STT
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| Brand | STT |
|---|---|
| Origin | Beijing, China |
| Manufacturer | STT Senfu Technology |
| Model | EQ STT-5000 |
| Detection Limit | 0.1 ppb for benzene (0.0003 mg/m³) |
| Weight | 2.2 kg |
| Dimensions | 267 × 197 × 308 mm |
| Column | MEMS-based microfabricated capillary column |
| Detector | 10.6 eV Photoionization Detector (PID) |
| Measurement Range | 0.1–300 ppb (low-range mode) or 50 ppb–10 ppm (high-range mode) for benzene |
| Accuracy | ±1% FS |
| Carrier Gas | Ambient air (filtered via activated carbon + molecular sieve) |
| Battery Life | >9 h |
| Analysis Time | ≤10 min per sample |
| Compliance | GB/T 18883–2022 Annex C.3, EPA Method 5035, EPA Method 8021 |
| Brand | STT |
|---|---|
| Origin | Beijing, China |
| Manufacturer | STT Senfu Technology |
| Model | EQ STT-5000 |
| Detection Limit | 0.1 ppb for benzene |
| Weight | 2.2 kg |
| Dimensions | 267 × 197 × 308 mm |
| Column | MEMS microfabricated capillary column |
| Detector | 10.6 eV Photoionization Detector (PID) |
| Measurement Range | 0.1–300 ppb (benzene, low-range mode) or 50 ppb–10 ppm (benzene, high-range mode) |
| Accuracy | ±1% FS |
| Carrier Gas | Ambient air (filtered via activated carbon and molecular sieve) |
| Battery Life | >9 hours |
| Compliance | GB/T 18883-2022 Annex C.3, EPA Method 5035, EPA Method 8021 |
| Brand | STT |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Country of Origin | China |
| Model | EQ STT-5000 |
| Detection Limit | 0.1 ppb for benzene |
| Weight | 2.2 kg |
| Dimensions | 267 × 197 × 308 mm |
| Brand | STT |
|---|---|
| Origin | Beijing, China |
| Manufacturer | STT Senfu Technology |
| Model | EQ-STT-5000 |
| Detection Limit | 0.1 ppb (benzene) |
| Weight | 2.2 kg |
| Dimensions | 267 × 197 × 308 mm |
| Column | Microfabricated GC column with 10.6 eV PID detector |
| Power | Built-in rechargeable battery (>9 h operation) |
| Carrier Gas | Ambient air (filtered via activated carbon + molecular sieve) |
| Measurement Range | 0.1–300 ppb or 50 ppb–10 ppm (benzene) |
| Accuracy | ±1% FS |
| Sample Matrices | Air, water (with optional headspace module), soil (with optional thermal desorption unit) |
| Brand | STT |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Model | EQ-STT-5000 |
| Detection Limit | 0.1 ppb for benzene |
| Weight | 2.2 kg |
| Dimensions | 267 × 197 × 308 mm |
| Column Technology | MEMS microfabricated capillary column |
| Detector | 10.6 eV Photoionization Detector (PID) |
| Carrier Gas | Ambient air (with activated carbon + molecular sieve filtration) |
| Battery Life | >9 h |
| Measurement Range | 0.1–300 ppb (benzene, low-range mode) or 50 ppb–10 ppm (benzene, high-range mode) |
| Accuracy | ±1% FS |
| Sample Matrices | Air, water (with headspace module), soil (with thermal desorption accessory) |
| Brand | STT |
|---|---|
| Origin | Beijing, China |
| Manufacturer | STT Senfu Technology |
| Type | Domestic |
| Model | OS-2 |
| Frequency Ranges | 1 Hz–100 kHz |
| Measurement Accuracy | ±0.8 dB |
| Electric Field Measurement Range | 100 kHz–6 GHz |
| Brand | STT |
|---|---|
| Origin | Beijing, China |
| Manufacturer | STT Senfu Technology |
| Model | OS-4P |
| Frequency Range | 100 kHz – 6 GHz |
| Measurement Accuracy | ≤ ±3 dB |
| Electric Field Range | 1 mV/m – 300 V/m |
| Brand | STT |
|---|---|
| Origin | Beijing, China |
| Manufacturer | STT Senfu Technology |
| Model | RS-Smart |
| Instrument Type | Ambient Gamma Dose Rate Meter |
| Display | 3.7-inch Full-Color LCD |
| Data Transmission | Short-Range Wireless (2.4 GHz ISM Band) |
| Measurement Units | nGy/h, nSv/h |
| Output | Real-time Value, Max Value, Average Value |
| Graphing | Time-series Dose Rate Curve |
| Power Supply | Rechargeable Li-ion Battery (≥10 h continuous operation) |
| Compliance | Designed for IEC 60846-1:2014 compliant high-pressure ionization chambers |
