Environmental Monitoring Instruments
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| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Regional Origin | Domestic (China) |
| Model | CD10 |
| Pricing | Available Upon Request |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Domestic |
| Model | CD4(A) |
| Price | Upon Request |
| Gas Detection Capabilities | O₂, NH₃, NO, H₂ |
| Detection Principle | Potentiostatic Electrolytic Sensors |
| Measurement Ranges | NO (0–250 ppm), O₂ (0.0–30.0 %vol), H₂ (0–1000 ppm), NH₃ (0.0–100 ppm) |
| Accuracy | NO (±10% of true value, 0–250 ppm), O₂ (±5% vol for 0.0–5.0%, ±3% FS for >5.0–30.0%), H₂ (±4 ppm for 0–100 ppm |
| Alarm Accuracy | NO (±1 ppm at 10 ppm setpoint), O₂ (±0.3% vol at 15.0% vol setpoint), H₂ (±1 ppm at 50 ppm setpoint), NH₃ (±1 ppm at 10 ppm setpoint) |
| Response Time (200 mL/min flow) | O₂ ≤35 s, NO ≤45 s, NH₃ ≤60 s, H₂ ≤60 s |
| Audible Alarm Level | ≥75 dB(A) at 1 m |
| Visual Alarm Visibility | ≥20 m in darkness |
| Battery Life | >10 h continuous operation |
| Dimensions & Weight | 135 × 60 × 20 mm / 200 g |
| Power Supply | Rechargeable Li-ion, nominal 7.2 V, max open-circuit voltage 8.0 V, max short-circuit current 2.5 A, operating current ≤120 mA |
| Ingress Protection | IP55 |
| Explosion Protection | Exib I Mb |
| Operating Temperature | −20 to +55 °C |
| Operating Humidity | 0–95% RH (non-condensing) |
| Housing Material | Antistatic ABS + PC soft-touch overmold |
| Sensor Lifespan | >2 years (O₂, NH₃, NO, H₂) |
| Certifications | MA (Mine Safety Mark), CNEx explosion-proof certification, third-party calibration and verification reports |
| Optional Features | Configurable data logging interval, USB interface for data download and report generation |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | CD4(B) |
| Pricing | Available Upon Request |
| Detection Gases | CO₂, CO, H₂S, SO₂ |
| Detection Principles | Non-Dispersive Infrared (NDIR) for CO₂ |
| Measurement Ranges | CO: 0–1000 ppm |
| SO₂ | 0.0–100.0 ppm |
| H₂S | 0.0–100.0 ppm |
| CO₂ | 0.00–5.00% vol |
| Accuracy | CO: ±2 ppm (0–20 ppm), ±4 ppm (20–100 ppm), ±5% FS (100–500 ppm), ±6% FS (500–1000 ppm) |
| SO₂ | ±5.0 ppm (0–50 ppm), ±10% FS (50–100 ppm) |
| H₂S | ±3 ppm (0–49 ppm), ±10% FS (50–100 ppm) |
| CO₂ | ±0.10% (0–0.50%), ±(0.05% + 5% of reading) (0.50–5.00%) |
| Alarm Accuracy | CO: ±1 ppm at 25 ppm |
| SO₂ | ±0.2 ppm at 10 ppm |
| H₂S | ±1 ppm at 10 ppm |
| CO₂ | ±0.05% at 1.00% |
| Response Time (200 mL/min) | ≤45 s (CO, SO₂, H₂S), ≤60 s (CO₂) |
| Audible Alarm | ≥75 dB(A) at 1 m |
| Visual Alarm | Blue LED strobe visible ≥20 m in darkness |
| Vibration Alert | Integrated haptic feedback |
| Display | 2.4″ TFT color LCD with bilingual (English/Chinese) UI |
| Data Logging | Optional internal storage with configurable interval |
| Interface | USB 2.0 for data export and firmware update |
| Battery | Rechargeable Li-ion, 7.2 V nominal, ≤120 mA avg. current draw |
| Runtime | >10 h continuous operation |
| Enclosure | ABS+PC dual-material impact- and ESD-resistant housing |
| Dimensions & Weight | 135 × 60 × 20 mm / 200 g |
| Environmental Rating | IP55 |
| Hazardous Area Certification | Exib I Mb (for use in coal mine methane environments) |
| Operating Temp. | −20 °C to +55 °C |
| Operating Humidity | 0–95% RH non-condensing |
| Sensor Lifespan | CO₂: >5 years |
| CO/H₂S/SO₂ | >2 years each |
| Regulatory Compliance | MA (Mine Safety Mark), CNEx explosion-proof certification, CNAS-accredited test reports |
| Brand | — |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Region of Manufacture | Domestic (China) |
| Model | P-51 |
| Pricing | Upon Request |
| Detection Principle | Colorimetric Gas Detection Tube Method |
