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| Brand | Alphasense (UK) |
|---|---|
| Origin | United Kingdom |
| Model | O2-A2 |
| Measurement Range | 0–30% O₂ (v/v) |
| Operating Life | >24 months to 85% of initial output |
| Dimensions | Ø20.3 × 16.8 mm |
| Output Current | 80–120 µA @ 22°C, 20.9% O₂ |
| Response Time (t₉₀) | <15 s (20.9% → 0% O₂, 47 Ω load) |
| Linearity Error | <±0.6 ppm (full scale, zero & 400 ppm points) |
| Weight | <16 g |
| Operating Temperature | −30 to +55 °C |
| Pressure Range | 80–120 kPa |
| Relative Humidity | 5–95% RH (non-condensing) |
| Storage Duration | 6 months at 3–20 °C |
| Load Resistance | 47–100 Ω |
| Brand | Alphasense (UK) |
|---|---|
| Origin | United Kingdom |
| Model | O2-A3 |
| Operating Life | >36 months (to 85% of initial output) |
| Measurement Range | 0–30% O₂ (vol) |
| Output Current | 55–85 nA @ 22°C, 20.9% O₂ |
| Response Time (t₉₀) | <15 s (20.9% → 0% O₂, 47 Ω load) |
| Dimensions | Ø20.3 × 16.8 mm |
| Weight | <16 g |
| Operating Temperature | −30 to +55 °C |
| Pressure Range | 80–120 kPa |
| Humidity Range | 5–95% RH (non-condensing) |
| Storage Duration | 6 months (3–20 °C) |
| Load Resistance | 47–100 Ω |
| Brand | Alphasense (UK) |
|---|---|
| Origin | United Kingdom |
| Model | O2-C3 |
| Measurement Range | 0–30% O₂ |
| Operating Life | >3 years |
| Dimensions | Φ20.3 × 23 mm |
| Output Current | 65–85 µA @ 22°C, 20.9% O₂ |
| Response Time (t₉₀) | <45 s |
| Linearity Error | ±0.6 ppm |
| Weight | <18 g |
| Operating Temperature | −30 to +55°C |
| Operating Pressure | 80–120 kPa |
| Relative Humidity Range | 5–95% RH (non-condensing) |
| Storage Stability | 6 months |
| Load Resistance | 47–100 Ω |
| Brand | Alphasense (UK) |
|---|---|
| Origin | United Kingdom |
| Model | O2-G1 (Miniature) |
| Measurement Range | 0–30% O₂ |
| Operating Lifetime | >12 months |
| Dimensions | Φ20.3 × 10.2 mm |
| Output Current | 65–85 µA @ 22°C, 20.9% O₂ |
| Response Time (t₉₀) | <18 s |
| Weight | <7 g |
| Operating Temperature | −30 to +55°C |
| Pressure Range | 80–120 kPa |
| Humidity Range | 5–95% RH (non-condensing) |
| Storage Life | 6 months |
| Load Resistance | 47–100 Ω |
| Brand | Alphasense (UK) |
|---|---|
| Origin | United Kingdom |
| Model | O2-G2 |
| Operating Life | >2 years |
| Dimensions | Ø20.3 × 10.2 mm |
| Output Current | 30–42 nA @ 22°C, 20.9% O₂ |
| Response Time (t₉₀) | <18 s |
| Weight | <7 g |
| Operating Temperature Range | −30 to +55 °C |
| Pressure Range | 80–120 kPa |
| Humidity Range | 5–95 %RH (non-condensing) |
| Storage Stability | 6 months |
| Load Resistance | 47–100 Ω |
| Sensor Type | Galvanic Electrochemical |
| Compliance | CE-marked, RoHS-compliant, ATEX/IECEx-ready (with appropriate housing) |
| Brand | Alphasense (UK) |
|---|---|
| Origin | United Kingdom |
| Model | O2-M2 |
| Measurement Range | 0–30% O₂ (v/v) |
| Operating Life | >24 months (to 85% of initial output) |
| Dimensions | Ø20.3 × 16.8 mm |
| Typical Output | 80–120 nA @ 22°C, 20.9% O₂ |
| Response Time (t₉₀) | <15 s (20.9% → 0% O₂, 47 Ω load) |
| Linearity Error | <±0.6% FS (zero & 400 ppm points) |
| Weight | <16 g |
| Operating Temperature | −30 to +55°C |
| Pressure Range | 80–120 kPa |
