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| Brand | Hywell |
|---|---|
| Model | MHJ-98 |
| Instrument Type | Microwave Power Density Meter (Radiation Dosimetry Grade) |
| Measurement Principle | Broadband RF Field Detection via Calibrated Diode-Based Sensor |
| Frequency Range | 0.9–3 GHz |
| Power Density Range | 0.01–9.99 mW/cm² |
| Accuracy (Full Scale) | ±1.5% |
| Calibration Uncertainty | ±0.75 dB |
| Operating Environment | −10 °C to +40 °C, RH 51–81%, Light-Shielded Sensor |
| Display | LED Digital, 3½-digit Resolution |
| Alarm Output | Configurable Threshold, Audible + Visual + Dry Contact Switch (DC 24 V / 1 A max) |
| Dimensions | 100 × 210 × 35 mm |
| Weight | 0.5 kg |
| Compliance | Designed for IEC 61326-1 (EMC), IEC 61000-4 Series Immunity Testing |
| Brand | Hyeyan |
|---|---|
| Model | MHJ-99 |
| Instrument Type | RF Power Density Meter (Metering/Dose Rate) |
| Frequency Range | 0.9–12.4 GHz |
| Measurement Range | 0.2 µW/cm² to 20 mW/cm² |
| Display | LED Digital, 3.5-digit |
| Accuracy (Full Scale) | ±1.5% |
| Calibration Field Uncertainty | ±0.75 dB |
| Operating Modes | Continuous Wave (CW) and Pulsed RF |
| Alarm Threshold | User-Adjustable (Factory Default: 5 mW/cm²) |
| Dimensions | 100 × 210 × 35 mm |
| Weight | ~0.5 kg |
| Environmental Operating Range | −10°C to +40°C, RH 51–81%, Atmospheric Pressure 720–780 mmHg |
| Sensor Sensitivity | Optimized for Wavelengths 3–33 cm |
| Internal Control | Microcontroller-Based Architecture with Auto-Zero and Self-Test Functions |
| Brand | Huiyan |
|---|---|
| Model | MHJ-3 |
| Instrument Type | Microwave Power Density Meter |
| Frequency Range | 0.9–3 GHz |
| Antenna Gain | >2 dBi |
| Measurement Range | 0.2 µW/cm² to 20 mW/cm² |
| Dimensions | 118 mm × 60 mm × 39 mm |
| Weight | <80 g |
| Power Supply | Passive (RF-powered, no battery required) |
| Compliance | Designed for IEC 60705:2017 (Household Microwave Ovens – Methods for Measuring Performance) and FDA 21 CFR §1030.10 (Performance Standard for Microwave and Radio Frequency Emitting Products) |
| Brand | Hyundai |
|---|---|
| Model | MHJ-98A |
| Instrument Type | Microwave Power Density Meter (Continuous & Pulsed Wave) |
| Measurement Principle | Broadband Diode-Detector-Based RF Field Sensing |
| Frequency Range | 0.9–3 GHz |
| Power Density Range | 0.01–9.99 mW/cm² |
| Operating Temperature | −10 °C to +40 °C |
| Calibration Uncertainty | ±0.75 dB |
| Display | LED Digital, 3-digit |
| Analog Output | 0–5 V DC (proportional to measured power density) |
| Digital Switch Output | SPST, rated ≤24 V DC / 1 A |
| Overload Threshold | 100 mW/cm² (CW, non-destructive) |
| Housing | CNC-Machined Aluminum Alloy (EMC-Optimized) |
| Power Supply | Linear Regulated DC Input |
| Dimensions | 152 × 104 × 42 mm |
| Compliance | IEC 61000-4 Series (EMC Immunity), ISO/IEC 17025 Traceable Calibration Protocol Support |
| Brand | Huiyan |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | MY8C-1 |
| Price | Upon Request |
| Microwave Frequency | 2450 MHz ± 50 MHz |
| Output Power Range | 0–200 W (continuous, linearly adjustable) |
| Waveguide Standard | GB/T BJ-26 (FD-26 flange) |
| Cavity Material | Stainless Steel |
| Control Interface | Industrial-grade color touchscreen with embedded microcomputer controller |
| Power Density Monitoring | Real-time display of source output power and cavity-internal power density |
| Calibration | User-configurable power density calibration coefficient |
| Data Visualization | Real-time power density trend curve (sampling-based) |
| Operation Modes | Dual-mode dynamic power density regulation |
| Radiation Mode | Waveguide-fed cavity irradiation or free-space radiation via optional waveguide antenna |
| Brand | Huiyan |
|---|---|
| Origin | Jiangsu, China |
| Model | ML-91 |
| Instrument Type | RF Power Density Meter (Radiation Dosimetry) |
| Frequency Range | 0.9–12.4 GHz |
| Measurement Range | 0.2 µW/cm² to 20 mW/cm² |
| Resolution | 0.2 µW/cm² |
| Display | Digital LCD with Auto-ranging (3 ranges: 200 µW/cm², 2 mW/cm², 20 mW/cm²) |
| Alarm Threshold | Factory-set at 5 mW/cm² (adjustable only by manufacturer) |
| Operating Modes | CW and Pulsed RF |
| Sensor Burnout Limit | 100 mW/cm² (CW), 3 W/cm² peak (pulsed) |
| Calibration Uncertainty | ±0.75 dB |
| Indicating Device Accuracy | ≤ ±1.5% of full scale |
| Dimensions (Indicator Unit) | 82 × 40 × 172 mm |
| Weight (Indicator Unit) | ~0.8 kg |
| Environmental Operating Range | –10 °C to +40 °C, RH 51–81%, Atmospheric Pressure 720–780 mmHg |
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