Alphasense (UK)
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| Brand | Alphasense (UK) |
|---|---|
| Origin | United Kingdom |
| Model | 3SP_CO_1000 |
| Measurement Range | 0–1000 ppm |
| Overload Capacity | 5000 ppm |
| Response Time (t₉₀) | <30 s |
| Dimensions | 20 × 20 × 4.9 mm |
| Sensitivity | ~4.75 ± 2.75 nA/ppm at 3 mV bias |
| Operating Temperature | −20 °C to +50 °C |
| Long-Term Stability | <2 % signal drift per year |
| Shelf Life | 24 months (unopened, refrigerated) |
| Brand | Alphasense (UK) |
|---|---|
| Origin | United Kingdom |
| Model | 3SP_H2S_50 |
| Measurement Range | 0–50 ppm |
| Overload Capacity | 100 ppm |
| Response Time (t₉₀) | <30 s |
| Dimensions | 15 × 15 × 3.8 mm |
| Sensitivity | 250 ± 50 nA/ppm |
| Operating Temperature | −30 to +50 °C |
| Operating Humidity | 15–90 % RH (non-condensing) |
| Zero Current | <±5 nA |
| Long-Term Drift | <2 %/month (typical) |
| Expected Service Life | ≥24 months (in clean air, 23 °C, 50 % RH) |
| Brand | Alphasense (UK) |
|---|---|
| Origin | United Kingdom |
| Model | 3SP_NO2_20 |
| Detection Range | 0–20 ppm |
| Overload Limit | 50 ppm |
| Response Time (t₉₀) | <30 s |
| Sensitivity | 30 ± 5 nA/ppm |
| Dimensions | 15 × 15 × 3.8 mm |
| Brand | Alphasense (UK) |
|---|---|
| Origin | United Kingdom |
| Model | 3SP_O3_20 |
| Detection Range | 0–20 ppm |
| Overload Limit | 50 ppm |
| Response Time (t₉₀) | <30 s |
| Sensitivity | −30 ±5 nA/ppm |
| Dimensions | 15 × 15 × 3.8 mm |
| Operating Temperature | −30 to +50 °C |
| Storage Life | ≥12 months (unmounted, sealed) |
| Compliance | RoHS, REACH, CE-marked per EN 61000-6-3/6-4 |
| Brand | Alphasense (UK) |
|---|---|
| Origin | United Kingdom |
| Model | 3SP_SO2_20 |
| Measurement Range | 0–20 ppm |
| Overload Capacity | 50 ppm |
| Response Time (t₉₀) | <30 s |
| Sensitivity | 30 ± 5 nA/ppm |
| Dimensions | 15 × 15 × 3.8 mm |
| Brand | Alphasense (UK) |
|---|---|
| Origin | United Kingdom |
| Model | 3SP-Ethanol-1000 |
| Measurement Range | 0–1000 ppm |
| Overload Capacity | 2000 ppm |
| Response Time (t₉₀) | ≤30 s |
| Sensitivity | 14 ±5 nA/ppm |
| Dimensions | 15 × 15 × 3.8 mm |
| Brand | Alphasense (UK) |
|---|---|
| Origin | United Kingdom |
| Model | B4 Series |
| Detection Limit | <10 ppb |
| Operating Principle | Amperometric Electrochemistry with Auxiliary Electrode Compensation |
| Electrode Configuration | 4-Electrode (Working, Counter, Reference, Auxiliary) |
| Typical Response Time (t90) | <30 s |
| Zero Current Compensation | Yes |
| Interference Rejection | Enhanced via Auxiliary Electrode |
| Application Environment | Ambient Air, Indoor Air, Stack Emissions, Portable & Fixed Monitoring Systems |
| Compliance Context | Designed for use in systems compliant with EN 14625, ISO 12039, and EPA Method IO-3.2 (for ambient O₃, NO₂, SO₂, H₂S, CO) |
| Brand | Alphasense (UK) |
|---|---|
| Origin | United Kingdom |
| Model | CO-AM |
| Measurement Principle | Electrochemical |
| Target Gas | Carbon Monoxide (CO) |
| Full-Scale Range | 0–5000 ppm |
| Sensitivity | 55–90 nA/ppm |