| Relative Humidity Range | 5–95% RH (non-condensing) |
| Storage Stability | 6 months (unpowered, sealed) |
| Load Resistance | 47–100 Ω |
| Sensor Type | Potentiostatically controlled electrochemical cell |
| Brand | Alphasense (UK) |
|---|---|
| Origin | United Kingdom |
| Model | OX-B431 (Successor to OX-B421) |
| Detection Principle | Potentiostatic 3-Electrode Electrochemical |
| Target Gases | O₃ and NO₂ |
| O₃ Range | 0–20 ppm (50 ppm overload) |
| NO₂ Range | 0–20 ppm (50 ppm overload) |
| Response Time (t₉₀) | <80 s for both gases |
| Sensitivity (O₃) | −225 to −750 nA/ppm |
| Sensitivity (NO₂) | −250 to −750 nA/ppm |
| Dimensions | Ø32.3 × 16.5 mm |
| Operating Temperature | −30 °C to +50 °C |
| Operating Humidity | 15–90 % RH (non-condensing) |
| Lifetime | ≥24 months (typical, dependent on exposure conditions) |
| Compliance | CE-marked, RoHS-compliant, designed per IEC 60079-29-1 for use in gas detection systems |
| Brand | Alphasense (UK) |
|---|---|
| Origin | United Kingdom |
| Model | PH3-A1 |
| Measurement Range | 0–10 ppm |
| Sensitivity | 550–900 nA/ppm |
| Response Time (t₉₀) | <25 s |
| Linearity Error | ±0.6 ppm (0–20 ppm full scale) |
| Overload Limit | 75 ppm |
| Resolution | <0.1 ppm |
| Dimensions | Ø20.2 × 16.5 mm |
| Operating Temperature | −30 to +50 °C |
| Operating Humidity | 20–90 %RH (non-condensing) |
| Load Resistance | 10–33 Ω |
| Expected Service Life | 24 months |
| Storage Stability | 6 months (unpowered, sealed, 20 °C) |
| Brand | Alphasense |
|---|---|
| Origin | United Kingdom |
| Model | PH3-B1 |
| Measurement Principle | Amperometric Electrochemistry |
| Detection Range | 0–10 ppm |
| Sensitivity | 600–1,000 nA/ppm |
| Response Time (t₉₀) | <15 s |
| Linear Range | 0–4 ppm |
| Linearity Error | ±1.0 to ±1.8 ppm across full scale |
| Overload Capacity | 150 ppm |
| Resolution | 0.05 ppm |
| Dimensions | Ø32.3 × 16.5 mm |
| Operating Temperature | −30 to +50 °C |
| Operating Humidity | 15–90 %RH (non-condensing) |
| Expected Service Life | 24 months |
| Storage Shelf Life | 6 months |
| Electrolyte Type | Aqueous acid-based |
| Working Electrode | Lead (Pb) or Tin (Sn) alloy |
| Counter Electrode | Stainless steel |
| Reference Electrode | Ag/AgCl |
| Brand | Alphasense |
|---|---|
| Origin | UK |
| Model | PH3-BE |
| Measurement Principle | Electrochemical |
| Detection Range | 0–2000 ppm |
| Sensitivity | 15–25 nA/ppm |
| Response Time (t₉₀) | <25 s |
| Linear Range | –50 to –350 ppm (zero-based calibration context) |
| Overload Capacity | 5000 ppm |
| Resolution | 2 ppm |
| Dimensions | Ø32.3 × 16.5 mm |
| Operating Temperature | –20 to +50 °C |
| Operating Humidity | 20–90 % RH (non-condensing) |
| Load Resistance | 10–33 Ω |
| Expected Service Life | 24 months |
| Storage Shelf Life | 6 months |
| Brand | Alphasense |
|---|---|
| Origin | United Kingdom |
| Model | PID-A1 (High-Range) |
| Detection Principle | Photoionization |
| Target Analytes | VOCs and select toxic gases |
| Typical Range | 50 ppb – 4000 ppm |
| Lamp Type | 10.6 eV UV lamp |
| Operating Environment | Diffusion or pumped sampling |
| Humidity Tolerance | Enhanced |
| Contamination Resistance | Optimized electrode housing |
| Electrode Assembly | Removable, pneumatically sealed |
