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
Note: this product is non-explosion-proof. The utmost caution must be exercised when handling explosive gas or hazardous gas.