OEM Refrigerant Gas Sensor for Leak Detection & Measurement - LS-7

  • OEM Refrigerant Gas Sensor for Leak Detection & Measurement
  • OEM Refrigerant Gas Sensor for Leak Detection & Measurement
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• Sensor LS-7 DETECTABLE Gases: SF6, NH3
• Response time: 0.5-1.5 (sec)
• Gas flow (typ.): 120 sccm
• Power Supply: +15/-15/0 V - 200 mA
• Digital I/O: RS232
• LS-7 Smallest detectable Concentration(SF6): 0.5 PPM

  • Model Number: LS-7
  • Data Sheet: Date Sheet File
Quantity:
- +

Product Specification

LS series OEM Refrigerant Gas Sensor Description
LS series gas sensors are designed for maximum sensitivity and speed they do not have a reference channel. Thus a calibration procedure (background detection) is needed with these sensors. Each sensor consists of an I.R. detection cell and an electronic board. The board is equipped with a micro-processor which performs the measurement and transmits it to any external control unit via an RS-232 protocol. For complete operations the sensor requires an RS-232 line, DC power supply (+/- 15 V) and connection to a suitable pneumatic circuitry to allow the gas being tested to flow into the cell.

Our sensors for trace gas detection adopt the N.D.I.R. (Non Dispersive Infra Red) Tecnology. This technology is based on light absorption at selected wavelengths for each different gas.

LS series OEM Refrigerant Gas Sensor DETECTABLE Gases:

Sensor LS-1
R134a
Sensor LS-2
R22
Sensor LS-3
CO2
Sensor LS-4
R134, R404, R407, R410
Sensor LS-5
R134, R404, R407, R410, R22
Sensor LS-6
R600, R290, CH3OH, C6H6, C7H8, C8H10 …….
Sensor LS-7
SF6, NH3
Sensor LS-8
CH4
Sensor LS-9
CH2O


LS series OEM Refrigerant Gas Sensor Refrigerant Gas Leak Detection SPECIFICATIONS :

Smallest detectable
Refrigerant leak rates
R 134a
0.3 (g/y)
LS-1
R 22
0.5 (g/y)
LS-2
R 404
0.2 (g/y)
LS-4
R 407
0.6 (g/y)
LS-4
R410
0.8 (g/y)
LS-4
R600
0.6 (g/y)
LS-6
HIGH res. Measuring scale
0 -100 (g/y)
res. 0.1 g/y

LOW res. Measuring scale
0 -10000 (g/y)
res. 10 g/y

Response time
0.5-1.5 (sec)
(1)
Gas flow (typ.)
120 sccm
(2)
Power Supply
+15/-15/0 V - 200 mA

Digital I/O
RS232
(3)
(1) the sensor response time can be set on customer demand. A faster response time means a lower detector precision.
(2) Sensor parameters are factory set for this flow rate. Different settings available on demand.
(3) Baud-rate=9600 (it can be differently set on customer demand), Data bits=8, Parity=none, Stop bits=1.

LS series OEM Refrigerant Gas Sensor Environmental Gas Concentration Measurements:
Smallest detectable 
Concentration  
(Sniffer method)
CO2
1.0 PPM
LS-3
CH4
5.0 PPM
LS-8
SF6
0.5 PPM
LS-7
Smallest detectable
Concentration
(Close Circuit)
CH2O
0.02 PPM
LS-9
CH3OH0
0.01 PPM
LS-6
C6H6
0.02 PPM
LS-6
C7H8
0.02 PPM
LS-6
C 8H10
0.02 PPM
LS-6
HIGH res. Measuring scale
0 -100 PPM
or
0-1000 PPM
res. 0.1 PPM

res. 1 PPM


LOW res. Measuring scale
0 -10000 PPM
or
0 - 100000 PPM
res. 10 PPM

res. 100 PPM

Response time
0.5-1.5 (sec)
(1)
Gas flow (typ.)
120 sccm
(2)
Power Supply
+15/-15/0 V - 200 mA

Digital I/O
RS232
(3)
(1) the sensor response time can be set on customer demand. A faster response time means a lower detector precision.
(2) Sensor parameters are factory set for this flow rate. Different settings available on demand.
(3) Baud-rate=9600 (it can be differently set on customer demand), Data bits=8, Parity=none, Stop bits=1.

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