| Compliance | Designed to meet CDC-recommended field screening protocols for emergency response and occupational health assessments |
| Brand | FPI |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | OEM Manufacturer |
| Country of Origin | China |
| Model | CE318 |
| Pricing | Available Upon Request |
| Brand | Cerex |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | Open Path-FTIR |
| Detection Principle | Fourier Transform Infrared (FTIR) Spectroscopy |
| Instrument Type | Online Continuous Emission Monitor |
| Typical Configuration | Multi-Gas VOC & HAPs Analyzer |
| Detection Range | 0–100 ppb (gas-dependent) |
| Spectral Resolution | 0.05–0.5 cm⁻¹ (not nm — corrected per FTIR standard) |
| Accuracy | ±1–3% of reading |
| Response Time | 1 Hz (1 spectrum per second) |
| Detector | Liquid-Nitrogen-Free Stirling-Cooled MCT |
| Cooling System | Integrated Stirling Cryocooler (MTBF ≥20,000 hrs) |
| Consumables | IR Source & Cryocooler (replacement interval: every 3 years) |
| Gas Coverage | >385 gases, including 100+ EPA-listed Hazardous Air Pollutants (HAPs), acids, aldehydes, aromatics, CFCs, greenhouse gases, hydrocarbons, and combustion byproducts |
| Brand | Cerex |
|---|---|
| Origin | Hubei, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | Open Path UV-DOAS |
| Detection Principle | Ultraviolet Differential Optical Absorption Spectroscopy (UV-DOAS) |
| Instrument Type | Online Continuous Emission Monitor |
| Typical Configuration | Multi-Component VOC & Inorganic Gas Analyzer |
| Detection Range | 0.1–10 ppb (gas-dependent) |
| Resolution | 0.1 ppb |
| Accuracy | ±0.1% of full scale |
| Response Time | <1 s |
| Optical Path Length | 0–2000 m |
| Compliance | ASTM D6348, ISO 12039, EN 15267-3 (configurable), US EPA Method TO-14/TO-15 compatible (with optional calibration gas manifold) |
| Brand | CerexMS |
|---|---|
| Origin | USA |
| Model Variants | Mini Hound-FR (8.5 m optical path), Hound-FR (17 m optical path), Micro Hound-FR (2 m optical path) |
| Portability | Portable |
| Response Time | < 1 s |
| Detection Principle | Ultraviolet Differential Optical Absorption Spectroscopy (UV-DOAS) |
| Detection Capability | Simultaneous real-time quantification of up to 15 gas species |
| Detection Limit | Sub-ppb level for key analytes (e.g., SO₂, NO₂, O₃, benzene, toluene, formaldehyde) |
| Integrated Components | Rechargeable battery pack, high-resolution UV spectrometer (200–400 nm), 15 CFM sampling pump, sub-micron particulate filter |
| Regulatory Alignment | Designed to support EPA Method TO-15 / TO-14A compliance workflows, compatible with ISO 12039 and ASTM D6348 validation frameworks |
| Brand | CerexMS |
|---|---|
| Origin | USA |
| Model | Shepherd |
| Instrument Principle | Infrared Absorption Spectroscopy (FTIR) |
| Type | Portable |
| Response Time | <1 s |
| Repeatability | High for all IR-active species |
| Detection Range | Sub-ppb to % v/v |
| Gas Library | 385+ compounds (including >100 HAPs) |
| Optical Path Length | 20 m (fixed, multipass) |
| Detector | Liquid-nitrogen-free cryogenically cooled MCT |
| Data Output | Raw interferograms, calibrated spectra, concentration time-series, CSV export |
| Compliance | Designed for EPA Method 320 / ASTM D6348 / ISO 12039 alignment |
| Software | CMS Continuous Monitoring Software (Windows Embedded, touchscreen UI) |
| Connectivity | Wi-Fi, Ethernet, USB |
| Alarm Options | Visual, audible, email, remote notification |
| Calibration | Built-in reference cell + user-definable multi-point calibration |
| Maintenance | Two consumables only — IR source and thermoelectric cooler compressor |
| Brand | Chelsea |
|---|---|
| Origin | United Kingdom |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | GlowTracka |
| Price | Upon Request |
| Brand | Chelsea |
