Environmental Monitoring Instruments
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| Brand | Cubic |
|---|---|
| Origin | Hubei, China |
| Model | Gasboard-7500H |
| Detection Principle | Ultrasonic Time-of-Flight (TOF) |
| O₂ Concentration Range | 0–100% vol (PSA-specific: 20.5–95.6% vol) |
| O₂ Flow Range | 0–10 L/min |
| Concentration Accuracy | ±1.5% FS @ (5–45)°C |
| Flow Accuracy | ±0.2 L/min @ (5–45)°C |
| Concentration Resolution | 0.1% vol |
| Flow Resolution | 0.1 L/min |
| Response Time (Concentration) | ≤1.5 s |
| Response Time (Flow) | ≤0.3 s |
| Operating Temperature | −5°C to +50°C |
| Operating Humidity | 0–95% RH (non-condensing) |
| Storage Temperature | −20°C to +60°C |
| Supply Voltage | DC 4.75–12.6 V (ripple < 50 mV) |
| Average Current Consumption | <35 mA |
| Output Interface | UART TTL (3.3 V logic level) |
| Dimensions | 80 × 22 × 25 mm (W × H × D) |
| Certifications | CMC, CE, EMC, RoHS |
| Calibration | Factory-calibrated |
| Application Scope | Binary gas mixtures containing O₂ (e.g., O₂/N₂, O₂/Ar) |
| Brand | Gasera |
|---|---|
| Origin | Finland |
| Model | CF4 |
| Principle | Photoacoustic Infrared Spectroscopy (PA-IR) |
| Type | Online Analyzer |
| Response Time | ≤10 s (typical, configurable via Channel Integration Time) |
| Repeatability | <1% of reading at calibration concentration |
| Detection Limit | <0.1 ppb for CF₄ |
| Dynamic Range | >5 decades |
| Accuracy | ±5% of reading (limited by calibration gas uncertainty) |
| Operating Temperature | 0–49 °C |
| Pressure Range | 750–1050 mbar |
| IP Rating | IP20 |
| Dimensions | 484 × 139 × 440 mm (W×H×D) |
| Weight | ~13 kg |
| Power | 90–264 VAC, 47–63 Hz, max 75 W |
| Data Storage | ≥1 year continuous logging (1-min intervals) |
| Sample Flow | ~1 L/min |
| Particulate Tolerance | <1 µm |
| Compliance | EU Low Voltage Directive 2014/35/EU, EMC Directive 2004/108/EC, RoHS II 2011/65/EU |
| Interface Options | Ethernet, USB, optional RS485/RS232, 4–20 mA, 0–10 V, Modbus, AK protocol |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | GXH-3010E |
| Instrument Type | Portable |
| Detection Target | Single-component (CO₂) |
| Measurement Range | 0–0.500% v/v (configurable to 0–1.000%) |
| Repeatability | ≤1.0% FS |
| Resolution | 0.001% v/v |
| Response Time (t₀–t₉₀) | ≤15 s |
| Zero Drift | ≤±2% FS/h |
| Span Drift | ≤±2% FS/3 h |
| Linearity Error | ≤±2% FS |
| CO Interference | ≤±0.3% FS at 1250 mg/m³ CO |
| Temperature Effect | ≤±2% FS/10°C (10–45°C) |
| Warm-up Time | ≤10 min |
| Sample Flow Rate | 0.5–1.0 L/min |
| Power Supply | AC 220 V ±10% or rechargeable Li-ion battery |
| Dimensions | 210 × 165 × 85 mm |
| Weight | ≤2.0 kg |
| Brand | Jilin University Xiaotian’e |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Classification | Domestic (China) |
| Model | GDYK-601S |
| Price | Upon Request |
| Detection Limit | 0.01 mg/m³ |
| Measurement Range | 0.0–1.0 mg/m³ |
| Accuracy | ±5% |
| Method Compliance | GB/T 18204.27–2000 |
| Analysis Time | ≤10 minutes |
| Sample Handling | Integrated pre-treatment module + single-use reagent kit |
| Brand | Jilin University Xiaotianshe |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | Direct Manufacturer |
| Origin Category | Domestic (China) |
| Model | GDYS-101SC2 |
| Instrument Type | Portable/HANDHELD Water Quality Analyzer |
| Measured Parameter | Ozone (O₃) |
| Detection Method | DPD Colorimetric Method |
| Lower Detection Limit | 0.05 mg/L |
| Measurement Range | 0.00–2.50 mg/L |
| Accuracy | ±3% of full scale |
