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| Brand | Stanford Research Systems (SRS) |
|---|---|
| Origin | USA |
| Model | SR810 / SR830 |
| Frequency Range | 1 mHz – 102.4 kHz |
| Dynamic Reserve | >100 dB |
| Stability | 5 ppm/°C |
| Phase Resolution | 0.01° |
| Time Constants | 10 μs – 30 ks (up to 24 dB/oct rolloff) |
| Reference Source | Synthesized |
| Interfaces | GPIB, RS-232 |
| Signal Display | SR810 — magnitude only |
| Brand | SRS/Stanford Research Systems |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Product Category | Imported |
| Model | SR830 |
| Component Type | Signal Detection & Demodulation Module |
| Gain Range | 2 nV to 1 V (full-scale) |
| Frequency Range | 0.001 Hz to 102.4 kHz |
| Dynamic Reserve | >100 dB |
| Time Constant Range | 10 µs to 30 ks |
| Input Noise | 6 nV/√Hz @ 1 kHz (voltage), 0.13 pA/√Hz @ 1 kHz (10⁶ V/A current gain), 0.013 pA/√Hz @ 100 Hz (10⁸ V/A) |
| Phase Resolution | 0.008° (computer-controlled), 0.01° (front-panel) |
| Phase Drift | 0.01°/°C (<10 kHz), 0.1°/°C (>10 kHz) |
| Input Impedance (Voltage) | 10 MΩ + 25 pF, AC/DC coupled |
| Input Impedance (Current) | 1 kΩ to virtual ground |
| Reference Input | TTL or sine wave, 400 mV rms min (sine), logic-level compatible (TTL) |
| Interface | IEEE-488.2 (GPIB), RS-232 |
| Power | 40 W, 100–240 V AC, 50/60 Hz |
| Dimensions | 432 × 495 × 133 mm (L×W×H) |
| Brand | SRS/Stanford Research Systems |
|---|---|
| Origin | USA |
| Model | SR830 |
| Frequency Range | 1 mHz to 102.4 kHz |
| Dynamic Reserve | >100 dB |
| Phase Resolution | 0.01° |
| Time Constant Range | 10 µs to 30 ks (6–24 dB/octave roll-off) |
| Input Noise | 6 nV/√Hz |
| Input Impedance | 10 MΩ |
| Sensitivity | Down to 2 nV full scale |
| Current Gain Options | 10⁶ V/A and 10⁸ V/A |
| Stability | 5 ppm/°C |
| Reference Source | Direct Digital Synthesis (DDS), <−80 dBc distortion |
| Interfaces | GPIB (IEEE-488.2) and RS-232 |
| Auxiliary Inputs | 4 × 16-bit ADC |
| Analog Outputs | X, Y, R, θ, noise, and user-defined ratios (256 kHz update rate) |
| Built-in Auto Functions | Auto-gain, auto-phase, auto-offset, auto-dynamic reserve |
| Brand | SRS/Stanford Research Systems |
|---|---|
| Origin | USA |
| Model | SR830 |
| Frequency Range | 1 mHz to 102.4 kHz |
| Dynamic Reserve | >100 dB |
| Phase Resolution | 0.01° (front panel), 0.008° (computer interface) |
| Voltage Input Range | 2 nV to 1 V (single-ended or differential) |
| Current Input Options | 10⁶ or 10⁸ V/A |
| Input Impedance (Voltage) | 10 MΩ + 25 pF, AC/DC coupled |
| Input Impedance (Current) | 1 kΩ to virtual ground |
| Gain Accuracy | ±1% (±0.2% typical) |
| Voltage Noise Density | 6 nV/√Hz at 1 kHz |
| Current Noise Density | 0.13 pA/√Hz at 1 kHz (10⁶ V/A) |
| Time Constant Range | 10 μs to 30 ks (24 dB/oct rolloff) |
| Stability | <5 ppm/°C |
| Reference Inputs | TTL or sine (≥400 mVpp), 1 MΩ |
| Harmonic Detection | up to nF ≤ 102.4 kHz (n < 19,999) |
| Interfaces | GPIB (IEEE-488.2), RS-232 |
| Origin | UK |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Import Status | Imported |
| Model | StarForm (OI-VS-1000) |
| Pricing | Available Upon Request |
| Brand | Starwood |
|---|---|
| Model | 2020T |
| Type | Portable Turbidimeter |
| Measurement Principle | Ratio-based nephelometry and attenuation (90°/180° dual-detector optical geometry) |
| Range | 0–100 NTU/FNU |
