Double Beam NDIR Gas Analyzer <ZKJ>

Double Beam NDIR Gas Analyzer <ZKJ>

Simultaneous and continuous measurement of up to 5 components among:
NO, SO2, CO2, CO, CH4, N2O, and O2

Ideal for flue gas monitoring in incinerators and industrial furnaces

  • The mass flow type twin detector — hardly affected by interference gas
  • A variety of functions: auto calibration, O2-corrected output, averaging, alarm, etc.
  • Easy-to-see LCD
    You can check the concentration changes of all components at a glance
  • 19-inch rack mount
  • Maximum range ratio 1 : 25
    A user can set or change a range within the limit
  • Zero drift for 200 ppm range: ≤ ±1% FS per week
Mass flow sensor
Paramagnetic O2 sensor

Specifications

Principle NO, SO2, CO2, CO, CH4, N2O: Non-dispersive infrared sensor
O2: built-in paramagnetic sensor or external zirconia sensor (ZFK7, optional)
Components 1 component: NO, SO2,CO2, CO, CH4, N2O
2 components: NO + SO2, NO + CO, CO2 + CO, N2O + CO2
3 components: NO + SO2 + CO, NO + N2O + CO2, SO2 + N2O + CO2, N2O + CO2 + CO, CH4 + N2O + CO2
4 components: NO + SO2 + CO2 + CO , NO + SO2 + N2O + CO2
O2 measurement can be added to above all.
Range NO: 0–50 ppm…5000 ppm
SO2: 0–50 ppm…10%
CO2: 0–20 ppm…100%
CO: 0–50 ppm…100%
CH4: 0–200 ppm…100%
N2O: 0–200 ppm…2000 ppm
O2: 0–5%…25%
Repeatability ±0.5% FS (±1% FS for 50 ppm or less)
Zero drift ≥ 200 ppm range: ±1% FS per week
50–200 ppm range: ±2% FS per week
≤ 50 ppm range: ±2% FS per day
Span drift ≤ ±2% FS per week
(50 ppm or less: ±2.0% FS per day)
Linearity ±1% FS
Response time ≤ 60 s (for 90% response) at a sample gas flow rate of 0.5 L/min
Output signal 4–20 mA DC or 0–1 V DC
(instantaneous values, O2-corrected instantaneous values, O2-corrected average values, O2 average) 
Contact output Instrument error, calibration error, range identification, auto calibration status, pump ON/OFF, peak alarm, high/low limit alarm, power disconnection alarm
Contact input Remote range switch, auto calibration remote start, remote holding, average value resetting, pump ON/OFF
Functions Auto calibration, O2 correction, O2 average, CO peak count and alarm, etc.
Operating environment -5 to +45°C, RH 90% or less
Power supply voltage 100–240 V AC, 50/60 Hz, 250 VA
Dimensions 483 (H) × 177 (W) × 600 (D) mm
Gas conditions Temperature 0–50°C
Flow rate 0.5 L/min ±0.2 L/min
Pressure ≤ 10 kPa (gas outlet should be open to the atmospheric air)
Dust ≤ 100 μg/Nm3 with particle size ≤ 1 μm
Mist Unallowable
Moisture Below the saturation vapor density at 2°C (Non condensing)
Corrosive gas ≤ 1 ppm
Zirconia O2 sensor (to be purchased separately)
Zirconia O<sub>2</sub> sensor (to be purchased separately)

ZFK7
Dimensions: 141 (H) x 170 (W) x 190 (D) mm
Reproducibility: ±0.5% FS
Response time: approx. 20 s (for 90% response)
Power supply voltage: 100–115 V AC or 200–240 V AC, 50/60 Hz
No concentration indication

Gas sampling system configuration example

The following diagram shows a typical sampling system for monitoring five components in flue gas from boilers or incinerators.
We can configure an ideal system for any application.

Gas sampling system configuration example

Gas Analyzers

Flue Gas Analyzer System <ZSU>
NOx, SO2, CO, CO2, O2

Flue gas analyzer system <ZSU> NOx, SO2, CO, CO2, O2

• Double-beam NDIR sensor + O2 sensor
• Long-term stability
• Continuous measurement of up to 5 components

Flue Gas Analyzer System <ZSJ>
NOx, SO2, CO, CO2, O2

Flue gas analyzer system <ZSJ> NOx, SO2, CO, CO2, O2

• Single-beam NDIR sensor with sample switching system + O2 sensor
• Excellent zero-point stability
• Continuous measurement of up to 5 components

Flue Gas Analyzer System <ZSU-7>
NOx, SO2, CO, CO2, O2, HCl, dust

Flue gas analyzer system <ZSU-7> NOx, SO2, CO, CO2, O2, HCl, dust

• Monitors up to 7 gas concentrations
• Space-saving design

Cross Stack Laser Gas Analyzer <ZSS>
HCl, NH3, O2, CO, CO2, CH4

Cross stack laser gas analyzer <ZSS>HCl, NH3, O2, CO2, CH4

• Direct insertion type
• Continuous measurement of HCl, NH3, O2, CO, CO2, and CH4 in flue gas

