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| Brand | ADEV |
|---|---|
| Origin | Italy |
| Model | M860 |
| Measurement Principle | Thermal Conductivity Detection |
| Gas Specificity | SF₆ in Binary Mixtures (e.g., SF₆/N₂, SF₆/air, SF₆/CF₄) |
| Range | 0–100% SF₆ by Volume |
| Accuracy | ±0.2% FS (flow-independent) |
| Response Time | t₆₀ = 20 s, t₉₀ = 45 s |
| Operating Temperature | −30 °C to +50 °C (optimal accuracy maintained across full range) |
| Sample Flow Rate | 0.2–0.5 L/min |
| Display | High-contrast LCD, 0.1% SF₆ resolution |
| Power Supply | Rechargeable Li-ion battery (integrated, with overcharge/over-discharge protection) + AC adapter |
| Dimensions | 248 × 230 × 98 mm |
| Weight | 2.5 kg |
| Built-in Components | Precision pressure regulator, particulate filter, laminar flow meter |
| Enclosure | Ruggedized shock-absorbing transport case compliant with IEC 60068-2-64 for field deployment |
| Brand | ADEV |
|---|---|
| Origin | Italy |
| Model | 6866 |
| Sensor Type | Explosion-Proof Thermal Conductivity Detector (TCD) |
| Mounting | DIN Rail |
| Output | 4–20 mA (isolated), RS232 (9600 baud, ASCII, RTS/CTS) |
| Measurand | H₂ in N₂ or Ar (0–10%, 0–30%, 0–100%), He in Ar (0–10%, 0–30%, 0–100%), N₂ in N₂O (75–100%, 0–100%), etc. |
| Operating Temp | −20 °C to +50 °C |
| Sample Pressure | 1 bar ±100 mbar (abs. max 10 bar) |
| Sample Flow | 100–300 mL/min |
| Accuracy | ±1% FS |
| Repeatability | ±0.5% FS |
| Resolution | 0.1% FS |
| Power | 24 VDC ±10%, ≤10 W |
| Enclosure | IP65-rated DIN rail housing (85 × 100 × 35 mm) |
| Certifications | ATEX II 2G EEx d IIB + H₂ T6/T3, EMC Directive 89/336/EEC, Low Voltage Directive 73/23/EEC |
| Brand | ADEV |
|---|---|
| Origin | Italy |
| Model | 8866TR |
| Detection Principle | Thermal Conductivity Differential Measurement |
| Measurable Gases | He, H₂, CH₄, Ar, CO₂, SO₂, HC |
| Range Options | 0–1% to 0–100%, including narrow bands (e.g., 80–100%, 95–100%, 98–100%) |
| Accuracy | ±1% FS |
| Repeatability | ≤0.3% FS |
| Linearity Error | ≤1% FS |
| Response Time (t₆₀) | H₂ <13 s, CO₂ <23 s |
| Flow Rate | 100 mL/min – 2 L/min |
| Sample Interface | 1/4" or 6 mm compression fitting |
| Analog Output | 4–20 mA (up to 4 channels) |
| Digital Interface | RS232 / RS485 |
| Sensor Housing Materials | 316SS, 303SS, Pt–Ir alloy, borosilicate glass, PTFE, FKM |
| Power Supply | 24 VDC / 50 VA or 115–220 VAC, 50/60 Hz, 40 VA |
| Weight | 8.5 kg |
| Dimensions (W×H×D) | 180 × 155 × 325 mm |
| Enclosure Rating | IP65 |
| Explosion Protection | ATEX II 2G Ex d IIC T6 Gb / II 2D Ex tb IIIC T85°C Db, suitable for Zone 1 & Zone 21 |
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