Environmental Monitoring Instruments
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| Brand | Junray |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | ZR-3520 |
| Instrument Type | Conventional Gas Sampler |
| Instrument Configuration | Single-Channel Gas Sampler |
| Flow Range | 0–2.0 L/min |
| Vacuum Pressure | >2.6 kPa |
| Flow Stability | ≤±5% over 1 h |
| Flowmeter Accuracy | ≥±2.5% FS |
| Service Life at Max Flow & Backpressure | ≥5000 h |
| Continuous Operation Duration at Max Flow & Backpressure | 2–8 h with flow variation ≤±5% |
| Brand | Junray |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | ZR-3520-D |
| Instrument Type | Conventional Gas Sampler |
| Instrument Configuration | Single-Channel Gas Sampler |
| Flow Range | 50 mL/min – 4 L/min |
| Maximum Vacuum Pressure | >2.6 kPa |
| Flow Stability | ≤±5% over 1 hour |
| Flowmeter Accuracy | ≥±2.5% FS |
| Service Life at Max Flow & Backpressure | ≥5000 h |
| Continuous Operation Duration at Max Flow & Backpressure | 2–8 h with flow variation ≤±5% |
| Brand | Junray |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Country of Origin | China |
| Model | ZR-3521 |
| Pricing | Available Upon Request |
| Explosion Protection Rating | Ex ib IIC T4 Gb |
| Power Supply | Rechargeable Lithium Battery (≥8 h continuous operation) |
| Sampling Method | Vacuum-driven passive filling into inert gas bags |
| Compliance Standards | GB 12358-2006, GB/T 14675-1993, HJ 397-2007, HJ 604-2017, HJ 732-2014, HJ 905-2017 |
| Brand | Junray |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | ZR-3620A |
| Instrument Type | Handheld Air Sampling Pump |
| Configuration | Single-Channel Gas Sampler |
| Flow Range | 10–200 mL/min |
| Maximum Vacuum Pressure | 60–130 kPa |
| Flow Stability | ±2.5% |
| Flowmeter Accuracy | ±2.5% |
| Service Life Under Max Flow & Backpressure | >5,000 h |
| Continuous Operation Time at Max Flow & Max Backpressure | >20 h |
| Brand | Junray |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | ZR-3620B |
| Instrument Type | Handheld Air Sampling Pump |
| Configuration | Single-Channel Gas Sampler |
| Flow Range | 0.2–1.5 L/min |
| Maximum Vacuum Pressure | 60–130 kPa |
| Flow Stability | ±2.5% |
| Flowmeter Accuracy | ±2.5% |
| Service Life at Max Flow & Backpressure | >5,000 h |
| Continuous Operation Time at Max Flow & 15 kPa Backpressure | >10 h |
| Load Capacity | >40 kPa |
| Power Source | Rechargeable High-Performance Li-ion Battery |
| Sampling Modes | Immediate, Timed, and Volume-Defined Sampling |
| Environmental Parameter Measurement | Ambient Temperature, Atmospheric Pressure, Pre-meter Pressure, Pre-meter Temperature |
| Compliant Standards | HJ/T 375–2007, JJG 956–2013 |
| Brand | Junray |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Handheld Air Sampling Pump |
| Configuration | Single-Channel Gas Sampler |
| Flow Range | 1.0–5.0 L/min |
| Maximum Vacuum Pressure | 60–130 kPa |
| Flow Stability | ±2.5% |
| Flowmeter Accuracy | ±2.5% |
| Service Life at Max Flow & Backpressure | >5,000 h |
| Continuous Operation Time at Max Flow & 3 kPa Backpressure | >10 h |
| Power Source | Rechargeable Lithium Battery |
| Display | High-Brightness LCD |
| Environmental Sensors | Integrated temperature, atmospheric pressure, pre-flow pressure and pre-flow temperature measurement |
| Sampling Modes | Instant, Timed, and Volume-Controlled Sampling |
| Compatible Media | Filter membranes, activated carbon tubes (various lengths/fillings), impingers, silica gel tubes, and other sorbent-based sampling substrates |
| Compliance | GB/T 17061–1997, HJ/T 375–2007, JJG 956–2013 |
