Bioquell Qube
August 10, 2020EZ-200 Water Activity Meter
September 8, 2020GA-21Plus Portable Gas Analyzer
Advanced, yet still at a favourable price, equipped with up to 9 electrochemical and NDIR sensors.
Has a built-in pressure sensor, large internal memory for results and built-in ribbon printer for standard (non-thermal) paper.
Optional condensation “miniDryer” completes the offer for our best-selling portable device.
Categories: Gas Analyzer, Industrial
- Produced in two kinds of casing: soft and hard
- Equipped with up to 7 electrochemical cells
- Equipped with up to 2 NDIR sensors
- Built-in 58mm ribbon graphic printer
- Built-in rechargeable battery for up to 7 hours of operating
- Peltier “miniDryer” with a peristaltic pump for condensate removal (optional)
- Probe holder with a standard M30x1 fitting, fits all madur gas probes with the K-type thermocouples
- Gas filter with condensate trap and replaceable insert
- Differential pressure sensor – for measurements of chimney draft and flow velocity (with help of Pitot tube)
- Soot measurement program
- Measurements of gas and ambient temperatures
- 2 additional inputs for extra temperature sensors
- Analogue outputs (0/4-20mA or 0-10V) – optional
- Built-in large memory for results, two formats of data savings
- Calculations of many additional parameters
- Firmware for gas calibrations
Two versions of analyser are available:
- Version in “soft” casing
- Version in “hard” casing
Video
Applications
Application | Description | Most common sets of sensors | Suggested devices |
Emission
Monitoring of fumes emitted to the atmosphere by factories, power plants, industry in general |
O2, CO, CO2, NO, NO2, SO2, hydrocarbons |
portable: GA-21plus / Photon
stationary: maMoS / CMS-7 |
|
BIOgas plants
Control of the methane production process from the biomass |
CH4, CO2, O2, H2S | portable: GA-21plus-BIO
stationary: maMoS-BIO |
|
Incinerators
Control of the combustion process and monitoring of emitted fumes |
CO2, CO, O2, NOx | portable: GA-21plus
stationary: maMoS |
|
Greenhouses
Control and steering of greenhouse atmosphere |
CO2, O2 | stationary: maMoS | |
Nitriding
Control of the protective heat treating atmosphere |
CO2,CH4, CO, O2, H2, NH3,N2 (as difference) |
portable: GA-21plus-NITRO
stationary: maMoS – NITRO |
|
Coke / coal / wood gasification plants
Control of the methane production in gasification process |
CO2,CH4, CO, O2, H2 | portable: GA-21plus-NITRO
stationary: maMoS – NITRO |
|
MARPOL 73/78 annex VI regulations
Monitoring of the fumes emission on ships and other vessels according to regulations specified in the MARPOL 73/78 annex VI |
NOx,SO2, VOC, engine regulation |
portable: GA-21plus-AQUA
stationary: maMoS – AQUA |
|
Medicine
Control of the incubator atmosphere, others |
CO2 | stationary: MadIR-D01 CO2 OEM sensor |
|
Automotive
Control and regulation of the cars exhausts |
CO2, NOx, CO, O2, SO2, hydrocarbons | portable: GA-21plus, GA-12plus |
|
Personnel safety / air quality control
Monitoring (with alarm) of the atmosphere in hazardous work places. |
CO2 CO, CH4, other | stationary: maMoS – AQ |
Technical Data
1. General parameters
Version A (in soft casing)
Dimensions (W x H x D) | 460 x 260 x 240mm |
Weight (without accessories) | 6.2 ÷ 7.2kg |
Casing material | Textile (polyester) |
Protection grade | IP20 |
Operating conditions | T: 10°C ÷ 50°C, RH: 5% ÷ 90% (non-condensing) |
Storing temperature | 0°C ÷ +55°C |
Power supply: input | max power consumption | 90 ÷ 240VAC | 70W |
Battery: type | work time | charging time | Lead-acid, rechargeable 12V / 2.2Ah | 7h | 14h |
Data memory: size | number of results | 32kB | 30 reports + 10 banks (1024 sets of data) |
Display | Graphical LCD 128×128, with variable contrast and backlighting |
Printer | High-speed dot matrix, graphic printer for 57mm normal paper |
Analogue outputs | Two (0/4-20mA or 0-10V) |
Gas pump | gas flow | Diaphragm, max 2l/min (with automatic flow control) | 90l/h (1.5l/min) |
Purging pump for CO sensor (optional) | Diaphragm, max 1.5l/min |
Communication interface with PC computer | RS-232C |
Gas filtering |
|
Version B (in hard casing)
Dimensions (W x H x D) | 455 x 270 x 220mm |
Weight (without accessories) | 8.2 ÷ 9.2kg |
Casing materials | Wood & aluminium |
All other data is the same as for the A version |
2. Minidryer (optional)
Dimensions (W x H x D) | 24 x 120 x 124mm |
Weight | 800g |
Operating conditions | T: 10°C ÷ 50°C, RH: 5% ÷ 90% (non-condensing) |
Storing temperature | -20°C ÷ +55°C |
Power supply: input | max power consumption | 15V DC (from analyzer’s “Probe” socket) | 10W |
Drying method | Water condensation by rapid cooling down |
Cooler type | Based on Peltier element |
Cooling temperature | Down to +4°C electronically stabilised / Dew point of outlet gas at least 8°C below the ambient air temperature |
Maximum gas flow for efficient drying | 90l/h |
Condensate pump | Peristaltic, 38 ml/min. |
3. Measurements of gas components
Table below shows the combination of all sensors/ranges.
