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| Origin | Jiangsu, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | HS5618A |
| Pricing | Available Upon Request |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | HS5628 |
| Price Range | USD 280–700 |
| Frequency Range | 20 Hz–10 kHz |
| Sound Pressure Level Range | 30 dB(A) to 130 dB(A) |
| Frequency Weighting | A, C |
| Time Weighting | Fast (F), Slow (S) |
| Detector | Digital True RMS with Peak Factor ≥ 3 |
| Dynamic Range per Range | ≥ 60 dB (High/Mid/Low 3-range auto-switching) |
| Measurement Duration Options | 10 s, 1 min, 5 min, 10 min, 15 min, 20 min, 30 min, 1 h, 8 h, 24 h, Manual |
| Metrics Calculated | L<sub>p</sub>, L<sub>eq</sub>, L<sub>AE</sub>, SD, L<sub>max</sub>, L<sub>min</sub>, E (Sound Exposure) |
| Display | 8×2 dot-matrix LCD |
| AC Output | Yes |
| Power Supply | 2 × AA alkaline batteries |
| Dimensions (L×W×H) | 200 × 62 × 30 mm |
| Mass | 200 g (including batteries) |
| Operating Temperature | –10 °C to +50 °C |
| Relative Humidity Range | 20%–90% RH (non-condensing) |
| Origin | Jiangsu, China |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Domestic (China) |
| Model | HS5628 |
| Pricing | Upon Request |
| Microphone | 1/2″ (Φ12.7 mm) Electret Condenser |
| Measurement Range | 35 dB to 130 dB |
| Frequency Range | 20 Hz – 10 kHz |
| Frequency Weighting | A, C |
| Time Weighting | Fast (F), Slow (S) |
| Detector | Digital True RMS with Peak Factor ≥ 3 |
| Range Selection | High / Medium / Low (≥60 dB linear range per range) |
| Measurement Durations | 10 s, 1 min, 5 min, 10 min, 15 min, 20 min, 30 min, 1 h, 8 h, 24 h, Manual |
| Metrics | L<sub>p</sub>, L<sub>eq</sub>, L<sub>AE</sub>, SD, L<sub>max</sub>, L<sub>min</sub>, E |
| Display | 8×2 Dot-Matrix LCD |
| AC Output | Yes |
| Power Supply | Two AA batteries |
| Dimensions (L×W×H) | 200 × 62 × 30 mm |
| Mass | 200 g (including batteries) |
| Operating Temperature | −10 °C to +50 °C |
| Relative Humidity | 20% – 90% RH |
| Origin | Jiangsu, China |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Domestic |
| Model | HS5628A |
| Pricing | Upon Request |
| Origin | Jiangsu, China |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Domestic (China) |
| Model | HS5628B |
| Price | Upon Request |
| Microphone | 1/2″ (Φ12.7 mm) electret condenser |
| Measurement Range | 35–130 dB(A), 40–130 dB(C) |
| Frequency Range | 20 Hz – 10 kHz |
| Frequency Weighting | A, C |
| Time Weighting | Fast (F), Slow (S) |
| Detector | Digital detection with peak factor ≥3 |
| Dynamic Range per Range | ≥60 dB |
| Range Settings | High (70–130 dB), Medium (50–110 dB), Low (35–90 dB) |
| Measurement Modes | Mode 1 (integrated metrics: L<sub>p</sub>, L<sub>eq</sub>, L<sub>AE</sub>, L<sub>max</sub>, L<sub>min</sub>, E |
| duration options | 10 s, 1, 5, 10, 20, 30 min, 1 h, 8 h, 24 h, or manual) |
| Mode 2 (continuous L<sub>eq</sub> with user-defined interval | 1–10 s) |
| Display | 8×2 dot-matrix LCD |
| Data Storage | 500 measurement sets |
| Interface | RS-232 serial port |
| Power Supply | 3 V (2 × AA batteries) |
| Dimensions (L×W×H) | 160 × 52 × 25 mm |
| Mass | 200 g (including batteries) |
| Operating Temperature | −10 °C to +50 °C |
| Relative Humidity | 20–90 % RH |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | HS5633 |
