balancer and can also be used as a strobe type balancer without a rotation sensor.
- As a frequency analyzer, it has an FFT function and an automatic import function, and can print to the built-in printer.
- We have many achievements in balancing turbines in thermal power plants.
Also ideal for other large rotating machines. - The IRD 345 balancer was often used in power plants, but has been discontinued.
MODEL-7200A is compatible with it and made easier to use.
Composition
| Standard configuration | |
| Body Model-7200A | One |
| Select from electrodynamic detector MODEL-2009, B9200, I-544 | One |
| stroboscope | One |
| Extension cable for detector 30m (with drum) | One |
| shipping trunk | One |
| Reflective photosensor (optional) | One |
Specification
| Applicable vibration detector | Electrodynamic vibration velocity detector (Select from the following 3 types with a trim switch). ・ MODEL-2009: Sensitivity: 19.7 mV/mm/s Input resistance: 10 kΩ. ・ B-9200: Sensitivity: 19.7 m V/mm/s input Resistance: 10kΩ. ・I-544: Sensitivity: 42.5ｍV/mm/s Input resistance: 1MΩ. |
| Vibration detector input | Two inputs, A and B, can be selected. |
| Rotation signal input | 0 to 5V rise signal of 1 rotation 1 pulse For rotating display and phase reference of tracking filter. |
| AC OUT | Vibration waveform output ±2V/FS Output resistance 100 Ω. |
| Measurement display window | Digital LED display and lamp Rotational speed display: 500 to 10,000 rpm Resolution 1 rpm. FIL OUT vibration value display: Overall vibration value display. FIL IN vibration value display: Filter passing value during TRACKING or MAN.TUNE. display Phase angle display: 0 to 359 deg display Displays the phase angle from the rise of the rotation pulse to the positive peak of the vibration waveform of the rotation component. ・LOCK lamp: ON when synchronized with the rotation signal or internal oscillator. ・INPUT SEL lamp: Currently being measured display of input channel. ・Unit lamp : Any unit of acceleration, velocity, displacement is ON. |
| analog meter | Double scale of 0 to 1, 0 to 3 ・At FIL IN : Filter passing vibration value at TRACKING or MAN.TUNE is displayed. ・FIL OUT : Overall vibration value is displayed. |
| printer | Built-in thermal printer ・PRINT : Prints out the current measurement value at any timing. ・ANALYZE : Captures the vibration waveform, performs FFT, and prints out a graph and a list of peaks up to the top 5. ・AUTO LOG : Set conditions Print out the measured values of Ach and Bch by. |
| Vibration measurement frequency range | 10Hz to 200Hz (±0.5dB) |
| full scale range | (10dB step) Extension detector cable Displacement: 1, 3.16, 10, 31.6, 100 × 1/100mm (PP) full scale Velocity: 1, 3.16, 10, 31.6, 100 mm/s (Peak) full scale. ・Acceleration: 1, 3.16, 10, 31.6, 100 m/s 2 (Peak) full scale. |
| Strobe balancer function | (FILTER: MAN.TUNE) Emit light in the vibration phase filtered through the frequency of the internal oscillator as the center frequency (300 to 10,000 rpm). |
| Automatic capture print function | •Automatically captures vibration data by OR operation by setting rotation speed change pitch and time passage pitch, and prints it with time data. |
| Tracking filter function | (FUNCTION: TRACKING) Automatic tuning by tracking filter with rotation sensor signal. |
| power supply | AC100V ± 10V, normal 1A or less, 2A fuse used. |
| dimensions, mass | (W)300 × (H)123 × (D)230mm, 4.5kg. |
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