| Analysis Time | ≤3 minutes per sample |
| Reagent Format | Single-use, pre-packaged DPD reagent kits |
| Brand | Jilin University Xiaotian’e |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | Direct Manufacturer |
| Origin Category | Domestic (China) |
| Model | GDYS-101SI2 |
| Price Range | USD 280–1,400 (FOB) |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Measured Parameter | Calcium (Ca²⁺) |
| Detection Limit | 0.10 mg/L |
| Measurement Range | 0.00–2.00 mg/L |
| Accuracy | ±3% of full scale |
| Method | CPPI (Colorimetric Photometric Procedure with Integrated Reagent) |
| Brand | Jilin University Xiaotianshe |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | Direct Manufacturer |
| Origin Category | Domestic (China) |
| Model | GDYS-101SP |
| Pricing | Available Upon Request |
| Detection Limit | pH 5.50 |
| Measurement Range | pH 5.50–9.00 |
| Accuracy | ±5% of full scale |
| Analysis Time | ≤3 minutes per sample |
| Reagent Format | Single-use, pre-calibrated test kits |
| Brand | Jilin University Xiaotian’e |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Classification | Domestic (China) |
| Model | GDYS-101SQ |
| Price Range | USD 700–1,400 (FOB) |
| Instrument Type | Portable |
| Detection Limit | 10.0 mg/L |
| Measurement Range | 0.0–500.0 mg/L |
| Accuracy | ±5% of reading |
| Method | Sealed Reflux Colorimetric Analysis |
| Analysis Time | ≤20 minutes per sample |
| Reagent Format | Single-use proprietary reagent vials |
| Brand | Jilin University Xiaotian’e |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | Direct Manufacturer |
| Origin Category | Domestic (China) |
| Model | GDYS-101ST |
| Pricing | Upon Request |
| Detection Limit | 0.1 mg/L |
| Measurement Range | 0.0–3.0 mg/L |
| Accuracy | ±5% |
| Method Standard | GB/T 5750.6–2006 |
| Brand | Jilin University Xiaotianshe |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Origin Category | Domestic (China) |
| Model | GDYS-101SZ |
| Pricing | Available Upon Request |
| Detection Limit | 5 NTU |
| Measurement Range | 0–400 NTU |
| Accuracy | ±5% of reading |
| Brand | Jilin University Xiaotian’e |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | Direct Manufacturer |
| Origin Category | Domestic (China) |
| Model | GDYS-102SA2 |
| Price Range | USD 280–1,400 |
| Instrument Type | Portable/Handheld Water Quality Analyzer |
| Target Analyte | Nitrate Nitrogen (NO₃⁻-N) |
| Detection Limit | 0.2 mg/L |
| Measurement Range | 0.0–4.0 mg/L |
| Accuracy | ±5% of full scale |
| Analysis Time | ≤20 minutes per sample |
| Reagent Format | Single-use, pre-packaged test kits |
| Brand | Jilin University XIAOTIAN'E |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | Manufacturer |
| Origin Category | Domestic |
| Model | GDYS-102SB |
| Quotation | Upon Request |
| Detection Limit | 25.0 mg/L CaCO₃ |
| Measurement Range | 0.0–750.0 mg/L CaCO₃ |
| Accuracy | ±5% of full scale |
| Analysis Time | ≤5 minutes per sample |
| Reagent Format | Single-use, pre-calibrated test kit |
| Brand | Jilin University Xiaotian’e |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Classification | Domestic (China) |
| Model | GDYS-102SH2 |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Measured Parameter | Sulfate |
| Detection Limit | 2.0 mg/L |
| Measurement Range | 0.0–20.0 mg/L |
| Accuracy | ±5% |
| Analysis Time | ≤5 minutes |
| Reagent Format | Single-use, pre-packaged test kit |
| Brand | Jilin University Xiaotian’e |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | GDYS-102SJ2 |