| Price Range | USD 140–280 |
| Frequency Range | 31.5 Hz – 8 kHz |
| Measurement Range | 35 dB(A) – 130 dB(A) |
| Frequency Weighting | A-weighting, C-weighting |
| Time Weighting | Fast (F) |
| Display | 2-line alphanumeric LCD with backlight |
| Output | AC & DC analog outputs |
| Power Supply | 1 × 9 V alkaline battery |
| Dimensions | 230 × 72 × 30 mm |
| Mass | 200 g |
| Compliance | GB/T 3785–2010 Class 2, IEC 61672-1:2013 Class 2 |
| Origin | Jiangsu, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | HS5633A |
| Pricing | Available Upon Request |
| Microphone | 1/2″ Electret Condenser, 30 mV/Pa |
| Frequency Range | 20 Hz – 10 kHz |
| Measurement Range | 35–120 dB (L: 35–90 dB |
| H | 60–120 dB) |
| Frequency Weighting | A, C |
| Time Weighting | Fast (F) |
| Detector | RMS + Peak (Peak Factor ≥3) |
| Display | 2×8 Character LCD, 0.1 dB Resolution, 1 Hz Update Rate |
| Compliance | IEC 61672-1:2013 Class 2, GB/T 3785.1–2010 Class 2 |
| Reference SPL | 94 dB @ 1 kHz |
| Reference Incidence | Axial |
| Power Supply | 1 × 9 V Alkaline (6F22), <15 mA |
| Dimensions | 170 × 52 × 24 mm |
| [Origin | Jiangsu, China |
|---|---|
| Type | Class 2 SLM per IEC 61672-1:2013 & JJG 188–2002 |
| Frequency Weighting | A/C |
| Measurement Range | 35–130 dB (A), 40–130 dB (C) |
| Frequency Range | 20 Hz – 12.5 kHz |
| Display | 3.5-digit LCD, 0.1 dB resolution, ~1 update/s |
| Time Weighting | Fast (F), Max Hold |
| Range Selection | Low (35–100 dB), High (65–130 dB) |
| Power | 9 V alkaline battery (DC 7–9 V) |
| AC Output | ≤2 Vrms, 600 Ω |
| DC Output | 0.3–1.3 V (0.1 V/10 dB), 1 MΩ load |
| Dimensions | 246 × 70 × 30 mm |
| Mass | 260 g (incl. battery) |
| Calibration | Compatible with HS6020 (94 dB @ 1 kHz)] |
| Origin | Jiangsu, China |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Domestic |
| Model | HS5633T |
| Pricing | Upon Request |
| Origin | Jiangsu, China |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Domestic (China) |
| Model | HS5660A |
| Pricing | Upon Request |
| Measurement Range | 30–138 dB(A), 40–138 dB(C), 45–138 dB(Linear) |
| Frequency Range | 10 Hz – 20 kHz |
| Frequency Weighting | A, C, Linear |
| Detector | True RMS & Peak |
| Time Weighting | Fast (F), Slow (S), Impulse (I) |
| Overload Indicator | +10 ±0.5 dB Full Scale |
| Power Supply | 4 × 1.5 V LR20 batteries or AC adapter (220 V) |
| Built-in Calibration Tone | 1000 Hz sine wave |
| Output | AC/DC analog outputs |
| Dimensions | 290 × 106 × 65 mm |
| Compliance | JJG 188–2002 (China National Verification Regulation), IEC 61672-1:2013 Class 1 |
| Key | Measurement Range (A-weighted) Low Mode: 22–135 dB(A) |
|---|---|
| High Mode | 55–165 dB(A) |
| Frequency Range | 20 Hz – 20 kHz |
| Weighting Networks | A, C, and Linear (F) |
| Detector Types | True RMS and Peak |
| Time Weightings | Fast, Slow, Impulse |
| Power Supply | 6 V DC (4 × 1.5 V alkaline cells) or external AC/DC adapter |
| Built-in Calibration Tone | 1000 Hz sine wave |
| Output Options | AC and DC analog outputs |
| Dimensions | 290 × 106 × 65 mm |
| Compliance | JJG 188–2002 (Class 1), IEC 61672-1:2013 (Class 1) |
| Origin | Jiangsu, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | HS5661+ |
| Price | Upon Request |
| Microphone | 1/2″ (12.7 mm) Class 1 Measurement Condenser Microphone |