|---|---|
| Origin | UK |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | MicroSTAF |
| Pricing | Upon Request |
| Brand | CTG |
|---|---|
| Origin | UK |
| Model | UviLux-RO |
| Instrument Type | Online |
| Measurement Principle | Ultraviolet-Induced Fluorescence Spectroscopy |
| Measurement Range | 0–300 µg/L |
| Detection Limit | 0.005 µg/L |
| Accuracy | ±0.005 ppm |
| Resolution | 0.005 ppm |
| Sampling Frequency | 10 Hz |
| Dimensions | Ø70 mm × 149 mm |
| Air Weight | 0.8 kg |
| In-Water Buoyant Weight | 0.15 kg |
| Pressure Rating | 600 m |
| Housing Material | Acetal C |
| Electrical Interface | Subcon MCBH6M |
| Power Input | 9–36 V DC |
| Power Consumption | <1 W @ 12 V |
| Operating Temperature | −2 to +40 °C |
| Storage Temperature | −40 to +70 °C |
| Digital Output | RS232 (RS422 & SDI-12 optional) |
| Analog Output | 0–5 V DC |
| Excitation Wavelength | UV (265 nm typical) |
| Emission Detection Band | Optimized for PAHs (e.g., naphthalene, phenanthrene, pyrene) |
| Brand | Chelsea Technology Group |
|---|---|
| Model | Seasentry |
| Origin | United Kingdom |
| Application | Real-time inlet/outlet seawater monitoring for marine scrubbers |
| Compliance | ISO 7027:1999 (turbidity), PAH detection optimized for EGCS washwater discharge verification |
| Connectivity | Ethernet (TCP/IP), Modbus TCP support |
| Sensor Integration | Dual-stream UviLux optical sensors (PAH + turbidity), pH, temperature, flow switch |
| Media Compatibility | Seawater and freshwater |
| Cabinet | IP65-rated sensor enclosure with internal air purge system |
| Target Users | EGCS OEMs, shipbuilders, class societies, flag state auditors |
| Brand | Chelsea |
|---|---|
| Origin | UK |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | TriLux |
| Price | Upon Request |
| Brand | Chelsea |
|---|---|
| Origin | United Kingdom |
| Manufacturer | Chelsea Technologies Group Ltd. (CTG) |
| Model | UniLux |
| Output Options | RS232 + 0–5 V analog (RS422 or SDI-12 optional) |
| Excitation Wavelength | User-selectable per fluorophore |
| Detection Limits | Chlorophyll a < 0.01 µg/L |
| Dynamic Range | 0–100 µg/L (fluorophores), 0–100 FTU (turbidity) |
| Sampling Frequency | 0.1–3 Hz (user-adjustable) |
| Dimensions | Ø26.5 mm × 105 mm (140 mm including connector) |
| Weight in Air | 100 g |
| Pressure Rating | 600 m |
| Housing Material | Acetal |
| Operating Voltage | 11–25 V DC |
| Power Consumption | 1 W @ 12 V DC |
| Interface | MCBH-6-MP-SS |
| Brand | CHEMetrics |
|---|---|
| Origin | USA |
| Model | V-3000 |
| Instrument Type | Portable / Handheld Photometer |
| Measured Parameters | pH, ORP, Turbidity, Dissolved Oxygen (DO), Detergents, Sulfide, Free Chlorine, Total Chlorine, Ammonia-N, Phosphate, Nitrate-N, Nitrite-N, Sulfate, Copper, Iron, Zinc, Aluminum, and other ionic species |
| Detection Method | Colorimetric Analysis via Self-Filling Reagent Ampoules (CHEMetrics Patented Vacuum-Pull Technology) |
| Display | Integrated LCD with Button Interface |
| Preloaded Methods | >50 Standard EPA/ISO-Compatible Test Programs |
| Custom Methods Storage | Up to 10 |
| Data Storage Capacity | 100–1,000 Measurements |
| Connectivity | USB for PC export and printer output |
| Enclosure Rating | IP67-rated waterproof & dustproof housing |
| Power | Rechargeable Li-ion battery (up to 20 hours continuous operation) |
| Compliance | Designed to support ASTM D1293 (pH), ASTM D3370 (turbidity), EPA 365.3 (phosphate), EPA 350.1 (ammonia), ISO 7027 (turbidity), ISO 8694 (chlorine), and USP <643> (conductivity-related water purity contexts) |
| Brand | Chemins |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Origin | Domestic (China) |
| Model | iDO-306 |
| Pricing | Available Upon Request |
| Brand | Chemins |
|---|---|
