- Shenzhen Isweek Ltd.
- Main products: Gas Sensor, UV Sensor, Humidity Sensor, Pressure Sensor, Ultrasonic Sensor, Wind Speed sensor, Liquid Level Sensor
Home > Products > Gas sensor > LS-7 OEM Refrigerant Gas Sensor for Leak Detection & Measurement
LS-7 OEM Refrigerant Gas Sensor for Leak Detection & Measurement
- 1000 Piece / Pieces per Month
- HK
- T/T PayPal
- 7 days
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Product Details
| Brand Name | Qbit | Place of Origin | Italy | |
| Model Number | LS-7 | Usage | Gas Sensor |
Product Description
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) | |
(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.
Contact Us
- Shenzhen Isweek Ltd.
- Contact nameMs Rita yu Chat Now
- Phone86-755-83289036
- Address16 Floor, Building #3, Zhongke Mansion, Gaoxin South 1st Rd, Hi-Tech Park, Nanshan, Shenzhen, Guangdong
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