| Frequency Weighting | A- and C-weighting per IEC 61672 |
| Time Weighting | Fast (F), Slow (S) |
| Detector | True RMS with Peak Factor ≥10 |
| Accuracy Class | Compliant with IEC 61672-1:2013 and GB/T 3785.1–2010 Class 1 |
| Range Control | Manual, 4-step linear range selection |
| Dynamic Range per Range | >60 dB |
| Measurement Ranges | 25–80 dB, 40–100 dB, 60–120 dB, 80–140 dB (re 20 µPa) |
| Display | Large backlit dynamic LCD with analog bar graph |
| Output Interfaces | AC output, RS-232 serial interface |
| Calibration | Compatible with Class 1 acoustic calibrators (e.g., 1 kHz, 94 dB or 114 dB) and pistonphones |
| Power Supply | 4×AA (LR6) alkaline batteries (24 h typical operation) |
| Dimensions (L×W×H) | 230 × 72 × 30 mm |
| Mass | 300 g (including batteries) |
| Operating Temperature | –10 °C to +50 °C |
| Environmental Rating | IP54-rated enclosure (dust- and splash-resistant) |
| Origin | Jiangsu, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China-made) |
| Model | HS5661A |
| Pricing | Available Upon Request |
| Microphone | 1/2″ (12.7 mm) Prepolarized Condenser |
| Frequency Weighting | A- and C-weighting |
| Time Weighting | Fast (F), Slow (S), Impulse (I) |
| Detector | True RMS with Peak Factor ≥10 |
| Compliance | IEC 61672-1:2013 Class 1 & GB/T 3785.1–2010 Type 1 |
| Range Control | Manual, 3-range switchable |
| Dynamic Range per Range | >60 dB |
| Measurement Ranges | 20–90 dB, 50–110 dB, 70–130 dB (re 20 µPa) |
| Display | Large-backlight LCD with analog bar graph and real-time L<sub>A</sub>, L<sub>C</sub>, L<sub>peak</sub> indication |
| Output Interfaces | AC output (rms), RS-232 serial interface |
| Calibration | Compatible with Class 1 acoustic calibrators (e.g., 1 kHz, 94 dB or 114 dB) and pistonphones |
| Power Supply | 4×AA (LR6) alkaline batteries (24 h typical operation) |
| Dimensions (L×W×H) | 230 × 72 × 30 mm |
| Mass | 300 g (including batteries) |
| Operating Temperature | –10 °C to +50 °C |
| Enclosure Material | ABS engineering plastic |
| Connectivity | RS-232 enables remote control, synchronized multi-unit networked acquisition, and PC-based data logging |
| Origin | Jiangsu, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Country of Origin | PRC |
| Model | HS5661B |
| Pricing | Available Upon Request |
| Microphone | 1/2″ (12.7 mm) Prepolarized Condenser |
| Frequency Weighting | A- and C-weighting |
| Time Weighting | Fast (F), Slow (S) |
| Detector | True RMS with Peak Factor ≥10 |
| Accuracy Class | IEC 61672-1:2013 / GB/T 3785.1–2010 Class 1 |
| Range Control | Manual, 3-step |
| Dynamic Range per Range | >60 dB |
| Measurement Ranges | 60–120 dB, 80–140 dB, 100–160 dB (re 20 µPa) |
| Display | Large Backlit LCD with Analog Bar Graph & Instantaneous Leq/Lmax/Lmin |
| Output Interfaces | AC Line Output, RS-232 Serial Port |
| Calibration | Compatible with Class 1 Acoustic Calibrators (e.g., 94 dB/114 dB @ 1 kHz) or Pistonphones |
| Power Supply | 4×LR6 (AA) Alkaline Batteries (24 h typical), Optional 6 V DC / 100 mA External Adapter |
| Dimensions (L×W×H) | 230 × 72 × 30 mm |
| Mass | 300 g (incl. batteries) |
| Operating Temperature | −10 °C to +50 °C |
| Compliance | Fully compliant with IEC 61672-1 Class 1 requirements for field and laboratory use |