Please mind that the maximum possible number of gas sensors in a device is 7 EC and 2 NDIR – see ordering guide.
Component | Method | Range | Resolution | Accuracy | Time(T90) | Conformity |
O2 – Oxygen | Electrochemical sensor | 20.95% | 0.01% | ±0.2% abs. or 5% rel. | 45 sec | ISO 12039, CTM-030 |
O2 – Oxygen | Electrochemical, partial pressure | 20.95% | 0.01% | ±0.2% abs. or 5% rel. | 45 sec | ISO 12039, CTM-030 |
O2 – Oxygen | Electrochemical, partial pressure | 25.00% | 0.01% | ±0.2% abs. or 5% rel. | 45 sec | ISO 12039, CTM-030 |
O2 – Oxygen | Electrochemical, partial pressure | 100.00% | 0.1% | ±0.2% abs. or 5% rel. | 45 sec | ISO 12039, CTM-030 |
O2 – Oxygen | Paramagnetic sensor | 25% | 0.01% | ± 0.2% abs. or 5% rel. | 45 sec | EN 14789, OTM-13 |
O2 – Oxygen | Paramagnetic sensor | 100% | 0.1% | ± 0.2% abs. or 5% rel. | 45 sec | EN 14789, OTM-13 |
CO – Carbon monoxide | Electrochemical sensor | 4 000ppm | 1ppm | ±5ppm abs. or 5% rel. | 45 sec | ISO 12039, CTM-030 |
CO – Carbon monoxide | Electrochemical sensor | 20 000ppm | 1ppm | ±5ppm abs. or 5% rel. | 45 sec | ISO 12039, CTM-030 |
CO – Carbon monoxide | Electrochemical sensor | 10% | 0.001% | ± 0.005% abs. or 5% rel. | 45 sec | ISO 12039, CTM-030 |
CO – Carbon monoxide | Electrochemical, with H2 compensation |
2 000ppm | 1ppm | ±5ppm abs. or 5% rel. | 45 sec | ISO 12039, CTM-030 |
CO – Carbon monoxide | NDIR | 10% | 0.01% | ±0.05% abs. or 5% rel. | 45 sec | EN 15058 |
CO – Carbon monoxide | NDIR | 100% | 0.1% | ±0.5% abs. or 5% rel. | 45 sec | EN 15058 |
CO2 – Carbon dioxide | NDIR | 25% | 0.01% | ±0.05% abs. or 5% rel. | 45 sec | ISO 12039 |
CO2 – Carbon dioxide | NDIR | 50% | 0.01% | ±0.05% abs. or 5% rel. | 45 sec | ISO 12039 |
CO2 – Carbon dioxide | NDIR | 100% | 0.1% | ±0.5% abs. or 5% rel. | 45 sec | ISO 12039 |
CH4 – Methane | NDIR | 5% | 0.01% | ± 0.05% abs. or 5% rel. | 45 sec | |
CH4 – Methane | NDIR | 25% | 0.01% | ± 0.05% abs. or 5% rel. | 45 sec | |
CH4 – Methane | NDIR | 100% | 0.1% | ± 0.5% abs. or 5% rel. | 45 sec | |
NO – Nitric oxide | Electrochemical sensor | 1 000ppm | 1ppm | ±5ppm abs. or 5% rel. | 45 sec | EN 50379, CTM-022 |
NO – Nitric oxide | Electrochemical sensor | 5 000ppm | 1ppm | ±5ppm abs. or 5% rel. | 45 sec | EN 50379, CTM-022 |
NO2 – Nitrogen dioxide | Electrochemical sensor | 1 000ppm | 1ppm | ±5ppm abs. or 5% rel. | 60 sec | EN 50379, CTM-022 |
SO2 – Sulphur dioxide | Electrochemical sensor | 2 000ppm | 1ppm | ±5ppm abs. or 5% rel. | 45 sec | EN 50379 |
SO2 – Sulphur dioxide | Electrochemical sensor | 5 000ppm | 1ppm | ±5ppm abs. or 5% rel. | 45 sec | EN 50379 |
H2S – Hydrogen sulphide | Electrochemical sensor | 1 000ppm | 1ppm | ±5ppm abs. or 5% rel. | 70 sec | |