| Response Time (t₉₀) | <25 s |
| Zero Current | <±15 nA |
| Full-Scale Linearity Error | ±15–25 ppm |
| Overload Capacity | 10,000 ppm |
| Resolution | 0.5 ppm |
| Operating Temperature | −30 to +50 °C |
| Operating Humidity | 15–90 % RH (non-condensing) |
| Load Resistance | 10–47 Ω |
| Expected Operational Lifetime | 24 months |
| Storage Shelf Life | 6 months |
| Diameter × Height | Φ20.2 × 16.5 mm |
| Compliance | CE-marked, RoHS-compliant, meets IEC 60079-29-1 for gas detection performance validation |
| Brand | Alphasense (UK) |
|---|---|
| Origin | United Kingdom |
| Model | CO-BM |
| Measurement Principle | Potentiostatic 3-electrode electrochemistry |
| Range | 0–5000 ppm CO |
| Sensitivity | 80–130 nA/ppm |
| Response Time (t90) | <25 s |
| Zero Current | ±30 ppm |
| Overload Capacity | 10,000 ppm |
| Resolution | 0.5 ppm |
| Operating Temperature | −30 to +50 °C |
| Operating Humidity | 15–90 % RH (non-condensing) |
| Load Resistance | 10–47 Ω |
| Filtered Inlet | Integrated hydrophobic PTFE membrane |
| Dimensions | Ø32.3 × 16.5 mm |
| Expected Operational Lifetime | 24 months |
| Storage Stability | 6 months (unpowered, sealed, 20 °C) |
| Brand | Alphasense (UK) |
|---|---|
| Origin | United Kingdom |
| Model | CO-D4 |
| Measurement Range | 0–1000 ppm CO |
| Sensitivity | 30–48 nA/ppm |
| Response Time (t₉₀) | <25 s |
| Linear Range | ±40 ppm |
| Overload Capacity | 2000 ppm |
| Resolution | 1.5 ppm |
| Dimensions | Ø14.5 × 8.3 mm |
| Operating Temperature | −20 to +50 °C |
| Operating Humidity | 15–90 %RH (non-condensing) |
| Load Resistance | 10–47 Ω |
| Expected Operational Lifetime | 2 years |
| Storage Shelf Life | 6 months |
| Brand | Alphasense (UK) |
|---|---|
| Origin | France |
| Model | CO-DF (Miniature) |
| Sensitivity | 33–48 nA/ppm |
| Response Time (t₉₀) | <20 s |
| Measurement Range | 0–1000 ppm |
| Overload Capacity | 2000 ppm |
| Dimensions | Ø14.5 × 8.4 mm |
| Expected Operational Life | 2 years |
| Output Signal | Current (nA) proportional to CO concentration |
| Operating Temperature | −20 °C to +50 °C |
| Storage Temperature | −40 °C to +70 °C |
| Humidity Range | 15–90 % RH (non-condensing) |
| Zero Current | <±5 nA |
| Baseline Stability | <2 nA/month |
| Cross-Sensitivity to H₂ | <−5 % @ 100 ppm |
| Compliance | CE marked, RoHS compliant, meets IEC 60079-29-1 for gas detection performance |
| Brand | Alphasense (UK) |
|---|---|
| Origin | United Kingdom |
| Model | CO2-D1 |
| Detection Range | 0.2–95% CO₂ (v/v) |
| Output Signal | Logarithmic mV output |
| Response Time (t₉₀) | 2–4 minutes |
| Operating Temperature | 10–35 °C |
| Power Requirement | Self-powered (no external supply required) |
| Dimensions | Compact form factor |
| Application Domains | Combustion analysis, industrial process monitoring, safety gas detection |
| Brand | Alphasense (UK) |
|---|---|
| Origin | United Kingdom |
| Model | COH-A1 |
| Detection Principle | Electrochemical |
| Target Gases | CO & H₂S |
| CO Range | 0–2000 ppm |
| H₂S Range | 0–200 ppm |
| CO Resolution | 0.5 ppm |
| H₂S Resolution | 0.05 ppm |