| Origin | Jiangsu, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | HS5670B |
| Pricing | Available Upon Request |
| Sound Pressure Level Range | 25–135 dB(A), 35–135 dB(C), 45–135 dB(Lin) |
| Frequency Weighting | A, C, and Linear (Lin) |
| Frequency Response | 10 Hz – 20 kHz |
| Time Weighting | Fast (F), Slow (S), Max Hold |
| Measurement Functions | Leq, LAE, SD, Lmin, L95, L90, L50, L10, L5, Lmax, T60, Lepn |
| Spectral Analysis | 1/1-octave & 1/3-octave (with external filter set) |
| Display | 40 mm × 70 mm LCD, 4-digit resolution, 0.1 dB step |
| Data Output | RS232C serial interface, AC/DC analog outputs, external power input |
| Measurement Duration Options | Manual, 10 s, 1–30 min, 1–24 h |
| Real-time Clock | Year/Month/Day/Hour/Minute/Second |
| Compliance | IEC 60804:2000 & GB/T 17181–1997 Class 1 |
| Origin | Jiangsu, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | HS5671B |
| Pricing | Available Upon Request |
| Origin | Jiangsu, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | HS5933A |
| Pricing | Available Upon Request |
| Sensor | Piezoelectric Accelerometer |
| Sensitivity | 400 mV (peak) per g |
| Frequency Range (Measurement) | 1–80 Hz |
| Frequency Range (Transducer Response) | 1–160 Hz |
| Lateral Sensitivity Ratio | ≤5% |
| Amplitude Linearity | <5% |
| Vibration Level Range | 60–140 dB (re 10⁻⁶ m/s²) |
| Frequency Weightings | VLZ (Whole-Body Vertical), VLX–Y (Whole-Body Horizontal), VAL (Linear Acceleration Level) |
| Time Weighting | 1 s time constant |
| Measurement Modes | Manual, 10 s, 1 min, 5 min, 10 min, 15 min, 20 min, 1 h, 8 h, 24 h, 24-h Scheduled |
| Stored Parameters per Session | VLEQ, VL₁₀, VL₅₀, VL₉₀, VL<sub>MIN</sub>, VL<sub>MAX</sub>, Standard Deviation (SD), Peak Hold, Overload Indication |
| Data Storage Capacity | 127 measurement sets |
| Display | 4-digit LCD with status symbols |
| Power Supply | 7.5 V DC (5 × AA alkaline batteries) + external DC input port |
| Origin | China |
|---|---|
| Type | Portable |
| Measurement Range | 60–140 dB (re 10⁻⁶ m/s²) |
| Frequency Range | 1–80 Hz |
| Frequency Weightings | Whole-body vertical (VLz), whole-body horizontal (VLx-y), linear (VAL) |
| Dimensions (main unit) | 24 × 8.1 × 3.1 cm |
| Weight (main unit) | 0.4 kg |
| Data Storage Capacity | 127 measurement sets |
| Compliance | ISO 2631-1, ISO 5349-1, and IEC 61260 Class 2 requirements for vibration meters |
| Origin | China |
|---|---|
| Manufacturer Type | Distributor |
| Model | HS6288B |
| Price | USD 1,390 (FOB) |
| Frequency Range | 31.5 Hz – 8 kHz |
| Sound Pressure Level Range | 35–130 dB(A), 40–130 dB (Linear) |
| Self-Noise | <20 dB(A) |
| Time Weighting | Fast (F), Slow (S), Max Hold |
| Measurement Functions | Leq, LAE, LN (L10/L50/L90), Lmin, Lmax, SD, Ld, Ln, Ldn |
| Measurement Durations | Manual trigger, 10 s, 1 min, 5 min, 10 min, 20 min, 1 h, 8 h, 24 h, and full-hour synchronized logging |
| Display | 54 × 42 mm LCD with analog bar graph, real-time time stamp, measurement mode indicator, and 1/1-octave center frequency readout |
| Interface | RS-232 serial port for PC connectivity and data export |
| Standard Accessories | HS6288B(D) main unit, 4784A thermal printer (with charger), mounting bracket, software CD, thermal paper roll, 18″ protective carrying case, windscreen, screwdriver |
