The photoacoustic trace gas analyzer displays the detection concentration curve in real-time, with fully automatic or manual zero calibration, allowing customers to freely choose. High detection accuracy and good stability, suitable for various trace gas concentration detection scenarios.
Schulz SPTr GAS ® The ANALYZER photoacoustic trace gas analyzer is equipped with a touch display control screen, a reasonable menu structure distribution, and an intuitive and friendly operating interface. All status displays, threshold values, and alarm values are provided in analog and digital formats. Real time display of detection concentration curve, fully automatic or manual zero calibration, freely chosen by customers. High detection accuracy and good stability, suitable for various trace gas concentration detection scenarios.
Photoacoustic spectroscopy is a new spectroscopic technology based on the photoacoustic effect, which is different from traditional infrared spectroscopy technology. It effectively converts light signals into sound signals and calculates the final gas concentration through the detection of sound signals by precision microphones. Due to the special optical structure of photoacoustic spectroscopy technology and the special calculation process in signal acquisition and processing, this method can efficiently collect weak photoacoustic signals and effectively eliminate the interference of background signals. It is very suitable for trace gas concentration detection and interference free detection in complex environments.
Photoacoustic trace gas analyzerApplication direction:
▪ Industrial online monitoring (semiconductor, power, chemical, metallurgical, etc.)
▪ Environmental pollution detection
▪ On site inspection and troubleshooting
▪ Exhaust gas detection
▪ Gas process control
▪ Air pollution detection
▪ TOC detection in water
▪ Blast furnace gas detection
▪ Garbage incineration and landfill
▪ Tunnel gas detection
Product Model |
SPTr-GAS® ANALYZER |
Detection Principle |
Photoacoustic spectroscopy |
Display Zuilowvalue |
0.1 ppm (typical), Different according to the detection range |
response time |
Cycle time<20s |
Detection limit |
<0.01% FS varies depending on the detection range |
warm-up time |
When the ambient temperature is 20 ° C (68 ° F), it takes approximately 15 minutes to heat up to 50 ° C (122 ° F); |
Operation method |
Touch screen, 5.6 "LCD |
|
analog output
|
4mA~20mA (during normal operation)
2mA (during preheating or status alarm)
|
Analog output range |
Default settings: The lower range corresponds to 4mA, and the upper range corresponds to 20mA, which can be adjusted by the user |
|
Alarm contact output
|
6-way output
The following signals can be allocated through the relay output allocation function:
X1 device malfunction error alarm
Sample gas sampling control solenoid valve control signal during x1 automatic calibration
X1 automatic calibration zero point gas control solenoid valve control signal
XN channels (N is the number of channels) automatic calibration range gas control solenoid valve control signal z
XN channels (N is the number of channels) for measuring gas concentration upper/lower limit alarm
|
Relay contact capacity |
