Gas extractor (option)
Simple probe
Probe with primary filter
Portable NDIR Gas Analyzer (ZSVS)
Simultaneous and continuous measurement of up to 4 components: CO, CO2, CH4, O2
Suited for gas monitoring in heat treatment furnaces, plant cultivation, and research-purpose chemical analysis.
- Equipped with gas suction pump and membrane filter—no need for gas sampling device
- CP (Carbon Potential) calculation available (option)
- A variety of functions: O2-corrected output, averaging, automatic display off, etc.
- Easy-to-see LCD
You can check the concentration changes of all components at a glance - Easy-to-use interface
Specifications
Principle | CO, CO2, CH4: Non-dispersion infrared (NDIR) sensor O2: galvanic sensor |
|
---|---|---|
Components | 1 component: CO, CO2, CH4 2 components: CO2 + CO, CH4 + CO, CO2 + CH4 3 components: CH4 + CO2 + CO O2 measurement can be added to above all. |
|
Range | CO: 0–200 ppm…100% CO2: 0–200 ppm…100% CH4: 0–1000 ppm…100% O2: 0–5% or 0–25% |
|
Measurement range | 3 (Maximum range ratio 1 : 5) | |
Repeatability | ±0.5% FS | |
Zero drift | ≤ ±1.0% FS per day | |
Span drift | ≤ ±1.0% FS per day | |
Linearity | ±2.0% FS | |
Response time | ≤ 50 s (for 90% response) O2 measurement: ≤ 3 min |
|
Output signal | 4–20 mA DC (linear) or 0–1 V DC (linear), up to 8 points, non-insulation (instantaneous value, O2-corrected instantaneous value, O2-corrected average value, CP calculated value) |
|
Display | backlit LCD, English or Japanese | |
Functions | O2 correction, averaging, CP calculation, output signal hold, automatic display off | |
Communication | RS-232C (Modbus protocol) | |
Operating environment | 0–40°C, RH 90% or less | |
Power supply voltage | 100–115 V AC or 200–240 V AC, 50/60 Hz | |
Power consumption | Approx. 150 VA | |
Dimensions and weight | 365 (H) × 211 (W) × 527 (D) mm, approx. 12 kg | |
Gas conditions | Temperature | 0–40°C at inlet |
Flow rate | 0.5 L/min ±0.2 L/min per optical system | |
Dust | ≤ 10mg/Nm3 | |
Pressure | ≤ 2 kPa (gas outlet should be open to the atmospheric air) | |
Mist | Unallowable | |
Corrosive gas | HCl: ≤ 10 ppm |