| Optional Accessories | 5 m / 10 m extension cables, Class 1 acoustic calibrator (e.g., HS6020) |
| Brand | HUANKONG |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | 2600 |
| Price Range | USD 28,000 – 35,000 |
| Brand | HUANKONG |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | GHD-GZ24 |
| Sample Capacity | 12 / 24 / 36 positions (configurable) |
| Operating Environment | 15–35 °C, 20–90% RH |
| Chamber Dimensions (W×D×H) | 200 × 120 × 300 mm |
| Heating & Air Circulation | Dual-mode (chamber heating + conditioned air convection) |
| Humidity & Temperature Control | Independent setpoint control for drying air (temperature and RH) |
| Air Treatment | Integrated desiccant-based dehumidification, HEPA + activated carbon filtration |
| Airflow Design | Dual-path low-velocity air distribution with turbulence modulation |
| Control Interface | Touchscreen HMI with real-time parameter logging |
| Drying Modes | Continuous mode and intelligent adaptive mode (with time-stamped environmental logging) |
| Construction | 304 stainless steel sample compartments |
| Noise Level | <45 dB(A) |
| Compliance | Designed per ISO 11464:2021 (soil sampling and handling), aligned with ASTM D422–20 (particle-size analysis prep), and supports GLP-compliant data integrity requirements |
| Brand | HUANKONG |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Country of Manufacture | China |
| Model | GHK-510U |
| Pricing | Available Upon Request |
| Detection Principle | Tunable Diode Laser Absorption Spectroscopy (TDLAS) |
| Target Gases | CO₂, CH₄, N₂O (customizable multi-gas configurations available) |
| Operating Temperature | −20 °C to +60 °C |
| Relative Humidity | <90% RH (non-condensing) |
| Ambient Pressure Range | 80–116 kPa |
| Brand | HUANKONG |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | GHK-8702 |
| Pricing | Available Upon Request |
| Brand | HUANKONG |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | PA-900 |
| Instrument Type | Compact Multi-Pollutant & Meteorological Monitoring Station |
| Sensor Technologies | Electrochemical, NDIR, UV-DOAS, PID, Metal Oxide Semiconductor (MOS) |
| Measured Parameters | Wind Speed/Direction, Temperature, Humidity, Atmospheric Pressure, Rainfall (Meteorological 5), TSP, PM₁₀, PM₂.₅, SO₂, NO₂, CO, O₃, CO₂, CH₄, N₂O, VOCs, BTEX (Benzene, Toluene, Ethylbenzene, Xylenes, Styrene, Cumene) |
| Compliance Standards | GB 3095–2012, HJ 653–2013, HJ 633–2012, HJ 212–2017, HJ 663–2013 |
| Data Storage | Local flash memory supporting ≥1 year of minute-interval data (circular overwrite) |
| Connectivity | Integrated 4G LTE module, RS-485 interface, optional Ethernet |
| Power Supply | AC 220 V ±10%, 50 Hz (standard) |
| Enclosure | IP65-rated aluminum alloy housing with splash-resistant design |
| Optional Add-ons | Outdoor LED display panel, synchronized video overlay module, Class 2 sound level meter (IEC 61672), remote OTA firmware update capability |
| Brand | HUANKONG |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Manufacturer |
| Country of Origin | China |
| Model | PA-900 |
| Instrument Type | Compact Multi-Pollutant Environmental Monitoring Station |
| Measured Parameters | Meteorological 5-parameter (T, RH, WS, WD, BP), TSP, PM₁₀, PM₂.₅, SO₂, NO₂, CO, O₃, CO₂, CH₄, N₂O, VOCs, BTEX (Benzene, Toluene, Ethylbenzene, Xylenes, Styrene, Cumene) |