| Brand | Junray |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic (China-Made) |
| Model | ZR-3701 |
| Sampling Flow Rate | 10–60 L/min |
| Flow Accuracy | ±2.5% |
| Sampling Temperature Range | 0–500 °C |
| Sampled Mercury Species | Particulate-bound and Gaseous Total Mercury |
| Data Storage Capacity | >50,000 records (onboard flash + SD/USB expansion) |
| Pump Max Flow | 100 L/min |
| Integrated Isokinetic Control | Yes |
| Bluetooth Connectivity | Yes |
| Optional Moisture Measurement | Compatible with Capacitive Resistive Humidity Sensor (e.g., ZR-D15A) |
| Heating Control Capability | Yes (for external probe conditioning) |
| Brand | Junray |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Model | ZR-3703 |
| Sampling Flow Rate | 0.1–1.0 L/min |
| Flow Accuracy | ±2.0% |
| Operating Temperature Range | −20 to 50 °C |
| Sample Types | Elemental Mercury (Hg⁰) and Oxidized Mercury (Hg²⁺) |
| Brand | Junray |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | OEM Manufacturer |
| Country of Origin | China |
| Model | ZR-3712 |
| Instrument Type | Flue Gas Sampler |
| Sample Type | Flue Gas |
| Flow Accuracy | ±2.0% |
| Sampling Flow Rate | 0.2–1.5 L/min |
| Flue Gas Velocity Range | 0.2–1.5 L/min |
| Moisture Content Measurement Range | 0–85% |
| Brand | Junray |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | OEM Manufacturer |
| Product Category | Domestic |
| Model | ZR-3713 |
| Detection Principle | Solid-phase Adsorption (Adsorbent Tube-based Sampling) |
| Instrument Type | Portable |
| Typical Configuration | Multi-analyte VOC Sampling System |
| Flow Range | 10–200 mL/min |
| Pressure Resolution | 0.01 kPa |
| Accuracy | ±2.5% of full scale |
| Response Time | <60 s |
| Brand | Junray |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | ZR-3714 |
| Price Range | USD 7,000–14,000 (FOB) |
| Instrument Type | Flue Gas Sampler |
| Sample Targets | Benzene Homologues, Aldehydes & Ketones, Halogenated Hydrocarbons (VOCs) |
| Flow Accuracy | ±2.5% |
| Sampling Flow Rate | 10–200 mL/min |
| Flue Gas Velocity Range | 10–200 mL/min |
| Moisture Content Measurement Range | 0–85% |
| Brand | Junray |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | OEM Producer |
| Product Category | Domestic |
| Model | ZR-3715 |
| Instrument Type | Portable Flue Gas Analyzer |
| Indication Error | ±2.5% |
| Repeatability | ±2% |
| Measured Parameter | VOCs |
| Brand | Junray |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Model | ZR-3720 |
| Compliance | HJ/T 365–2007, HJ 77.2–2008, UNI EN 1948, EPA Method 23 |
| Sampling Principle | Isokinetic Sampling Based on Pitot Tube Velocity Tracking |
| Display | 5.6-inch Color Touchscreen (Chinese UI) |
| Pump | Imported High-Negative-Pressure, High-Flow Rate Diaphragm Pump with ABB Frequency Converter |
| Temperature Control | Dual-mode (Heating & Cooling), PID-Controlled, ±1 °C Stability |
| Sample Collection | Titanium Probe with Interchangeable Nozzles, Quartz Fiber Filter + XAD-2 Resin Trap |
| Data Storage | USB Export Supported, Power-Failure Memory Retention |
| Printing | High-Speed Thermal Printer with Real-Time Report Output |
| Environmental Monitoring Standards Support | Dry/Wet-Bulb, Condensation, and Manual Moisture Input Modes |
| Flow Calibration | Automatic Standard Condition Conversion (273.15 K, 101.325 kPa) Using Real-Time Barometric Pressure & Ambient Temperature Measurement |
| Safety & Integrity | Leak-Proof Pneumatic Architecture, Inert Gas Path (PTFE/SST), Password-Protected Calibration Parameters, Factory Reset Function |
| Brand | Junray |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | ZR-3721 |