| Resolution | 0.01 NTU (0–10.99), 0.1 NTU (11.0–100.0), 1 AU (0–2000) |
| Accuracy | ±0.05 NTU (0–2.5), ±2% (2.5–100 NTU), ±3% (100–1000 NTRU), ±10 AU or 6% (whichever greater, 0–2000 AU) |
| Detection Limit | 0.05 NTU/FNU, 10 AU/FAU |
| Light Source | Tungsten lamp (2300 K ±50 K) |
| Detectors | Dual photodiodes at 90° and 180°, spectral response peak 400–600 nm |
| IP Rating | IP67 |
| Data Storage | 500 measurements with timestamp |
| Power | Rechargeable lithium-ion battery (3.7 V), USB charging |
| Display | Backlit 6-line LCD |
| Dimensions | 19.05 × 8.84 × 6.35 cm |
| Weight | 368 g |
| Language Support | English, Spanish, French, Japanese, Italian, Portuguese, Chinese |
| Compliance | ASTM D6508, ISO 7027, USP <241>, GLP-compliant data logging with audit trail capability |
| Brand | Starwood |
|---|---|
| Model | AccUView |
| Type | Online Turbidimeter / UV Transmittance Analyzer |
| Measurement Range | 0–100% T (253.7 nm) |
| Resolution | 0.1% T |
| Accuracy | ±0.1% T |
| Operating Temperature | 0–50 °C |
| Response Time | 4–60 s (adjustable) |
| Output | 4–20 mA isolated or RS-485 Modbus (optional) |
| Alarm Outputs | 2 user-configurable digital relays |
| Sample Pressure | up to 200 psi (integrated pressure regulator) |
| Flow Rate | 100–1000 mL/min (integrated flow controller) |
| Power Supply | 100–240 VAC, 47–63 Hz, 80 VA |
| Display | Backlit LCD, multi-line |
| Enclosure Rating | NEMA 4X / IP66 |
| Certifications | CE, UL, CSA |
| Optional | Remote Display (up to 150 m), Certified Calibration Standards (100% T) |
| Brand | Starwood |
|---|---|
| Model | Ci60 |
| Type | Portable Spectrophotometric Colorimeter |
| Optical Geometry | d/8° (diffuse illumination, 8° viewing angle) with integrated sphere |
| Measurement Principle | Spectral reflectance via grating-based spectrophotometry (360–740 nm, 10 nm bandwidth) |
| Illuminants | A, C, D50, D65, F2, F7, F11, F12 |
| Observer Angle | 2° & 10° standard observer |
| Aperture | 14 mm |
| Color Spaces | CIE XYZ, Yxy, L*a*b*, L*C*h°, L*u*v*, CIELAB, CIELUV, Munsell (CIE 1931 & 1964), Reflectance (%) |
| Color Difference Formulas | ΔE*ab, ΔE*94, ΔE*CMC (l:c = 2:1), ΔE*00 (CIEDE2000), ΔE*uv, ΔL*a*b*, ΔL*C*h°, ΔYxy, ΔReflectance |
| Tolerance Evaluation | Pass/Fail LED indicators (green/red) with user-definable ΔE thresholds |
| Memory Capacity | 4,000 stored measurements (references + samples) |
| Display | High-resolution color TFT LCD with dynamic UI navigation |
| Power | Rechargeable Li-ion battery (≥1,000 measurements per charge at 10 s interval) |
| Operating Environment | 5–85% RH (non-condensing), 0–40 °C |
| Compliance | Meets ISO 7724-1, ISO 11664-4, ASTM E308, CIE No. 15:2018 |
| Dimensions (L×W×H) | 213 × 91 × 109 mm |
| Data Interface | USB-C for CSV export/import |
| Software Compatibility | Standalone operation |
| Brand | Starwood |
|---|---|
| Model | DEN |
| Measurement Range | 0.00–15.00 McF |
| Accuracy | ±3% |
| Repeatability (Std. Dev. at 3.00 McF) | ±0.1 McF |
| Measurement Time | 1 s |
| Light Source | LED, 565 ± 15 nm |
| Sample Tube OD | 18 mm (optional D16 adapter for 16 mm tubes) |
| Sample Volume | ≥2 mL |
| Display | LCD, resolution 0.01 McF |
| Power | 12 V DC adapter or 3 × AA batteries |
| Operating Temperature | 4–40 °C |
| Dimensions (W×D×H) | 165 × 115 × 75 mm |
| Weight | 0.9 kg |
| Brand | Starwood |
|---|---|