| Detection Principles | Electrochemical sensing (SO₂, NO₂, CO, O₃), NDIR (CO₂, CH₄, N₂O), PID/FID (VOCs, BTEX), β-ray absorption (PM), Optical scattering (PM₂.₅/PM₁₀), Ultrasonic anemometry (WS/WD), Capacitive (RH), Piezoresistive (BP) |
| Compliance | GB 3095–2012, HJ 653–2013, HJ 633–2012, HJ 212–2017, HJ 663–2013 |
| Data Storage | Local flash memory supporting ≥1 year of minute-level data (circular overwrite) |
| Connectivity | Embedded 4G LTE module + RS-485 + Ethernet (optional), MQTT/HTTP/Modbus TCP support |
| Power | AC 220 V ±10%, 50 Hz (solar hybrid option available) |
| Enclosure | IP65-rated aluminum alloy housing with splash-resistant design |
| Dimensions | ≤450 × 350 × 220 mm (W × D × H) |
| Operating Temperature | −30 °C to +50 °C |
| Relative Humidity Range | 0–95% RH (non-condensing) |
| Brand | Huayun Instruments |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Model | GXH-3011 (4U) |
| Measurement Principle | Non-Dispersive Infrared (NDIR) |
| Target Gases | NO, CO, CO₂, O₂ (configurable per unit) |
| Measurement Ranges | NO: (0–500) to (0–5000) ppm |
| CO | 0–0.500% vol |
| CO₂ | 0–0.500% vol |
| Linearity Error | ≤ ±2% F.S. |
| Repeatability | ≤ 1% F.S. |
| Zero Drift | ≤ ±2% F.S. / 72 h |
| Span Drift | ≤ ±2% F.S. / 72 h |
| Response Time (t₀–t₉₀) | ≤ 15 s |
| Output Signal | 4–20 mA (max 3 isolated channels, load ≤ 500 Ω) |
| Power Consumption | ≤ 120 W |
| Supply Voltage | 220 VAC ±10%, 50 Hz ±10% |
| Enclosure | 19″ 4U rack-mount chassis (360 mm H × 482.6 mm W × 300 mm D) |
| Weight | ≤ 10 kg |
| Operating Temperature | 5–45 °C (non-condensing, no direct sunlight) |
| Relative Humidity | ≤ 80% RH |
| Ambient Airflow | ≤ 0.5 m/s |
| Installation | Horizontal mounting only |
| Electrical Isolation | Dedicated circuit recommended—avoid shared supply with inductive loads (e.g., large motors, RF furnaces) |
| Brand | Huayun Instruments |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | HY-400 (New) |
| Price | USD 5,600 (FOB Beijing) |
| Temperature Control Accuracy | ±0.1 °C |
| Setpoint Range | –20 °C to +10 °C (factory default: 4 °C) |
| Dimensions (W×H×D) | 484 × 178 × 320 mm |
| Gas Path Material | PTFE-lined stainless steel |
| Cooling Method | Staged refrigeration + condensate aggregation |
| Mounting | Panel-mount (19″ rack compatible) |
| Liquid Level Alarm Output | Dry contact relay (NO/NC configurable) |
| Integrated Pump Mounting | Yes (for sampling pump & peristaltic drain pump) |
| Brand | Huayun Instruments |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | OEM Manufacturer |
| Region Category | Domestic (China) |
| Model | HY-4000 |
| Price | USD 4,200 (FOB Beijing) |
| Gas Mixing Ratio Range | 0.1–99.9% of source gas |
| Output Flow Rate | 600 mL/min |
| Mixing Accuracy | ±1% |
| Linearity Error | ±1% |
| Repeatability | ±1% |
| Response Time | ≤5 s |
| Output Pressure | 34 kPa |
| Operating Temperature | 0–50 °C |
| Dimensions | 240 × 300 × 120 mm |
| Weight | 1.8 kg |
| Brand | Huayun Instruments |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | HY-400 |
| Price | USD 5,600 (FOB Beijing) |
| Brand | OTT Hydromet |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | Hydrolab HL7 |
| Pricing | Upon Request |