| Output Signal | 4–20 mA analog |
| Warranty | 12 months (excludes lamp and grid) |
| Expected Service Life | >5 years |
| Diagnostic Capability | Lamp-off detection |
| Compliance | RoHS, CE, ATEX-certified variants available |
| Brand | Alphasense |
|---|---|
| Origin | United Kingdom |
| Model | PID-A1 |
| Detection Range | 50 ppb – 4000 ppm (isobutylene-equivalent) |
| Lamp Type | 10.6 eV UV lamp |
| Output Signal | 4–20 mA analog |
| Operating Temperature | −20 °C to +50 °C |
| Humidity Range | 0–95% RH (non-condensing) |
| Lifetime | >5 years (sensor body) |
| Warranty | 12 months (excludes lamp and grid electrode) |
| Compliance | RoHS, CE-marked for industrial use |
| Interface | Plug-and-play OEM module with detachable, pneumatically sealed electrode assembly |
| Diagnostic Capability | Built-in lamp status monitoring and zero-drift diagnostics |
| Brand | Alphasense |
|---|---|
| Origin | UK |
| Model | PID-A15 |
| Detection Range | 100 ppb – 4000 ppm (isobutylene equivalent) |
| Response Time (T90) | ≤2 s |
| Lamp Energy | 10.6 eV |
| Output Signal | 0.040–2.85 V |
| Operating Voltage | 3.2–5.5 VDC |
| Power Consumption | 80–200 mW |
| Sensitivity (typ.) | 1.1 mV/ppm isobutylene |
| Min. Detectable Level | 100 ppb isobutylene |
| Linear Range | 0–200 ppm isobutylene |
| Overload Capacity | 4000 ppm isobutylene |
| Operating Temperature | −20 °C to +60 °C |
| Relative Humidity | 0–95% RH (non-condensing) |
| Expected Sensor Lifetime | >5 years |
| Lamp Lifetime | 6000 h (10.6 eV) |
| Warranty | 12 months (sensor body), excluding lamp and grid |
| Certifications | ATEX, UL, IECEx, US Pat. No. 6,646,444, JP Pat. No. 3,793,757 |
| Brand | Alphasense |
|---|---|
| Origin | United Kingdom |
| Model | PID-AH (Low-Range) |
| Detection Range | 1 ppb – 40 ppm (isobutylene equivalent) |
| Lamp Energy | 10.6 eV |
| Output Signal | 4–20 mA / 0–5 V analog |
| Operating Temperature | −30 °C to +50 °C |
| Humidity Tolerance | 0–95% RH (non-condensing) |
| Lifetime | >5 years (sensor body) |
| Brand | Alphasense |
|---|---|
| Origin | United Kingdom |
| Model | PID-AY5 (High-Sensitivity) |
| Detection Range | 1 ppb – 20 ppm (typical for VOCs) |
| Lamp Energy | 10.6 eV |
| Output Signal | Analog (0–5 V or 4–20 mA, configurable) |
| Operating Temperature | −20 °C to +50 °C |
| Humidity Range | 0–95% RH (non-condensing) |
| Response Time (T90) | < 30 s (diffusion mode) |
| Zero Stability | < 2 ppb drift/week |
| Sensitivity Drift | < 2% FS/month |
| Lifetime | ≥ 12 months (lamp), ≥ 24 months (sensor body) |
| Brand | Alphasense (UK) |
|---|---|
| Origin | United Kingdom |
| Model | SO2-AE |
| Detection Range | 0–2,000 ppm |
| Overload Capacity | 10,000 ppm |
| Response Time (t90) | <33 s |
| Sensitivity | 55–80 nA/ppm |
| Resolution | <1.5 ppm |
| Dimensions | Ø20.2 × 16.5 mm |
| Sensor Type | Three-electrode electrochemical gas sensor |
| Brand | Alphasense (UK) |
|---|---|
| Origin | United Kingdom |
| Model | SO2-AF (Portable) |
| Overload | 75 ppm |
| Response Time (t₉₀) | <35 s |
| Dimensions | Ø20 × 16.5 mm |
| Detection Range | 0–50 ppm |
| Sensitivity | 300–550 nA/ppm |
| Resolution | <0.1 ppm |
| Linearity | Linear from 0–10 ppm |
| Operating Temperature | −20 °C to +50 °C |