| Brand | STT |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Category | Domestic |
| Model | SEM-350 |
| Pricing | Upon Request |
| Instrument Class | RF Field Strength Meter (Exposure Assessment Device) |
| Form Factor | Portable |
| Measured Quantity | Radiofrequency Electromagnetic Fields |
| Detector Type | Triaxial Isotropic Electric Field Probe (Dipole-Based) |
| Frequency Range | 100 kHz – 6 GHz |
| Sensitivity | 0.01 V/m |
| Compliance Context | ICNIRP 2020, IEEE C95.1-2019, GB 8702-2014, and Occupational EMF Exposure Limits |
| Brand | STT |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Origin | Domestic (China) |
| Model | SEM-600 |
| Frequency Range | 1 Hz – 26.5 GHz |
| Measurement Accuracy | ±0.01 dB |
| Electric Field Range | 0.01 V/m – 100 kV/m |
| Magnetic Field Range | 0.1 nT – 10.00 mT |
| Power Density Range | 0.001 µW/cm² – 100.0 mW/cm² |
| Data Storage | >1,000,000 records (8 GB flash) |
| Operating Time | >14 h (rechargeable 6800 mAh Li-ion battery) |
| IP Rating | IP54 |
| Display | 4.1″ color LCD (320×240), anti-glare reflective technology |
| Environmental Sensors | Integrated temperature (–40 °C to +80 °C, ±0.4 °C), humidity (0–100 %RH, ±3 %RH), GPS (WGS-84, <2.5 m accuracy, 30 µs timing precision) |
| Connectivity | Bluetooth 5.0, USB 2.0, optical fiber interface |
| Printing | Built-in thermal printer module (127 dpi, 5.5 mm/s, 1.5 million line lifespan) |
| Brand | STT |
|---|---|
| Origin | Beijing, China |
| Manufacturer | STT Senfu Technology Co., Ltd. |
| Model | SEM-600D |
| Frequency Range | 1 Hz – 100 kHz (ELF/VLF/LF) |
| Electric Field Measurement Range | 1 Hz – 100 kHz |
| Measurement Accuracy | ±0.01 V/m |
| Probe Coverage | 1 Hz – 60 GHz (with optional probes) |
| Compliance | GBZ/T 189.3–2018, GBZ/T 189.2–2007, GBZ/T 189.1–2007, GBZ/T 189.5–2007, GB8702–2014, HJ972–2018, IEC 61786-1:2013, IEC 62232:2017, GJB5313A–2017 |
| Data Modes | Real-time, Average, Max, Time History, Spectrum Analysis |
| Environmental Sensors | Integrated temperature, relative humidity, and barometric pressure |
| Connectivity | Bluetooth 5.0, Fiber-optic interface |
| Battery Life | >4 hours (host + probe) |
| Mounting | Tripod-compatible (low/mid-frequency), handheld (RF/microwave) |
| Exposure Assessment Modes | Head/chest/abdomen anatomical weighting |
| Brand | STT |
|---|---|
| Origin | Beijing, China |
| Manufacturer | STT Senfu Technology |
| Country of Origin | China |
| Model | OS-6C |
| Frequency Range | 1 Hz – 6 GHz |
| Electric Field Measurement Range | 0.1 V/m – 1000 V/m |
| Measurement Accuracy | ±0.1 V/m |
| Power Supply | Vehicle-mounted 12/24 V DC battery or external 220 V AC |
| Brand | STT |
|---|---|
| Origin | Beijing, China |
| Manufacturer | STT Senfu Technology |
| Product Type | Online Electromagnetic Field Monitor |
| Instrument Category | Spectrum Analyzer |
| Detector Type | Triaxial Isotropic Probe |
| Measurement Scope | Electromagnetic Radiation Sources & Ambient EM Environment Quality |
| Frequency Range | 20 Hz – 100 kHz |
| Electric Field Sensitivity | 0.1 V/m |
| Physical Footprint | 450 mm × 450 mm |
| Power Supply | Patented Interference-Free Probe Powering Technology |
| Data Integrity | Automatic Offline Data Resumption & Re-transmission |
| Calibration Method | Full-System Integrated Calibration in Traceable EMC Chamber |
| Compliance Context | Designed for compliance with GB 8702–2014, ICNIRP 2010 Guidelines, and IEC 62110:2019 |
| Deployment Scale | >280 Operational Stations Nationwide (Substations, AM/FM Broadcast Sites, Telecom Base Stations, TV Transmitters) |
| Brand | STT |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Manufacturer |
| Country of Origin | China |
| Model | OS-8S |
| Price | Upon Request |
| Frequency Range | 100 kHz – 6 GHz |
| Measurement Accuracy | ≤ ±3 dB |
| Electric Field Range | 1 mV/m – 300 V/m |