| Instrument Type | Portable/HANDHELD Water Quality Analyzer |
| Target Analyte | Urea |
| Detection Limit | 0.5 mg/L |
| Measurement Range | 0.0–10.0 mg/L |
| Accuracy | ±5% |
| Analysis Time | 50 minutes per sample |
| Reagent Format | Single-use dedicated reagent kit |
| Brand | Jida Xiaotian'e |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | GDYS-102SK |
| Price Range | USD 280–1,400 (FOB) |
| Instrument Type | Portable/Handheld Water Quality Analyzer |
| Measured Parameter | Permanganate Index (COD<sub>Mn</sub>) |
| Detection Limit | 0.50 mg/L |
| Measurement Range | 0.00–8.00 mg/L |
| Accuracy | ±5% of reading |
| Method | Micro-titration with pre-packaged reagent kit |
| Analysis Time | ≤10 minutes per sample |
| Sample Matrix | Drinking water and raw water sources with chloride concentration <300 mg/L (as Cl⁻) |
| Brand | Jilin University Xiaotian’e |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | Direct Manufacturer |
| Origin Category | Domestic (China) |
| Model | GDYS-102SN |
| Pricing | Available Upon Request |
| Detection Limit | 0.05 mg/L |
| Measurement Range | 0.00–1.00 mg/L |
| Accuracy | ±5% |
| Analysis Time | ≤3 minutes |
| Reagent Format | Single-use, pre-packaged test kit |
| Brand | Jilin University Xiaotian’e |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | Direct Manufacturer |
| Origin Category | Domestic (China) |
| Model | GDYS-102SY |
| Instrument Type | Portable/HANDHELD Water Quality Analyzer |
| Target Analyte | Phosphate |
| Detection Limit | 0.1 mg/L |
| Measurement Range | 0.0–1.0 mg/L |
| Accuracy | ±5% |
| Analysis Time | ≤15 minutes |
| Reagent Format | Single-use, pre-packaged test kits |
| Brand | Jilin University Xiaotian’e |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | Direct Manufacturer |
| Origin Category | Domestic (China) |
| Model | GDYS-103SA2 |
| Instrument Type | Portable/HANDHELD Water Quality Analyzer |
| Target Analyte | Arsenic (As) |
| Detection Limit | 0.006 mg/L |
| Measurement Range | 0.000–1.000 mg/L |
| Accuracy | ±5% |
| Analysis Time | ≤60 minutes |
| Reagent Format | Single-use, pre-packaged test kits |
| Compliance | Designed for field-deployable, on-site quantitative arsenic analysis in drinking water and surface water per Chinese EPA HJ 694-2014 and WHO Guideline Values (10 µg/L) |
| Brand | Jiada Xiaotian’e |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Portable Water Quality Analyzer |
| Model | GDYS-103SF2 |
| Detection Parameter | Anionic Surfactants (e.g., LAS, AES) |
| Detection Limit | 0.1 mg/L |
| Measurement Range | 0.0–3.0 mg/L |
| Accuracy | ±5% |
| Analysis Time | ≤5 min per sample |
| Reagent Format | Single-use, pre-packaged test kits |
| Compliance | Designed for field-deployable compliance screening per GB/T 5750.4–2023 (China Standard for Drinking Water Quality — Determination of Anionic Surfactants) |
| Brand | Jilin University Xiaotian’e |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | GDYS-103SN |
| Instrument Type | Portable/Handheld Water Quality Analyzer |
| Target Analyte | Hydrogen Sulfide (H₂S) |
| Detection Limit | 0.01 mg/L |
| Measurement Range | 0.00–1.00 mg/L |
| Accuracy | ±5% of full scale |
| Analysis Time | ≤20 minutes per sample |
| Reagent Format | Single-use, pre-packaged test kit |
| Brand | Jida Xiaotian'e |
|---|---|
| Origin | Jilin, China |
| Model | GDYS-301MA |
| Instrument Type | Portable/HANDHELD Water Quality Analyzer |
| Measurable Parameters | Free Chlorine, Total Chlorine, Ozone, Fluoride, Ammonia Nitrogen |
