GAOMAI
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| Brand | GAOMAI |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Product Category | Domestic |
| Model | GM Explosion-Proof Enclosure |
| Price Range | USD 70,000 – 140,000 |
| Instrument Type | External Protective Enclosure for Portable Gas Chromatographs |
| Application Scope | General-Purpose Hazardous Area Deployment |
| Explosion Protection Rating | Exdp II BT1 to Exdp II CT6 (GB 3836 Compliant) |
| IP Rating | IP65 |
| Internal Pressure Range | 30–100 Pa |
| Power Supply | 220 VAC ±10%, 50 Hz |
| Construction Materials | EP-grade stainless steel tubing (welded or VCR-fitted) |
| Viewing Window | Shatter-resistant explosion-proof borosilicate glass |
| Certification Basis | GB 3836.1–2010, GB 3836.5–2017 |
| Brand | GAOMAI |
|---|---|
| Origin | Beijing, China |
| Model | GM-800 |
| Price Range | USD 14,000 – 42,500 (FOB) |
| Linearity Error | ±2% FS |
| Repeatability | <0.5% FS |
| Drift | <1% FS/7 days |
| Response Time | ≤60 s |
| Explosion Protection | Not rated |
| Sensor Type | Imported Electrochemical Oxygen Sensor |
| Output Signal | 4–20 mA DC (isolated), RS-485 Modbus RTU |
| Power Supply | 220 VAC ±10%, 50/60 Hz |
| Operating Temperature | 0–45 °C |
| Enclosure Rating | IP65 |
| Calibration Interval | Recommended every 3–6 months |
| Brand | GAOMAI |
|---|---|
| Origin | Beijing, China |
| Model | GM-816 |
| Detection Limit | <5 ppb (CH₄, with DID detector) |
| Linear Dynamic Range | >10⁶ |
| Maximum Detector Capacity | 3 simultaneous detectors (e.g., DID-V, TCD, FPD, FID) |
| Column/Valve Configuration | Up to 10 columns and 5 multi-dimensional switching valves |
| Flow Control | Electronic Pressure Control (EPC) |
| Power Supply | 220 V ±10%, 2250 W |
| Connection Standard | VCR fittings for low-dead-volume gas pathways |
| Valve Oven Protection | Integrated valve box with thermal stabilization and contamination isolation |
| Brand | GAOMAI |
|---|---|
| Origin | Beijing, China |
| Model | GM 1900 Explosion-Proof Series |
| Explosion Protection Mark | Ex de ib mb px IIC T4 Gb |
| IP Rating | ≥IP65 |
| Positive Pressure Range | 0–2069 Pa |
| Purge Time | 0–999 min (adjustable) |
| Alarm & Cut-off Pressure | 0–2069 Pa (adjustable) |
| Cabinet Dimensions | 90 cm × 75 cm × 50 cm |
| Gas Piping | EP-grade stainless steel tubing with orbital welding or VCR fittings |
| Pre-shipment Tests | Pressure hold, leak detection, moisture analysis, oxygen analysis, particle count |
| Compliance | Certified by National Supervisory Inspection Center for Explosion-Protected Instrumentation (Cert. No.: GYB21.3140X) |
| Brand | GAOMAI |
|---|---|
| Origin | Beijing, China |
| Model | GM Explosion-Proof Analytical Shelter |
| Instrument Type | Portable Gas Chromatograph System Enclosure |
| Application Scope | General-purpose Industrial Process Gas Analysis |
| Explosion Protection Rating | Exd II BT1 to Exd II CT6 (customizable per user specification) |
| Ambient Temperature Control Capability | Integrated HVAC with temperature stabilization |
| Humidity & Dust Protection | IP56-rated enclosure |
| Internal Overpressure Maintenance | 30–100 Pa (gauge) |
| Alarm Function | Audible and visual alarm triggered by hazardous gas concentration exceedance |
| Power Supply | 220 VAC ±10%, 50 Hz |
| Compliance | Designed to meet IEC 60079-1, GB 3836.1–2021, and ISO 8573-1 for compressed air quality in analytical service lines |
| Structural Certification | Fabricated per ASME BPVC Section VIII Div. 1 (optional) |
| Brand | GAOMAI |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Product Category | Imported Instrument |
| Model | MIDAC Dynamic Calibration System |
| Price Range | USD 42,000 – 70,000 (FOB) |
| Instrument Type | Laboratory Gas Chromatography Calibration Standard Generator |
| Application Scope | Universal Calibration for GC & FTIR |
| Gas Dilution Stages | Triple-stage |
| Mass Flow Controllers (MFCs) | Multi-channel digital MFC support |
| Corrosive Gas Compatibility | Yes (acidic, alkaline, organic) |
| Dilution Ratio Programmability | Yes, time-scheduled auto-run |
| Real-time Flow Monitoring | Yes |
| Repeatability | ≤ ±0.8% RSD (N₂ baseline, 10–1000 sccm) |
| Control Interface | PLC-based with 7″ TFT touchscreen (800×600) |
| PLC Cycle Time | Standard mode 160 µs |
| Onboard Memory | Display buffer 26 MB |
| Touchscreen Lifetime | ≥ 5 years (MTBF) |
| Brand | GAOMAI |
|---|---|
| Origin | USA |
| Distributor Type | Authorized Distributor |
| Import Status | Imported |
| Model | I-Series |
| Instrument Type | Online FTIR Spectrometer |
| Wavenumber Range | 4000–7500 cm⁻¹ |
| Spectral Resolution | 0.5 cm⁻¹ |
| Scan Speed | 8 s per spectrum |
| Signal-to-Noise Ratio | <1% (RMS, 100 scans) |
| Wavenumber Accuracy | ±0.05 cm⁻¹ across 4000–7500 cm⁻¹ |