| Model | MPS-400 |
| Origin | Zhejiang, China |
| Manufacturer | Chemins Instrument Technology Co., Ltd. |
| Sensor Interface | RS-485 (Modbus RTU) |
| Communication Protocol | Modbus RTU |
| Output | Digital (SDI-12 optional) |
| Max Simultaneous Parameters | 8 (including temperature) |
| Cleaning Mechanism | Motorized brush-based auto-clean system with programmable interval (1–1440 min) and rotation count (1–20 cycles) |
| Enclosure Rating | IP68 |
| Connector Type | Waterproof quick-disconnect M12 circular connector |
| Probe Protection | Perforated stainless-steel guard sleeve with ≥2 mm slot width |
| Compatible Sensor Modules | Dissolved Oxygen (optical or electrochemical), COD (UV-Vis absorption), Conductivity/Salinity, Turbidity (90° scattered light), Ammonia-N (ion-selective), pH (glass electrode or ISFET), ORP (Pt/AgCl reference) |
| Brand | Chemins |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | OEM Manufacturer |
| Model | TN-300C |
| Pricing | Upon Request |
| Brand | Chemo |
|---|---|
| Origin | Hubei, China |
| Manufacturer Type | Authorized Distributor |
| Product Category | Domestic |
| Model | TOC-4300Online |
| Instrument Type | Online TOC Analyzer |
| Detection Principle | Non-Dispersive Infrared Absorption (NDIR) |
| Oxidation Method | UV/Persulfate Oxidation |
| Measurement Range | 0–100 mg/L |
| Accuracy | ±5% |
| Resolution | 1 ppb |
| Detection Limit | 5 ppb |
| Repeatability | ≤3% |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Regional Origin | Domestic (PRC) |
| Pricing | Available Upon Request |
| Radiation Detection Capabilities | X-ray, γ-ray, α-particle, β-particle |
| Gas Sampling Volume | 100 mL per draw |
| Detection Tube Length | Standard 100–150 mm |
| Enclosure Material | Anodized Aluminum Alloy (IP65-rated) |
| Weight (Fully Loaded) | ~8.2 kg |
| Brand | ChemTron |
|---|---|
| Origin | Germany |
| Model | DCA |
| Measurement Principle | Wilhelmy Plate Method |
| Surface Tension Range | 1–1000 mN/m |
| Accuracy | ±0.02 mN/m |
| Resolution | 0.01 mN/m |
| Maximum Sample Weight | ≤110 g |
| Density Measurement Range (with optional accessories) | 0.5–2.25 g/cm³ |
| Density Readability | 0.00005 g/cm³ |
| Density Reproducibility | ±0.00005 g/cm³ |
| Temperature Control Range (with jacketed cell & PT100 sensor) | 0–50 °C |
| Temperature Accuracy | ±0.05 °C |
| Temperature Readability | 0.1 °C |
| Power Supply | 230 V (−15% / +10%), 50 Hz, 10 VA |
| Dimensions (W × D × H) | 210 × 370 × 380 mm |
| Weight | 8 kg |
| Brand | ChemTron |
|---|---|
| Origin | Germany |
| Model | TDS |
| Measurement Principle | Wilhelmy Plate & Du Noüy Ring Methods |
| Max Force Range | 60 g |
| Surface Tension Accuracy | ±0.2 mN/m |
| Units | mN/m (equivalent to dyne/cm) |
| Standard Accessories | Custom Glass Plate (24×24×0.15 mm), Plate Suspension System, Borosilicate Glass Sample Cup, Manual Height-Adjustable Stand |
| Optional Accessories | PT100 1/3 DIN Temperature Sensor (10–30 °C, ±0.05 °C accuracy, 0.1 °C resolution), Wilhelmy Platinum Plate, Double-Wall Jacketed Thermostatted Cell, Du Noüy Platinum Ring (requires density measurement via sinker and jacketed cell) |
| Brand | CHINYEE |
|---|---|
| Origin | Germany |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | 5-100-1 |
| Instrument Type | Online Analyzer |
| Typical Configuration | TVOC Analyzer |
| Detection Range | 0–1000 ppm |
| Resolution | 0.1 ppm |
| Accuracy | ±5% of reading |
| Response Time | <60 s |
| Detection Principle | Flame Ionization Detection (FID) |
| Sensitivity (CH₄) | ≤1 ppm full-scale |
| Detector Heating Zone Temperature | 190 °C |
| Carrier/Combustion Air Supply | Integrated zero-air generator |
| Measurement Ranges (selectable) | 0–10, 0–100, 0–1,000, 0–10,000, 0–100,000 ppm (as C₁ equivalent) |