| Instrument Type | Flue Gas Heavy Metal Sampler |
| Target Analytes | Hg, Sb, As, Ba, Be, Cd, Cr, Co, Cu, Pb, Mn, Ni, P, Se, Ag, Tl, Zn |
| Flow Accuracy | ±2.5% |
| Sampling Flow Rate | 10–60 L/min |
| Flue Gas Velocity Range | 1–45 m/s |
| Moisture Content Handling | Up to 20% w/w |
| Sampling Medium | Quartz or Teflon-coated Filter Cartridge + Titanium Probe Assembly |
| Heating Control | Integrated Constant-Temperature Heating for Entire Sampling Train |
| Data Storage | USB Mass Storage Support (U-disk Export) |
| Display | 5.6-inch Color Touchscreen with Chinese UI |
| Pump | Imported Rotary Vane Vacuum Pump (Industrial-Grade, Maintenance-Free) |
| Leak Detection | Automated Positive-Pressure Air-Tightness Verification |
| Power Failure Recovery | Auto-Save & Resume Functionality |
| Isokinetic Sampling Capability | Yes |
| Compliance Framework | Designed in alignment with EPA Method 29, ISO 14883-2, and GB/T 16157–1996 (Chinese National Standard for Stationary Source Emission Monitoring) |
| Brand | Junray |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | OEM/ODM Producer |
| Country of Origin | China |
| Model | ZR-3730 |
| Detection Principle | Passive Bag Sampling via Vacuum Chamber |
| Instrument Type | Portable |
| Configuration | Integrated VOC Sampling System |
| Sampling Volume Range | 1–4 L |
| Resolution | ±5% (of set volume) |
| Accuracy | ±5% (of set volume) |
| Response Time | <60 s |
| Brand | Junray |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | ZR-3731 |
| Instrument Type | Portable |
| Sampling Principle | Passive Negative-Pressure Bag Sampling |
| Flow Rate | 6 L/min |
| Operating Temperature Range | (−20 to 50) °C |
| Operating Relative Humidity Range | 0–85% RH |
| Battery Life | >6 hours (built-in Li-ion) |
| Bag Capacity Compatibility | 1–10 L Tedlar® or FEP gas sampling bags |
| Flow Control | 3-step adjustable speed |
| Pressure Monitoring & Auto-Stop Protection | Yes |
| Tubing Material | PTFE (inert) |
| Valve Type | Inert electromagnetic valve with auto-leak check and programmable purge cycles |
| Filtered Sampling Probe | Included for fixed-source stack sampling |
| Compliance Standards | GB/T 14675–1993, HJ 905–2017 |
| Brand | Junray |
|---|---|
| Model | ZR-3751 |
| Origin | Shandong, China |
| Manufacturer Type | OEM Manufacturer |
| Instrument Category | Domestic |
| Sampling Method | Glass Vial / Stainless Steel Canister |
| Target Gases | CO₂, CH₄, N₂O, HFCs, PFCs, SF₆, CFCs, Halons |
| Compliance Standards | QX/T 164–2012, QX/T 213–2013, QX/T 214–2013, Environmental Air CO₂ Manual Monitoring Technical Guidelines (Trial), Urban Carbon Monitoring QC/QA Guidelines (Trial), Urban GHG Monitoring Site Layout Technical Guidelines (1st Ed.) |
| Automation Level | Fully Automated Leak Check, Purge & Fill Sequence |
| Pressure Monitoring | High-Precision Integrated Pressure Sensor |
| Connectivity | Embedded GPRS + Bluetooth Module |
| Container Interface | Stainless Steel Quick-Connect Fittings for Dual Vessel Compatibility (Glass Vials & Electropolished Canisters) |
| Data Management | Query, Export (CSV/Excel), Print, Firmware Upgrade via Local or Remote Interface |
| Optional Integration | External Automatic Weather Station (AWS) |
| Brand | Junray |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Manufacturer |
| Country of Origin | Domestic (China) |
| Model | ZR-3752 |
| Instrument Type | Conventional Dual-Channel Gas Sampler |
| Sampling Configuration | Dual-Channel Positive-Pressure Sampler with Negative-Pressure Purge Function |
| Flow Rate Range | 10–2000 mL/min |