H2 – Hydrogen | Electrochemical sensor | 2 000ppm | 1ppm | ±10ppm abs. or 5% rel. | 50 sec | |
H2 – Hydrogen | Electrochemical sensor | 20 000ppm | 1ppm | ±10ppm abs. or 5% rel. | 70 sec | |
H2 – Hydrogen | Thermal Conductivity Detector | 10% | 0,1% | ±0,5% abs. or 5% rel. | 45 sec | |
H2 – Hydrogen | Thermal Conductivity Detector | 25% | 0,1% | ±0,5% abs. or 5% rel. | 45 sec | |
H2 – Hydrogen | Thermal Conductivity Detector | 50% | 0,1% | ±0,5% abs. or 5% rel. | 45 sec | |
H2 – Hydrogen | Thermal Conductivity Detector | 100% | 0,1% | ±0,5% abs. or 5% rel. | 45 sec | |
CL2 – Chlorine | Electrochemical sensor | 250ppm | 1ppm | ±5ppm abs. or 5% rel. | 60 sec | |
HCl – Hydrogen chloride | Electrochemical sensor | 100ppm | 1ppm | ±5ppm abs. or 5% rel. | 70 sec | |
N2O – Nitrous oxide | NDIR | 2 000ppm | 1ppm | ±10ppm abs. or 5% rel. | 45 sec | ISO 21258 |
VOC – Volatile Organic compounds | PID Photo Ionization Detector | 100ppm | 1ppm | ±5ppm abs. or 5% rel. | 120 sec | Method 21 |
VOC – Volatile Organic compounds | PID Photo Ionization Detector | 1000ppm | 1ppm | ±5ppm abs. or 5% rel. | 120 sec | Method 21 |
4. Other measurements / calculated results
Variable | Method | Range | resolution | Accuracy | Time (T90) |
Tgas – gas temperature | K-type thermocouple | -10 ÷ 1000°C | 0.1°C | ±2°C | 10 sec |
Tgas – gas temperature | S-type thermocouple | -10 ÷ 1500°C | 0.1°C | ±2°C | 10 sec |
Tamb – boiler intake air temperature | PT500 resistive sensor | -10 ÷ 100°C | 0.1°C | ±2°C | 10 sec |
T1 – external temperature | K-type thermocouple | -10 ÷ 1000°C | 0.1°C | ±2°C | 10 sec |
S-type thermocouple | -10 ÷ 1500°C | 0.1°C | |||
T2 – external temperature | PT500 resistive sensor | -10 ÷ 100°C | 0.1°C | ±2°C | 10 sec |
T3 – external temperature | K-type thermocouple | -10 ÷ 1000°C | 0.1°C | ±2°C | 10 sec |
T3 – external temperature | S-type thermocouple | -10 ÷ 1500°C | 0.1°C | ±2°C | 10 sec |
T4 – external temperature | PT500 resistive sensor | -10 ÷ 100°C | 0.1°C | 0.3m/s abs. or 5% rel. | 10 sec |
Differential pressure | Silicon piezoresistive pressure sensor | -25hPa ÷ +25hPa | 10Pa (0.01hPa) | ±2Pa abs. or 5% rel. | 10 sec |
Gas flow velocity | Indirect, with Pitot tube & pressure sensor | 1 ÷ 50m/s | 0.1m/s | 0.3m/s abs. or 5% rel. | 10 sec |
Lambda λ – excess air number | Calculated | 1 ÷ 10 | 0.01 | ±5% rel. | 10 sec |
qA – stack loss | Calculated | 0 ÷ 100% | 0.1% | ±5% rel. | 10 sec |
Eta η – combustion efficiency | Calculated | 0 ÷ 120% | 0.1% | ±5% rel. | 10 sec |
U1÷U2 – external analogue input (voltage) | Delta-sigma ADC | -20V ÷ +20V | 0.01V | ±2% rel. | 10 sec |
I1÷I2 – external analogue input (current) | Delta-sigma ADC | -20mA ÷ +20mA | 0.01mA | ±2% rel. | 10 sec |
Drawings
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