Aerosol Analyzer <ZSF>

Aerosol analyzer <ZSF>

Real-time and quantitative analysis of particle size, number of particles, composition (sulfate, nitrate, black carbon) of aerosol (PM2.5) in the air

In-Situ Zirconia Oxygen Analyzer System <ZSB>

In-situ zirconia oxygen analyzer system <ZSB>

• Continuous measurement of O2 in combustible gas
• Ideal for combustion control

Double Beam NDIR Gas Analyzer <ZKJ>
NO, SO2, CO, CO2, N2O, CH4, O2

Double beam NDIR gas analyzer <ZKJ>NO, SO2, CO, CO2, O2, H2S, CH4

• Double-beam NDIR sensor
• Continuous measurement of up to 5 components

Single Beam NDIR Gas Analyzer <ZPA>
NO, SO2, CO, CO2, CH4, O2

Single beam NDIR gas analyzer <ZPA>NO, SO2, CO, CO2, O2

• Single-beam NDIR sensor
• Compact and light weight
• Continuous measurement of up to 5 components

Single Beam NDIR Gas Analyzer <ZPB>
NO, SO2, CO, CO2, O2

Single beam NDIR gas analyzer <ZPB>NO, SO2, CO, CO2, O2

• Single-beam NDIR sensor with sample-switching system
• Continuous measurement of up to 5 components

Single Beam NDIR Gas Analyzer <ZPG>
NO, SO2, CO, CO2, O2

Single beam NDIR gas analyzer <ZPG>NO, SO2, CO, CO2, O2

• Single-beam NDIR sensor with sample-switching system
• Continuously measures low concentration (0•5 ppm) gases

Single Beam NDIR Gas Analyzer <ZRE>
NO, SO2, CO, CO2, O2

Single beam NDIR gas analyzer <ZRE>NO, SO2, CO, CO2, O2

• Single-beam NDIR sensor
• Compact and light weight
• Continuous measurement of up to 5 components

Thermal Conductivity Gas Analyzer <ZAF>
H2, He, Ar

Thermal conductivity gas analyzer <ZAF> H2, He, Ar

Best suited for H2, He, and Ar measurement

Flameproof Thermal Conductivity Gas Analyzer <ZAFE>

Flameproof Thermal Conductivity Gas Analyzer <ZAFE>

Ideal for H2, Ar, and He measurement

Paramagnetic Oxygen Analyzer <ZAJ>

Paramagnetic oxygen analyzer <ZAJ>

• Fast response
• Communication function
• Ideal for measuring oxygen in combustible gas

In-Situ Zirconia Oxygen Analyzer <ZKM1, ZKM2, ZFK8>

In-situ zirconia oxygen analyzer <ZKM-1, ZFK8>

• Insertion type
• No need for gas sampling device
• Measures O2 in incombustible gas

In-Situ Zirconia Oxygen Analyzer (HART Communication) <ZKMA, ZKMB, ZFK8>

In-Situ Zirconia Oxygen Analyzer (HART communication) <ZKM-2/ZFK8>

In-situ oxygen analysis requires no gas sampling device
Ideal for combustion control in industrial boilers and furnaces

In-Situ Zirconia Oxygen Analyzer for Hazardous Location <ZKME, ZFKE>

In-situ zirconia oxygen analyzer for hazardous location  <ZKME, ZFKE>

• Insertion type
• No need for gas sampling device
• Measures O2 in incombustible gas

Compact NDIR Gas Analyzer System <ZSVF>

Compact NDIR gas analyzer system<ZSVF>

• Simultaneously measures up to 5 components among NOx, SO2, CO, CO2, CH4, and O2
• No need for gas sampling device

Portable NDIR Gas Analyzer <ZSVS>

Portable NDIR gas analyzer <ZSVS>

Simultaneously measures up to 4 components among CO, CO2, CH4, and O2

NDIR Gas Analyzer for Heat Treatment Furnaces <ZFG>

NDIR gas analyzer for heat treatment furnaces <ZFG>

Continuous measurement of CO, CO2, CH4 in heat treatment furnace

NDIR CO2 Controller <ZFP>

NDIR CO2 controller <ZFP>

• Measures CO2 in the air
• Analog output and alarm output

Biomass Gas Analyzer <ZPAF>

Biomass gas analyzer <ZPAF>

Measures H2S, CH4, CO2, and O2 generated in biogas plants

NDIR Gas Analyzer (Substitute for ZRG) <ZKJJ>

NDIR gas analyzer (substitute for ZRG) <ZKJJ>

• Double-beam NDIR sensor
• Compatible to obsoleted ZRG

NDIR Gas Analyzer (Substitute for ZRH) <ZPAH and ZPA1>

Gas sampling devices

• Single-beam NDIR sensor
• Compatible to obsolated ZRH

NDIR Gas Analyzer (Substitute for ZRJ) <ZPAJ>

NDIR Gas Analyzer (substitute for ZRJ) <ZPAJ>

• Single-beam NDIR sensor
• Compatible to obsolated ZRJ

Gas Sampling Devices <ZB□, ZDL>

Gas sampling devices

Gas extractor, pump, cooler, filter, converter, etc.