| Maximum Backpressure Capability | 0–250 kPa |
| Operating Temperature | −20 to 40 °C |
| Power Supply | AC 220 V ± 10%, 50 Hz ± 2% |
| Power Consumption | < 200 W |
| Net Weight | ≤ 10 kg |
| Sample Path Surface Treatment | Silanized Internal Tubing (Adsorption-Free) |
| Compliance | HJ 759–2015, Technical Specification for Manual Monitoring of Ozone-Depleting Substances (ODS) and Fluorinated Greenhouse Gases in Ambient Air |
| Brand | Junray |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | ZR-3760 |
| Portability | Portable |
| Application Field | Food Service Industry |
| Measurement Principle | Laser Light Scattering with Heated Sampling Line |
| Compliance Standard | SZDB/Z 254–2017 |
| Brand | Junray |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | ZR-3900 |
| Pricing | Upon Request |
| Brand | Junray |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | ZR-3901 |
| Rain/Snow Detection Sensitivity | < 0.01 mm/h or single raindrop ≥ 0.5 mm diameter |
| Lid Opening Time | ≤ 40 s |
| Lid Closing Time | ≤ 5 min |
| Collection Funnel Diameter | 300 mm |
| Brand | Junray Instruments |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Model | ZR-3914 |
| Pricing | Available Upon Request |
| Brand | Junray |
|---|---|
| Model | ZR-3914 |
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Price Range | USD 14,000 – 42,000 |
| Operating Temperature Range | −20 °C to +50 °C |
| Display | High-brightness TFT touchscreen (graphical Chinese interface) |
| Power Supply | Integrated rechargeable Li-ion battery (supports full operation without external power) |
| Data Storage Capacity | >100,000 sample records |
| Flow Monitoring | Real-time instantaneous flow curve display with minute-interval data logging |
| Sampling Modes | Timed, volumetric, and interval sampling |
| Data Export | USB mass storage mode |
| Compliance | GB/T 14584–1993, HJ 61–2021, HJ 1009–2019, HJ 1149–2020 |
| Brand | Junray |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | OEM Manufacturer |
| Country of Origin | China |
| Model | ZR-3915 |
| Pricing | Upon Request |
| Brand | Junray |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | OEM Manufacturer |
| Country of Origin | China |
| Model | ZR-3916 |
| Pricing | Upon Request |
| Brand | Junray |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | ZR-3919 |
| Pricing | Available Upon Request |
| Brand | Junray |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Model | ZR-3920G |
| Flow Range | 80–120 L/min |
| Load Capacity | >20 kPa at 100 L/min |
| Flow Stability | ≤±5% over 1 h |
| Maximum Flow Error | Better than ±2.5% |
| Operational Duration under Max Flow & Resistance | 2–8 h |
| Rated Service Life under Max Load | ≥5000 h |
| Brand | Junray |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Model Variants | ZR-3922-C (Heated), ZR-3922-D (Thermostatically Controlled) |
| Flow Range | 60–130 L/min |
| Maximum Vacuum Pressure | >9 kPa |
| Flow Stability | ≤±5% over 1 h |
| Maximum Flow Error | ≤±5.0% |
| Operational Duration at Max Flow & Load | 2–8 h |
| Rated Service Life at Max Flow & 80% Load | >5,000 hours |
| Brand | Junray |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | ZR-3923 |
| Typical Configuration | TSP Particulate Sampler |
| Flow Rate Range | 15–130 L/min |
| Brand | Junray |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | 24-Hour Constant-Temperature & Constant-Flow Gas Sampler |
| Instrument Architecture | Multi-Channel Gas Sampler |
| Flow Range | 0.1–1.5 L/min |
| Flow Stability | ≤±5% over 1 h |
| Flowmeter Accuracy | ≤±2% |
| Pump Service Life at Max Flow & Backpressure | >5000 h |