▎Product Introduction ：
The RA912F Return-mode SF₆ Gas Analyzer performs comprehensive analysis of SF₆ purity/humidity/decomposition products (SO₂/CO/H₂S) with gas return/recovery functions, enabling zero-loss operation by either returning sampled gas to external containers or directly back to the sampling chamber.
▎Key Features ：
1.One-button automatic measurement.
2.Zero-emission gas return/recovery.
3.Expert diagnostic system.
4.Modular maintenance design.
5.10,000-data storage with USB export.
6.Wheeled telescopic case.
▎Technical Specifications ：
Parameter |
Value |
|
Input Pressure Range |
(0.4~2) MPa |
|
Refill Pressure |
≤0.8 MPa (direct to pressure switch) |
|
Recovery Pressure |
≤0.8 MPa (to external cylinder/bag, optional) |
|
Exhaust Pressure |
Atmospheric (recovery bag optional) |
|
Flow Rate |
100~300 mL/min (default 150 mL/min, configurable) |
|
SF₆ Purity |
||
Principle |
Thermal conductivity |
|
Range |
(0~100) % |
|
Maximum Permissible Error |
±0.5 |
|
Response Time |
≤60s |
|
Humidity (Optional) |
||
Principle |
Laser |
Capacitive |
Range |
(-60~+20) ℃ |
(-60~+20) ℃ |
Maximum Permissible Error |
(-50~+20) ℃: ±1℃(-60~-50) ℃: ±2℃ |
±2℃ |
Response Time |
≤30s |
≤3min |
SO₂ Detection |
||
Principle |
Electrochemical |
|
Range |
(0~100) μL/L |
|
Maximum Permissible Error |
(0~10) μL/L: ±0.5μL/L，(10~100) μL/L: ±5% |
|
Response Time |
≤60s |
|
H₂S Detection |
||
Principle |
Electrochemical |
|
Range |
(0~100) μL/L |
|
Maximum Permissible Error |
(0~10) μL/L: ±0.5μL/L，(10~100) μL/L: ±5% |
|
Response Time |
≤60s |
|
CO Detection |
||
Principle |
Electrochemical |
|
Range |
(0~500) μL/L |
|
Maximum Permissible Error |
(0~50) μL/L: ±2μL/L，(50~500) μL/L: ±5% |
|
Response Time |
≤60s |
|
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