| Brand | EXPEC |
|---|---|
| Model | CHL-300 |
| Measurement Principle | In-situ Fluorescence Detection |
| Output Interface | RS-485 with Modbus RTU Protocol |
| Cleaning Mechanism | Integrated Motorized Brush |
| Power Management | Low-Power Embedded Architecture |
| Environmental Rating | IP68 Submersible Housing |
| Deployment Mode | Continuous Online Monitoring |
| Sample Type | Natural Freshwater, Estuarine, and Marine Waters |
| Compliance | Designed for ASTM D7912-17 (Standard Test Method for Chlorophyll a in Water by Fluorometric Determination) and ISO 10260:2021 (Water Quality — Determination of Chlorophyll a — Fluorometric Method) |
| Brand | -- |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Country of Manufacture | China |
| Model | CHL-5Z |
| Price | Upon Request |
| Measurement Range | 0.0–200 µg/L (fluorescence-intensity calibrated) |
| Resolution | 0.1 µg/L |
| Display | 3.5-digit LCD |
| Excitation Wavelength | 400–470 nm |
| Emission Wavelength | 600–700 nm |
| Repeatability | ±2% (under controlled conditions) |
| Operating Temperature | 5–35 °C (non-freezing, shielded from direct sunlight) |
| Protection Rating | IP63-equivalent |
| Power Supply | DC 4.5 V (3 × AAA/LR03 batteries) |
| Auto Power-Off | After 30 minutes of inactivity |
| Dimensions | 75 mm (W) × 38 mm (H) × 180 mm (D) |
| Weight | ~300 g |
| Standard Accessories | Instrument body, alkaline batteries, instruction manual, warranty card, carrying case |
| Brand | Environ Lab |
|---|---|
| Origin | USA |
| Model | ChloroTech 121 |
| Detection Principle | UV-Induced Fluorescence |
| Measurement Modes | Dual-Channel (Live Chlorophyll a + Turbidity) |
| Weight | <500 g |
| Power Supply | 4 × AAA batteries (≥1000 measurements per set) |
| Ingress Protection | IP67 |
| Calibration | Integrated on-board calibration module |
| Consumables | Disposable cuvettes (13 mm pathlength, polystyrene) |
| Compliance | ASTM D3921–22 (Standard Practice for Determination of Chlorophyll a in Water by Fluorometric Method), ISO 10260:2021 (Water Quality — Determination of Chlorophyll a — Fluorometric Method) |
| Brand | Chu Ding Technology |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Regional Classification | Domestic (PRC) |
| Model | HAS-100B |
| Instrument Type | Handheld Air Sampling Pump |
| Configuration | Single-Channel Gas Sampler |
| Flow Range | 0–10 L/min |
| Maximum Vacuum Pressure | >26 kPa |
| Flow Stability | <5% deviation over 1 h |
| Flowmeter Accuracy | ±2.5% FS |
| Service Life at Max Flow & Backpressure | >500 h |
| Continuous Operation at Max Flow & Backpressure | 0–30 min |
| Power Source | Rechargeable Ni-MH Battery |
| Display | Dot-Matrix LCD with Real-Time Flow & Battery Status |
| Auto-Power Management | Backlight Off After 30 s Inactivity |
| Compliance | Designed per GB/T 18883–2002 and Anderson Cascade Impaction Principle for Viable Airborne Microorganism Enumeration |
| Brand | Cimel |
|---|---|
| Origin | France |
| Model | CE312 |
| Instrument Type | Portable Radiometric Sensor |
| Application Domain | Environmental Monitoring, Atmospheric Science, Remote Sensing Calibration |
| Spectral Configuration | CE312-1 (4-band) or CE312-2 (6-band) |
| Temperature Range | −80 °C to +60 °C |
| Temperature Resolution | 0.01 °C |
| Response Time | 1 s |
| Field of View | 10° |
| Operating Ambient Temperature | −20 °C to +50 °C |
| Power Supply | Integrated Rechargeable Battery (12 V), Optional Solar Panel |
| Data Storage | Internal Memory via Control Box |
| Measurement Modes | Manual Sampling, Programmable Timed Acquisition |
| Spectral Bands | CE312-1: 8–13 µm, 8.2–9.2 µm, 10.3–11.3 µm, 11.5–12.5 µm |
| CE312-2 | 8–13 µm, 8.1–8.5 µm, 8.5–8.9 µm, 8.9–9.3 µm, 10.3–11.0 µm, 11.0–11.7 µm |