| Model | DS-700ADE |
| Measurement Geometry | D/8°, SCI/SCE |
| Repeatability (ΔE*ab) | ≤0.02 |
| Inter-instrument Agreement (ΔE*ab) | ≤0.2 |
| Aperture Options | Φ11 mm, Φ10 mm, Φ6 mm, Φ5 mm, Φ3 mm, 1×3 mm, and corresponding specular-excluded variants |
| View Angle | 2° and 10° |
| Integrating Sphere Diameter | 40 mm |
| Spectral Range | 400–700 nm |
| Wavelength Interval | 10 nm |
| Illuminant Options | A, C, D50, D65, D75, F1–F12, CWF, U30, TL83, TL84, LED-B1 to LED-V2, ID50, ID65, and more |
| Reflectance Range | 0–200% |
| Reflectance Resolution | 0.01% |
| Measurement Time | ~1 s |
| Display | 3.5″ IPS full-color touchscreen |
| Data Storage | 100 standard samples + 10,000 test samples onboard |
| Compliance | CIE No. 15, ISO 7724-1, ASTM E1164, GB/T 3978, GB/T 18833, DIN 5033 Teil 7 |
| Calibration | Smart auto-calibration with certified white tile |
| Light Source | Full-spectrum balanced LED (with optional UV) |
| Sensor | Dual-row high-precision CMOS array |
| Power | 7.2 V / 3000 mAh Li-ion (≥8,000 measurements per charge) |
| Lifetime | ≥1 million measurements or 10 years |
| Connectivity | USB 2.0, Bluetooth 5.0 |
| OS Support | Windows, Android, iOS, WeChat Mini Program |
| Language | English, Simplified Chinese |
| Brand | Starwood |
|---|---|
| Model | DS-700D |
| Measurement Geometry | D/8° (Diffuse Illumination / 8° Viewing, with SCI & SCE modes) |
| Spectral Range | 400–700 nm |
| Wavelength Interval | 10 nm |
| Spectral Resolution | 0.01% Reflectance |
| Reflectance Range | 0–200% |
| Repeatability (ΔE*ab) | ≤0.025 (std dev), ≤0.04 (max, after white tile calibration, 30 measurements at 5-sec intervals) |
| Inter-instrument Agreement | ΔE*ab ≤ 0.25 (BCRA Series II 12-tile average) |
| Apertures | MAV (Φ8 mm / Φ11 mm), SAV (Φ4 mm / Φ6 mm), MNI (1×3 mm) |
| Observer Angles | 2° & 10° |
| Integrating Sphere Diameter | 40 mm |
| Illuminant Options | A, B, C, D50, D55, D65, D75, F1–F12, U30, U35, DLF, NBF, TL83, TL84, ID50, ID65, LED-B1 to B5, BH1, RGB1, V1, V2, CF |
| UV Compensation | Yes |
| Illuminant Source | Full-spectrum balanced LED array with integrated UV |
| Viewing System | Built-in CMOS camera for real-time sample positioning |
| Display | 3.5″ IPS full-color touchscreen |
| Operating System Support | Android, iOS, Windows, WeChat Mini Program |
| Data Interface | USB 2.0, Bluetooth 5.0 |
| Battery Life | ≥8,000 measurements per charge |
| Compliance | CIE No. 15:2018, GB/T 3978–2008, GB/T 18833–2020, ISO 7724-1:1984, ASTM E1164–22, DIN 5033-7:2018 |
| Calibration | Automated intelligent calibration with NIST-traceable white tile |
| Metrological Certification | Compliant with China National Class I Metrological Verification Standard |
| Brand | Starwood |
|---|---|
| Model | innoCon 6800T |
| Type | Online Turbidimeter & SS Analyzer |
| Measurement Principle | 90° Light Scattering (EN ISO 7027 Compliant) |
| Turbidity Range | 0.0–4.0 / 40.0 / 400.0 / 1000.0 NTU |
| SS Range | 0.0–10.0 / 100.0 / 1000.0 / 2000.0 mg/L |
| Resolution | 0.1 NTU, 0.1 mg/L |
| Accuracy | ±2% of full scale |
| Operating Temperature | 0–60°C (sensor), –10–60°C (controller) |
| Display | Dot-matrix LCD with bilingual (English/Chinese) interface |
| Output | Dual 4–20 mA (turbidity + temperature), RS485 Modbus RTU |
| Alarms | Two independent Hi/Lo setpoints with hysteresis, 5 A / 250 VAC relay contacts |