| CO t90 | <25 s |
| H₂S t90 | <30 s |
| CO Sensitivity | 55–90 nA/ppm (at 400 ppm) |
| H₂S Sensitivity | 550–875 nA/ppm (at 20 ppm) |
| CO Zero Current | −4 to +2 ppm |
| H₂S Zero Current | 0 to −0.3 ppm |
| CO Linearity | 0–400 ppm |
| H₂S Linearity | 0–20 ppm |
| CO Overload Capacity | 5000 ppm (stable pulse response) |
| Brand | Alphasense (UK) |
|---|---|
| Origin | United Kingdom |
| Model | COH-A2 |
| Sensor Type | Electrochemical |
| Target Gases | Carbon Monoxide (CO), Hydrogen Sulfide (H₂S) |
| CO Range | 0–1000 ppm |
| H₂S Range | 0–100 ppm |
| CO Resolution | <0.5 ppm |
| H₂S Resolution | <0.1 ppm |
| CO t₉₀ | <35 s |
| H₂S t₉₀ | <30 s |
| CO Sensitivity | 50–100 nA/ppm (at 400 ppm CO) |
| H₂S Sensitivity | 650–1100 nA/ppm (at 20 ppm H₂S) |
| CO Zero Current | −3 to +3.5 ppm |
| H₂S Zero Current | ±0.25 ppm |
| CO Linearity Error | ≤±5 ppm (0–400 ppm), full-scale error 10–40 ppm |
| H₂S Linearity Error | <±5 ppm (0–20 ppm) |
| CO Overload Capacity | 5000 ppm (stable pulse response) |
| H₂S Overload Capacity | 200 ppm (stable pulse response) |
| Cross-Sensitivity Mitigation | Integrated high-capacity filter on CO working electrode eliminates interference from H₂S, SO₂, NOₓ, and acidic gases |
| Brand | Alphasense (UK) |
|---|---|
| Origin | United Kingdom |
| Model | ETO-A1 |
| Measurement Principle | Amperometric Electrochemistry |
| Detection Range | 0–100 ppm |
| Sensitivity | 2000–3200 nA/ppm |
| Response Time (t90) | <150 s |
| Linear Range | 0–40 ppm |
| Full-Scale Error | ±5–10 ppm |
| Overload Capacity | 200 ppm |
| Resolution | <0.1 ppm |
| Dimensions | Ø20.2 × 16.5 mm |
| Operating Temperature | −30 to +50 °C |
| Operating Humidity | 15–90 %RH (non-condensing) |
| Load Resistance | 10–47 Ω |
| Expected Service Life | 24 months |
| Storage Shelf Life | 6 months |
| Brand | Alphasense (UK) |
|---|---|
| Origin | United Kingdom |
| Model | H2-AF |
| Sensitivity | 10–25 nA/ppm |
| Overload Limit | 5000 ppm |
| Response Time (t₉₀) | <100 s |
| Detection Range | 0–2000 ppm H₂ |
| Dimensions | Ø20.2 × 16.5 mm |
| Sensor Type | Three-Electrode Electrochemical |
| Operating Temperature | −20 °C to +50 °C |
| Operating Humidity | 15–90 % RH (non-condensing) |
| Expected Lifetime | ≥24 months (in air) |
| Zero Current | <±5 nA |
| Baseline Stability | <2 nA/week |
| Brand | Alphasense (UK) |
|---|---|
| Origin | United Kingdom |
| Model | H2-BF |
| Detection Range | 0–5000 ppm H₂ |
| Overload Limit | 20,000 ppm |
| Response Time (t₉₀) | <100 s |
| Resolution | 2 ppm |
| Zero Offset | ±10 ppm |
| Sensitivity | 12–25 nA/ppm |
| Dimensions | Ø32.3 × 16.5 mm |
| Brand | Alphasense (UK) |
|---|---|
| Origin | United Kingdom |
| Model | H2O2-B1 |
| Measurement Range | 0–2000 ppm |
| Sensitivity | 50–90 nA/ppm |
| Response Time (t₉₀) | ≤25 s |
| Linearity Error | ±30 ppm |
| Overload Capacity | 5000 ppm |
| Resolution | <0.5 ppm |
| Dimensions | Ø32.3 × 16.5 mm |
| Operating Temperature | −30 to +50 °C |
| Operating Humidity | 15–90 %RH (non-condensing) |
| Load Resistance | 10–47 Ω |
