Eranntex MS600-CH2O Portable Formaldehyde Analyzer
| Brand | Eranntex |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | OEM/ODM Manufacturer |
| Country of Origin | China |
| Model | MS600-CH2O |
| Detection Principle | Electrochemical Sensor |
| Measurement Ranges | 0–10 ppm, 20 ppm, 50 ppm, 100 ppm, 1000 ppm, 5000 ppm, 100% LEL (custom ranges available) |
| Resolution | 0.001 ppm (0–10 ppm), 0.01 ppm (0–100 ppm), 0.1 ppm (0–1000 ppm), 1 ppm (>1000 ppm), 0.1% LEL (0–100% LEL), 0.001% Vol (0–99.999% Vol) |
| Repeatability | ≤±1% FS |
| Sampling Method | Built-in pump suction (500 mL/min) |
| Response Time | T90 ≤ 20 s |
| Operating Temperature | –40 °C to +70 °C (optional high-temp sampling probe supports up to 1300 °C flue gas) |
| Temperature Measurement | –40 °C to +70 °C (±0.3 °C accuracy, optional) |
| Humidity Measurement | 0–100% RH (±2% RH accuracy, optional) |
| Ingress Protection | IP67 |
| Explosion Protection | Ex ia II CT4 |
| Battery | 3.7 V DC, 6000 mAh Li-polymer (with overcharge/over-discharge/short-circuit/thermal protection) |
| Data Storage | 100,000 records standard |
| Display | 2.5″ 320×240 color TFT screen |
| Dimensions | 195 × 77 × 46 mm (L×W×H) |
| Weight | 350 g |
Overview
The Eranntex MS600-CH2O Portable Formaldehyde Analyzer is a field-deployable, multi-parameter gas detection instrument engineered for quantitative measurement of formaldehyde (CH₂O) in ambient air, indoor environments, industrial workspaces, and confined spaces. It employs a certified electrochemical sensing principle—optimized for selectivity, stability, and low cross-sensitivity to common interferents such as CO, NO₂, and VOCs—ensuring trace-level detection with metrological rigor. Designed for compliance-driven applications in occupational health, environmental monitoring, and regulatory inspection, the analyzer delivers real-time concentration readouts in ppm or mg/m³, with automatic temperature and humidity compensation applied to sensor output to maintain accuracy across dynamic field conditions. Its compact, intrinsically safe architecture enables rapid deployment in HVAC ducts, remediation sites, furniture manufacturing facilities, and post-construction indoor air quality (IAQ) assessments—where adherence to WHO, OSHA, and ISO 16000-23 guidelines is required.
Key Features
- Intrinsically safe design certified to Ex ia II CT4 for use in hazardous Class I, Division 1 environments
- IP67-rated enclosure providing full dust ingress protection and temporary submersion resistance (up to 1 m for 30 min)
- Built-in micro-pump with adjustable flow rate (500 mL/min) and integrated particulate/moisture filter—enabling reliable operation in high-humidity (>95% RH) and high-dust environments
- High-resolution 2.5″ color TFT display with intuitive icon-based UI, supporting simultaneous 4-gas view, large-font single-channel mode, or real-time concentration trend curves
- Multi-level alarm system: audible (85 dB), visual (flashing LED), vibratory, and on-screen status indicators—with configurable thresholds (low/high/interval/weighted average)
- Advanced data integrity architecture: automatic zero-tracking, multi-point span calibration logging, sensor life tracking, and anti-tamper calibration validation
- Comprehensive power management: 6000 mAh Li-polymer battery with 5-level charge indicator, USB hot-swap capability, and continuous operation during charging
- Expandable connectivity: native USB interface (data export & firmware update); optional RS232, Bluetooth 5.0, GPRS, and wireless thermal printing support
Sample Compatibility & Compliance
The MS600-CH2O is validated for formaldehyde measurement in nitrogen- or air-balanced matrices, including ambient air, exhaust streams, and reconditioned indoor atmospheres. It meets national verification requirements under China’s CMC (China Metrology Certification) framework and conforms to GB/T 50325–2020 (Control Standard for Indoor Environmental Pollution in Civil Building Engineering). While not certified to EU ATEX or IECEx out-of-the-box, its Ex ia II CT4 rating satisfies baseline intrinsic safety requirements for Zone 0/1 applications when used with approved accessories. The device supports audit-ready data handling per GLP principles: all calibrations, alarms, faults, and maintenance events are timestamped and stored with immutable metadata. Optional SD card logging enables secure, encrypted long-term archiving compliant with ISO/IEC 17025 documentation requirements.
Software & Data Management
Data acquisition and reporting are managed via Eranntex’s proprietary PC-based software (included free of charge), which supports raw data export in CSV and Excel formats, customizable report generation (including pass/fail evaluation against user-defined limits), and spectral visualization of time-series trends. The software enforces 21 CFR Part 11–compatible audit trails—recording operator ID, action timestamp, parameter changes, and calibration certificates. On-device storage retains 100,000 readings with full timestamping (year/month/day/hour/minute/second), and optional SD card expansion allows unlimited retention for extended monitoring campaigns. All communication interfaces (USB, RS232, Bluetooth) implement automatic protocol handshake and error-checking to prevent data corruption during transfer.
Applications
- Indoor Air Quality (IAQ) assessment in schools, hospitals, offices, and residential buildings per ISO 16000-23 and EPA Compendium TO-11A protocols
- Occupational exposure monitoring in plywood, particleboard, and textile manufacturing facilities (OSHA PEL: 0.75 ppm TWA)
- Post-remediation verification following formaldehyde abatement treatments
- Environmental compliance screening at landfills, waste treatment plants, and chemical storage areas
- Real-time leak detection in formaldehyde production, transportation, and formulation units
- Research-grade field studies requiring portable, temperature-compensated CH₂O quantification in variable climatic conditions
FAQ
What formaldehyde detection principle does the MS600-CH2O employ?
It utilizes a temperature-compensated electrochemical sensor with selective catalytic electrodes optimized for CH₂O oxidation at low bias voltage—minimizing interference from aldehydes, alcohols, and organic acids.
Can the instrument measure formaldehyde in high-temperature exhaust gases?
Yes—when paired with the optional high-temperature sampling probe (rated to 1300 °C), which integrates active cooling, particulate filtration, and condensate removal prior to sensor inlet.
Is the device suitable for continuous unattended monitoring?
While designed primarily for spot-checking and survey use, its 100,000-record memory, scheduled logging mode, and USB/RS232/GPRS telemetry options enable semi-automated 24/7 deployment with periodic data retrieval.
How often does the sensor require calibration?
Field calibration is recommended every 3–6 months depending on exposure frequency and environmental severity; the device logs all calibration events and alerts users 7 days prior to scheduled recalibration.
Does the analyzer support trace-level detection below 0.1 ppm?
Yes—the 0–10 ppm range offers 0.001 ppm resolution, enabling precise quantification down to the WHO-recommended indoor air guideline of 0.08 ppm (30-min average).
