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| Brand | Zhongruixiang |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China) |
| Model | ZRX-29212 |
| Price | USD 28.50 (FOB) |
| Vibration Acceleration Range | 0.1–205.6 m/s² (peak) |
| Velocity Range | 0.1–400.0 mm/s (RMS) |
| Displacement Range | 0.001–9.000 mm (p-p) |
| Frequency Range Options | 10–200 Hz / 10–500 Hz / 10–1 kHz / 10–10 kHz |
| Vibration Accuracy | ±5% |
| Spectral Resolution | 0.25 Hz |
| RPM Measurement | 30–300,000 rpm (5–5 kHz) |
| RPM Accuracy | ±(0.05% + 1 count) |
| Operating Temperature | 0–40 °C |
| Relative Humidity | ≤80% RH |
| Display | 320 × 200 pixel TFT color LCD |
| Data Storage | 800 measurement records + 100 spectral plots |
| Communication | Mini-USB |
| Built-in Thermal Printer | Yes |
| Battery | 1500 mAh Li-ion, 50 h continuous operation |
| Dimensions | 212 × 80 × 35 mm |
| Weight | 320 g |
| Brand | Zhongruixiang |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | ZRX-17991 |
| Price | Upon Request |
| Eyepiece Magnification | 12× |
| Optical Lever Magnification | 80× |
| Total Optical Magnification | ≈1000× |
| Scale Division Value | 0.001 mm |
| Apparent Scale Interval in Field of View | ≈1 mm |
| Scale Range | ±0.1 mm |
| Plunger Free Travel | ≈0.4 mm |
| Measuring Force | 200 g ±20 g |
| Optical Tube Mounting Diameter | 28d mm |
| Zero Adjustment Range | ±0.01 mm |
| Measurement Length (without projector) | 180 mm |
| Measurement Length (with projector) | 120 mm |
| Distance from Column Edge to Platform Center | 115 mm |
| Instrument Uncertainty | ±0.00025 mm |
| Indication Stability | 0.0001 mm |
| Measurement Uncertainty | ±(0.5 + L/100) µm |
| Adjustable Circular Stage Diameter | 88 mm |
| Fixed Square Stage Dimensions | 142 × 130 mm |
| Fixed Small Round Stage Radius | R20 mm |
| Fixed Small Flat Stage Diameter | 8 mm |
| Reflector Diameter | 50 mm |
| Brand | Zhongruixiang |
|---|---|
| Origin | Beijing, China |
| Model | ZRX-29854 |
| Measurement Range | 0.05–20.00 mg/L |
| Accuracy | ≤±5% FS |
| Repeatability | ≤3% |
| Optical Drift | <0.002 A in 20 min |
| Dimensions | 80 × 230 × 55 mm |
| Weight | 500 g |
| Power Supply | 4 × AA batteries |
| Operating Temperature | 5–40 °C |
| Relative Humidity | ≤85% RH |
| IP Rating | IP65 |
| Light Source | Cold LED with narrow-band interference optical system |
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