| Expected Service Life | 24 months |
| Storage Shelf Life | 6 months |
| Brand | Alphasense (UK) |
|---|---|
| Origin | United Kingdom |
| Model | H2S-A1 |
| Measurement Range | 0–100 ppm |
| Sensitivity | 550–900 nA/ppm |
| Response Time (t₉₀) | <25 s |
| Linear Range | 0–20 ppm |
| Full-Scale Linearity Error | ±4 ppm |
| Overload Capacity | 500 ppm |
| Resolution | <0.05 ppm |
| Dimensions | 20.2 × 16.5 mm |
| Operating Temperature | −30 to +50 °C |
| Operating Humidity | 15–90 %RH (non-condensing) |
| Load Resistance | 10–47 Ω |
| Expected Service Life | 24 months |
| Storage Shelf Life | 6 months |
| Brand | Alphasense (UK) |
|---|---|
| Origin | United Kingdom |
| Model | H2S-AH (High-Current) |
| Measurement Range | 0–50 ppm |
| Sensitivity | 900–1500 nA/ppm |
| Response Time (t₉₀) | <30 s |
| Linear Range | 0–20 ppm |
| Full-Scale Linearity Error | 0 to –2.5 ppm |
| Overload Capacity | 250 ppm |
| Resolution | <0.03 ppm |
| Dimensions | Ø20.2 × 16.5 mm |
| Operating Temperature | –30 to +50 °C |
| Operating Humidity | 15–90 %RH (non-condensing) |
| Load Resistance | 10–47 Ω |
| Expected Service Life | 24 months |
| Storage Shelf Life | 6 months |
| Brand | Alphasense (UK) |
|---|---|
| Origin | United Kingdom |
| Model | H2S-BE |
| Measurement Range | 0–2000 ppm |
| Sensitivity | 80–140 nA/ppm |
| Response Time (t₉₀) | <50 s |
| Linear Range | 0–400 ppm (linearity error < ±30 ppm) |
| Overload Capacity | 10,000 ppm |
| Resolution | <0.5 ppm |
| Operating Temperature | −30 to +50 °C |
| Operating Humidity | 15–90 % RH (non-condensing) |
| Load Resistance | 10–47 Ω |
| Dimensions | Ø32.3 × 16.5 mm |
| Expected Service Life | 24 months |
| Storage Stability | 6 months (unpowered, 20–25 °C) |
| Brand | Alphasense (UK) |
|---|---|
| Origin | United Kingdom |
| Model | H2S-D1 |
| Overload | 200 ppm |
| Response Time (t₉₀) | <20 s |
| Dimensions | Ø14.5 × 8.4 mm |
| Measurement Range | 0–100 ppm |
| Sensitivity | 110–160 nA/ppm |
| Expected Operational Life | 24 months |
| Output Type | Linear current output (nA) proportional to H₂S concentration |
| Brand | Alphasense (UK) |
|---|---|
| Origin | United Kingdom |
| Model | H2S-D4 (Miniature) |
| Measurement Range | 0–100 ppm |
| Sensitivity | 110–170 nA/ppm |
| Response Time (t₉₀) | <25 s |
| Linear Range | 0–20 ppm (±6 ppm full-scale linearity error) |
| Overload Capacity | 200 ppm |
| Resolution | <0.2 ppm |
| Dimensions | Ø14.5 × 8.3 mm |
| Operating Temperature | −30 to +50 °C |
| Operating Humidity | 15–90 %RH (non-condensing) |
| Load Resistance | 10–47 Ω |
| Expected Service Life | 24 months |
| Storage Life (unmounted, sealed) | 6 months |
| Sensor Type | Three-electrode electrochemical cell |
| Brand | Alphasense (UK) |
|---|---|
| Origin | United Kingdom |
| Model | HCL-A1 |
| Sensitivity | 50–140 nA/ppm |
| Response Time (t₉₀) | <300 s |
| Resolution | 1 ppm |
| Dimensions | Ø20.2 × 16.5 mm |
| Operating Temperature | −30 to +50 °C |
| Operating Humidity | 15–90 %RH (non-condensing) |
| Load Resistance | 10–33 Ω |
| Sensor Type | Three-electrode electrochemical cell |