| Display | 5-inch Color Touchscreen + 2.9-inch E-Ink Screen |
| Calibration | Pre-loaded Calibration Curves (No Standard Solution Preparation Required) |
| Data Storage | Up to 10,000 Test Records with Conditional Search |
| Connectivity | Bluetooth for Wireless Printing |
| Compliance Context | Designed for field-deployable compliance screening per GB/T 5750 (China’s Standard Methods for Examination of Drinking Water), supports GLP-aligned data traceability |
| Brand | Jilin University Little Swan |
|---|---|
| Origin | Changchun, Jilin, China |
| Model | GDYS-S7000 |
| Instrument Type | Portable Colorimetric Water Quality Analyzer |
| Dimensions | 85 mm × 200 mm × 95 mm |
| Display | Full-color TFT Touchscreen |
| Power | Rechargeable Lithium-ion Battery |
| Weight | <1000 g |
| Detection Parameters | Free Chlorine, Total Chlorine, Chlorine Dioxide, Ozone, Formaldehyde, Chlorite, Available Chlorine |
| Calibration | Pre-stored Multi-point Calibration Curves |
| Connectivity | Bluetooth-enabled for Thermal Printer Integration |
| Sample Cell | Optimized Long-Path Cuvette Design |
| Reagents | Pre-formulated, Single-use Solid/Powdered Reagent Kits |
| Brand | Starwood |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Manufacturer |
| Country of Origin | China |
| Model | GE Auto SDI |
| Price Range | USD 2,800 – 7,000 |
| SDI(15 min) Range | 0–6.7 SDI units |
| Fouling Factor Range | 1–100% |
| Power Supply | 110–120 VAC, 60 Hz or 220–230 VAC, 50 Hz |
| Inlet Connection | 1/4" OD quick-connect fitting |
| Flow Rate | 0.8 gpm (3.0 L/min) |
| Inlet Pressure | 65–100 psi (4.5–6.9 bar) |
| Dimensions (H×L×W) | 6×14×10 in (15×36×26 cm) |
| Weight | 8.0 lb (3.6 kg) |
| Display | LCD with button interface |
| Membrane Replacement | On-site, tool-free |
| Flow Calibration | Built-in flow standard |
| Data Retention | Persistent display until manual reset |
| Repeatability | ±0.2 SDI units |
| Acoustic Alert | Audible alarm with silent mode option |
| Enclosure | Rugged portable case |
| Compliance | ASTM D4189-07 |
| Brand | GENESITE |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | OEM/ODM Producer |
| Product Type | Domestic |
| Model | GNST-227FP |
| Instrument Category | Online Real-time Monitoring System |
| Operating Temperature Range | 0–50 °C |
| pH Range | 0–14 pH |
| Dissolved Oxygen (DO) Range | 0–20 mg/L |
| Conductivity Ranges | 0–5000 µS/cm and 0–200 mS/cm |
| Turbidity Ranges | 0–100 NTU and 0–1000 NTU |
| Power Supply | 12 VDC Li-ion battery (60 Ah), 12 V/80 W solar panel |
| Buoy Dimensions | 550 mm × 550 mm × 1200 mm |
| Weight | 20 kg |
| Buoyancy Capacity | 40 L |
| Peak Power Consumption | 10 W |
| Sensor Power Consumption | 0.2 W per unit |
| Communication Interface | RS-485 (Modbus RTU protocol) |
| Wireless Transmission | Cellular (LTE-M/NB-IoT) + optional LoRaWAN |
| Video Module | 1080P IP camera with 355° pan-tilt rotation |
| GPS Positioning | Integrated |
| Enclosure Material | SUS304 stainless steel filtration housing |
| Environmental Protection | IP68-rated sensor housing, marine-grade corrosion resistance |
| Relay Outputs | 8 independent programmable relays |
| Remote Control Capability | Sensor activation/deactivation, camera control, scheduled cycling, firmware OTA updates |
| Cloud Platform | Web-based dashboard with multi-user role management |
| Mobile Access | iOS/Android native app with real-time alerts and historical trend visualization |
| Battery Autonomy | ≥15 days under intermittent operation during overcast/rainy conditions |