1A contact (250V AC/2A, resistive load) |
communication |
Serial port output RS232 (DB-9 female head)
RS485 modbus
|
Working Voltage |
198~242V AC, 50/60 Hz power<125W |
power interface |
EN60320 C1 |
fuse |
Fuse current 3A, fast melting fuse size: 5mm x 20mm |
Shell protection level |
IP41 (EN60529) |
weight |
Unpackaged about 10kg with packaging about 19kg |
intake flow |
(0.2~1.2) L/min (flow fluctuation should be ≤ 0.02 L/min) Note: The instrument flow rate for photoacoustic spectroscopy detection principle type is (1.5~2.0) L/min |
intake air temperature |
(5~35)℃ |
intake pressure |
116 kPa (maximum) |
Moisture in gas |
• Non condensing
• Dew point of intake: 5 ℃± 0.1 ℃ (this is necessary when the measurement channel includes SO2 and/or NO)
|
Particulate matter in gas |
100µg/m³, ≤1µm |
Zero point calibration gas |
99.999% N2 (nitrogen) |
Third point calibration gas (midpoint) |
0.375~0.625 of the full range of the measured gas |
Full range calibration gas (user calibration) |
0.75~1.25 of the full range of the measured gas |
Gas detection range category:
gas |
Detection range |
linear error |
precision |
Background gas |
NH3 |
Ammonia |
0…100ppm |
0.5ppm / 0.1% FS |
0.1ppm / 0.1% FS |
Air or N2 |
NH3 |
Ammonia |
0…1 g/m3 |
0.1% FS |
0.1% FS |
Air or N2 |
C5H10 |
Cyclopentane |
0…100ppm |
0.5ppm / 0.1% FS |
0.1ppm / 0.1% FS |
Air or N2 |
C3H6O |
Acetone |
0…2000ppm |
0.1% FS |
0.1% FS |
Air or N2 |
C2H6O |
Ethyl Alcohol |
0…2000ppm |
0.1% FS |
0.1% FS |
Air or N2 |
C3H8O |
Isopropyl Alcohol |
0…1000ppm |
0.1% FS |
0.1% FS |
Air or N2 |
CH4O |
Methyl Alcohol |
0…500ppm |
0.1% FS |
0.1% FS |
Air or N2 |
NF3 |
Cyclopentane |
0…20ppm |
0.5ppm / 0.1% FS |
0.1ppm / 0.1% FS |
Air or N2 |
N2O |
Nitrous Oxide |
0…500ppm |
0.1% FS |
0.1% FS |
Air or N2 |
C2Cl4 |
PERC |
0…800ppm |
0.1% FS |
0.1% FS |
Air or N2 |
SO2F2 |
ProFume® |
0…1 g/m3
0…1000ppm
1…150 g/m3
|
0.1% FS |
0.1% FS |
Air or N2 |
CCl3F |
R11 |
0…500ppm |
0.1% FS |
0.1% FS |
Air or N2 |
C2Cl3F3 |
R113 |
0…50ppm |
0.5ppm / 0.1% FS |
0.1ppm / 0.1% FS |
Air or N2 |
C2F6 |
R116 |
0…100ppm |
0.5ppm / 0.1% FS |
0.1ppm / 0.1% FS |
Air or N2 |
CCl2F2 |
R12 |
0…100ppm |
0.5ppm / 0.1% FS |
0.1ppm / 0.1% FS |
Air or N2 |
C2HCl3F2 |
R122 |
0…100ppm |
0.5ppm / 0.1% FS |
0.1ppm / 0.1% FS |
Air or N2 |
C2HCl2F3 |
R123 |
0…100ppm |
0.5ppm / 0.1% FS |
0.1ppm / 0.1% FS |
Air or N2 |
CClF3 |
R13 |
0…100ppm |
0.5ppm / 0.1% FS |
0.1ppm / 0.1% FS |
Air or N2 |
CF4 |
R14 |
0…100ppm |
0.5ppm / 0.1% FS |
0.1ppm / 0.1% FS |
Air or N2 |
CHClF2 |
R22 |
0…100ppm |
0.5ppm / 0.1% FS |
0.1ppm / 0.1% FS |
Air or N2 |
CHF3 |
R23 |
0…150ppm |
0.5ppm / 0.1% FS |
0.1ppm / 0.1% FS |
Air or N2 |
C8H8 |
Styrene |
0…50ppm |
0.5ppm / 0.1% FS |
0.1ppm / 0.1% FS |
Air or N2 |
SO2 |
Sulfur dioxide |
0…100ppm |
0.5ppm / 0.1% FS |
0.1ppm / 0.1% FS |
Air or N2 |
SO2 |
Sulfur dioxide |
0…1000ppm |
0.1% FS |
0.1% FS |
SF6 |
C8H20O4Si |
TEOS |
0…100ppm |
0.5ppm / 0.1% FS |
0.1ppm / 0.1% FS |
Air or N2 |
C2HCl3F2 |
Toluene |
0…100ppm |
0.5ppm / 0.1% FS |
0.1ppm / 0.1% FS |
Air or N2 |
C2HCl3 |
TRI |
0…1000ppm |
0.1% FS |
0.1% FS |
Air or N2 |
CH3Br |
Methyl Bromide |
0…2 g/m3 |
0.1% FS |
0.1% FS |
N2 (only) |
For other gas please contact us for more information. |