| Enclosure Rating | IP65 (controller), IP68 (sensor) |
| Housing Material | 316L stainless steel & PVC sensor body, optical-grade fused silica window |
| Sensor Dimensions | Ø42 mm × 210 mm, 1" NPT thread, 10 m standard cable |
| Max Pressure | 4 bar |
| Weight | 1.0 kg (controller only) |
| Brand | Starwood |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Manufacturer |
| Product Type | Online Turbidimeter |
| Model | JXKOHXS |
| Measurement Ranges | 0–1 NTU, 0–10 NTU, 0–100 NTU |
| Resolution | 0.001 NTU, 0.1 °C |
| Operating Ambient Temperature | 0–60 °C |
| Accuracy | ±0.015 NTU (0–1 NTU), ±0.015 NTU (0–10 NTU), ±0.15 NTU (0–100 NTU) |
| Display | 4.3-inch color touchscreen |
| Output | 4–20 mA isolated current loop (load < 750 Ω), optional 0–10 mA |
| Communication | Isolated RS-485 (Modbus RTU protocol), optional RS-232 |
| Power Supply | 85–265 VAC (±10%), 50/60 Hz (±5%) or optional 24 VDC (±15%) |
| Enclosure Rating | IP65 |
| Installation | Flow-through cell |
| Sample Temp. Range | 0–50 °C |
| Max. Sample Pressure | < 0.6 MPa |
| Flow Rate | 50–400 mL/min |
| Data Storage | 1 month at 5-min intervals (non-volatile memory, >10-year retention after power loss) |
| Weight | 2.5 kg |
| Brand | Starwood |
|---|---|
| Model | LX50 |
| Sensor Type | Silicon Photodiode |
| Measurement Range | 0–10,000 lux / 0–929 fc |
| Accuracy | ±3% of reading ±3 lux |
| Resolution | 0.1 lux (0–999.9 lux), 1 lux (1,000–10,000 lux), 0.01 fc (0–99.99 fc), 0.1 fc (100–929 fc) |
| Spectral Response | V(λ)-matched (CIE photopic curve, Class C per DIN 5032-7) |
| Cosine Error | <6% (up to 75° incidence) |
| Linearity Error | <3% |
| Uncertainty (k=2) | <10% |
| Operating Temperature | 0–50 °C |
| Storage Temperature | −10–70 °C |
| Power | 4 × AAA alkaline batteries |
| Battery Life | ~20 h (continuous use) |
| Auto-power-off | After 20 min idle |
| EMC Compliance | EN 61000-6-3, EN 61000-6-1, EN 61010-1, CE-marked |
| Brand | Starwood |
|---|---|
| Model | Nova II |
| Sensor Compatibility | Thermopile, BeamTrack, Pyroelectric, Photodiode |
| Display | 320×240 High-Resolution LCD with Backlight |
| Measurement Modes | Digital Numeric & Analog Needle Display |
| Data Logging Capacity | 54,000 Samples |
| Sampling Rate (with Pyroelectric Sensors) | Up to 4,000 Hz |
| Communication Interfaces | USB 2.0, RS-232 |
| Analog Output | Yes |
| Power Source | Replaceable Batteries |
| Mounting | Dual-Position Adjustable Stand |
| Software Integration | StaLab, StarCom, LabVIEW, COM Object, ActiveX |
| Compliance | Designed for ISO/IEC 17025-aligned calibration workflows, supports GLP/GMP audit trails via PC software logging |
| Brand | Starwood |
|---|---|
| Model | PACON 2000 |
| Type | Online Turbidimeter |
| Measurement Range | 0–1000 NTU |
| Resolution | 0.0001 NTU (for readings <10 NTU), adjustable |
| Accuracy | ±2% of reading or ±0.02 NTU (whichever is greater) for <40 NTU |
| Operating Temperature | 1°C–50°C |
| Light Source | 850 nm LED (7-year lifetime) |
| Output | Isolated 4–20 mA and RS485 (Modbus RTU) |
| Relay Outputs | 2 configurable Hi/Lo alarm relays (250 VAC, 2 A) |
| Enclosure Rating | NEMA 4X / IP66 |
| Sample Pressure | 1–200 psi (internal regulator preset to 15 psi) |
| Display | Multi-line yellow-backlit LCD |
| Power | 100–240 VAC, 47–63 Hz, 80 VA |
| Dimensions | 35 cm × 30 cm × 30 cm |
| Weight | 2.5 kg |