| Compliance | Designed to meet ISO 5667-16 (water quality sampling—field instrumentation), ASTM D888 (dissolved oxygen measurement), and IEC 60529 (IP rating) standards |
| Brand | GENESITE |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | SJ-D80 NH₃-N |
| Instrument Type | Portable |
| Measurement Principle | Nessler Reagent Colorimetry (per HJ 535–2009) |
| Measurement Range | 0–150 mg/L NH₃-N |
| Accuracy | ±5% FS |
| Measurement Time | ≤10 min per sample |
| Sample Throughput | 1 sample per run |
| Display | 3.5″ TFT color touchscreen (320×480 px) |
| Optical Resolution | 0.001 Abs |
| Photometric Stability | ±0.003 Abs/30 min |
| Power Supply | 4 × AA alkaline batteries or 220 V AC adapter |
| Dimensions (L×W×H) | 192 × 96 × 103 mm |
| Weight | 0.5 kg (instrument only) |
| Data Export | SD card (FAT32 formatted, up to 32 GB) |
| Calibration Options | Built-in standard curve library + user-defined curve generation |
| Brand | Genetc |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Manufacturer |
| Country of Origin | China |
| Model | QG-100 |
| Price | Upon Request |
| Flow Rate | 100 L/min |
| Cut-Point Diameter (Da50) | (10 ± 0.5) µm |
| Geometric Standard Deviation (σg) | (1.5 ± 0.1) |
| Filter Membrane Effective Diameter | Ø80 mm |
| Construction Material | Anodized Aluminum Alloy |
| Compliance | HJ/T 93–2003, HJ 618–2011 |
| Brand | Genetec |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Type | Portable |
| Model | KB-6D |
| Compliance | HJ 732–2014, HJ 38–2017, HJ 604–2017 |
| Sampling Principle | Vacuum-assisted passive bag sampling with positive-pressure purge and negative-pressure draw |
| Power Supply | Rechargeable Li-ion battery (AC/DC compatible) |
| Flow Control | Adjustable sampling pump |
| Sample Interface | PTFE-filtered heated sampling probe |
| Tubing Material | Chemically inert (perfluoroalkoxy, PFA or equivalent) |
| Weight | Lightweight, field-portable design |
| Operating Mode | Manual valve-actuated purge-and-fill cycle |
| Brand | Genetec |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | OEM/ODM Producer |
| Product Category | Domestic |
| Model | QG-100 |
| Pricing | Upon Request |
| Flow Rate | 100 L/min |
| Effective Filter Area | Ø80 mm |
| PM10 Cut-Point | Da₅₀ = (10 ± 0.5) µm, σg = (1.5 ± 0.1) |
| PM2.5 Cut-Point | Da₅₀ = (2.5 ± 0.2) µm, σg = (1.2 ± 0.1) |
| PM1 Cut-Point | Da₅₀ = (1.0 ± 0.2) µm |
| Compliance | HJ 618–2011, HJ/T 93–2003 |
| Brand | Genetec |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Country of Manufacture | China |
| Model | QG-1000 |
| Pricing | Upon Request |
| Operating Flow Rate | 1.050 m³/min |
| Cut-Point Diameter (Da₅₀) | (10 ± 0.5) µm |
| Geometric Standard Deviation (σg) | (1.5 ± 0.1) |
| Material | Anodized Aluminum Alloy |
| Compliance | HJ 618–2011, HJ/T 93–2003 |
| Brand | GEORADIS |
|---|---|
| Origin | Czech Republic |
| Model | RT-50 A |
| Instrument Type | Laboratory Gamma Spectrometer |
| Detector Type | NaI(Tl) Scintillation Crystal (76 mm × 76 mm, 0.35 L) |
| Measurement Range | 20 keV – 3.0 MeV |
| Energy Resolution | ≤7.5% FWHM at 662 keV (¹³⁷Cs) |
| Sensitivity | 0.02 Bq/g (for ⁶⁰Co) |
| Channel Count | 1024-channel MCA |
| Shielding | ≥9 cm lead equivalent (min. wall thickness 3.5 in), integrated sliding heavy-duty shielded lid |
| Dimensions (H×W×D) | 770 × 360 × 620 mm |
| Weight | 410 kg (lead-shielded configuration: 580 kg) |
| Interface | USB 2.0 |
| Operating Temperature | 0–40 °C |
| Software Platform | LabCentre (Windows/Linux, FirebirdSQL 2.6+) |