| Target Gas | Hydrogen chloride (HCl) |
| Lifetime (typical) | ≥24 months (in ambient air, 23 °C, 50 %RH) |
| Brand | Alphasense (UK) |
|---|---|
| Origin | United Kingdom |
| Model | HCL-B1 |
| Sensitivity | 120–250 nA/ppm |
| Response Time (t90) | <200 s |
| Resolution | <0.1 ppm |
| Operating Temperature | −30 to +50 °C |
| Operating Humidity | 15–90 %RH (non-condensing) |
| Load Resistance | 10–33 Ω |
| Diameter × Height | 32.3 × 16.5 mm |
| Brand | Alphasense (UK) |
|---|---|
| Origin | United Kingdom |
| Model | HCL-D4 |
| Sensitivity | 100–200 nA/ppm |
| Response Time (t₉₀) | ≤250 s |
| Resolution | <0.1 ppm |
| Zero Current | <3 ppm |
| Measurement Range | 0–50 ppm |
| Overload Capacity | 100 ppm |
| Load Resistance | 10–33 Ω |
| Diameter × Height | Φ14.5 × 8.3 mm |
| Sensor Type | Three-Electrode Electrochemical |
| Brand | Alphasense (UK) |
|---|---|
| Origin | United Kingdom |
| Model | HCN-A1 |
| Measurement Range | 0–100 ppm |
| Sensitivity | 45–85 nA/ppm |
| Response Time (t₉₀) | <70 s |
| Linear Range | 0–40 ppm |
| Full-Scale Error | ±4–8 ppm |
| Overload Capability | 150 ppm |
| Resolution | <0.05 ppm |
| Dimensions | Ø20.2 × 16.5 mm |
| Operating Temperature | −30 to +50 °C |
| Operating Humidity | 15–90 %RH (non-condensing) |
| Load Resistance | 10–33 Ω |
| Expected Service Life | 12 months |
| Storage Shelf Life | 6 months |
| Brand | Alphasense (UK) |
|---|---|
| Origin | United Kingdom |
| Model | HCN-B1 |
| Measurement Principle | Amperometric Electrochemistry |
| Detection Range | 0–100 ppm |
| Sensitivity | 65–140 nA/ppm |
| Response Time (t₉₀) | <120 s |
| Linearity Range | 0–40 ppm (full-scale linearity error ≤ ±5% of reading in 0–4 ppm range) |
| Overload Capacity | 200 ppm |
| Resolution | <0.05 ppm |
| Dimensions | Ø32.3 × 16.5 mm |
| Operating Temperature | −30 to +50 °C |
| Operating Humidity | 15–90 % RH (non-condensing) |
| Load Resistance | 10–33 Ω |
| Expected Operational Lifetime | 12 months (typical, under standard ambient conditions) |
| Storage Shelf Life | 6 months (at 20 °C, sealed in original packaging) |
| Brand | Alphasense (UK) |
|---|---|
| Origin | United Kingdom |
| Model | HCN-D4 |
| Measurement Principle | Amperometric Electrochemistry |
| Range | 0–50 ppm |
| Sensitivity | 30–50 nA/ppm |
| Response Time (t₉₀) | <50 s |
| Overload Capacity | 250 ppm |
| Resolution | <0.3 ppm |
| Operating Temperature | –20 to +50 °C |
| Operating Humidity | 15–90 % RH (non-condensing) |
| Load Resistance | 10–47 Ω |
| Expected Operational Lifetime | 12 months |
| Storage Life (unmounted, sealed) | 6 months |
| Dimensions | Ø14.5 × 8.3 mm |
| Brand | Alphasense (UK) |
|---|---|
| Origin | United Kingdom |
| Model | IRC-AT |
| Measurement Principle | Non-Dispersive Infrared (NDIR) |
| Range | 0–5000 ppm / 0–5% vol / 0–20% vol |
| Resolution | 25 ppm / 250 ppm / 0.4% vol |
| Accuracy | ±1.5% FS / ±2.5% FS (depending on range) |
| Response Time (t₉₀) | <40 s |
| Operating Temperature | −20 °C to +50 °C |
| Expected Service Life | >5 years |
| Dimensions | Ø20.0 × 16.5 mm |