| Operating Humidity | 15–90 % RH (non-condensing) |
| Expected Lifetime | ≥24 months (typical in ambient air) |
| Zero Current | <±5 nA |
| Bias Voltage | −300 mV |
| Brand | Alphasense (UK) |
|---|---|
| Origin | United Kingdom |
| Model | SO2-BE |
| Detection Range | 0–2000 ppm |
| Overload Limit | 10,000 ppm |
| Response Time (t₉₀) | <30 s |
| Sensitivity | 70–100 nA/ppm |
| Resolution | <2 ppm |
| Linearity | Linear up to 20 ppm |
| Dimensions | Ø32.3 × 16.5 mm |
| Operating Temperature | −20 °C to +50 °C |
| Operating Humidity | 15–90% RH (non-condensing) |
| Expected Lifetime | ≥24 months (typical in ambient air) |
| Brand | Alphasense (UK) |
|---|---|
| Origin | United Kingdom |
| Model | SO2-BF (Fixed-Mount) |
| Overload | 500 ppm |
| Response Time (t90) | <30 s |
| Dimensions | Ø32.3 × 16.5 mm |
| Measurement Range | 0–100 ppm SO₂ |
| Sensitivity | 300–440 nA/ppm |
| Brand | Alphasense (UK) |
|---|---|
| Origin | United Kingdom |
| Model | SOH-A2 |
| Detection Principle | Potentiostatic 3-Electrode Electrochemistry |
| Gas Targets | Sulfur Dioxide (SO₂) and Hydrogen Sulfide (H₂S) |
| SO₂ Channel | Range 0–20 ppm, Resolution <0.2 ppm, t₉₀ <15 s, Sensitivity 140–250 nA/ppm (at 10 ppm), Zero Current <+0.2 ppm, Linearity Error ±2 ppm (0–10 ppm), Overload Capacity 50 ppm |
| H₂S Channel | Range 0–200 ppm, Resolution <0.1 ppm, t₉₀ <25 s, Sensitivity 450–900 nA/ppm (at 20 ppm), Zero Current ±0.25 ppm, Linearity Error ±5 ppm (0–20 ppm), Overload Capacity 200 ppm |
| Filtered Cross-Sensitivity Suppression | Integrated high-capacity SO₂-specific filter eliminates interference from H₂S, NOₓ, and acidic gases |
| Operating Temperature | –20 °C to +50 °C |
| Operating Humidity | 15–90 % RH (non-condensing) |
| Expected Lifetime | ≥24 months (typical field use) |
| Compliance | CE marked, RoHS compliant, meets IEC 60079-29-1 (Explosive Atmospheres – Gas Detectors) |
| Brand | Alphasense (UK) |
|---|---|
| Origin | United Kingdom |
| Model Series | THCO / THSO₂ / THH₂S / THNO₂ |
| Supply Voltage | 7.5–35 VDC |
| Output Signal | 4–20 mA analog |
| Sensor Compatibility | Alphasense B-Series and A-Series electrochemical toxic gas sensors |
| Compliance | CE-marked, RoHS-compliant, designed for integration into industrial fixed-gas detection systems |
| Brand | Alphasense |
|---|---|
| Origin | United Kingdom |
| Model | THO2 4–20 mA Analog Transmitter Module |
| Sensor Compatibility | Alphasense A-Series O₂ Electrochemical Sensors |
| Supply Voltage | 7.5–35 VDC |
| Output Signal | 4–20 mA (2-wire loop-powered) |
| Compliance | CE-marked, RoHS-compliant |
| Enclosure Rating | IP65 (housing dependent on OEM integration) |
| Operating Temperature | −20 °C to +50 °C |
| Storage Temperature | −40 °C to +70 °C |
| Long-Term Stability | <2% FS/year (typical, with calibrated sensor) |
| Brand | Alphasense (UK) |
|---|---|
| Origin | United Kingdom |
| Model | VOC-A4 |
| Detection Principle | Amperometric 4-Electrode Electrochemical |
| Target Gases | Volatile Organic Compounds (e.g., ethanol, isopropanol, toluene) and Carbon Monoxide (CO) |
| Operating Bias Options | 0 V, 0.1 V, 0.2 V, or 0.3 V |
| Response Time (t₉₀) | <30 s |
| Dimensions | Ø20.2 × 16.5 mm |
| CO Range | 0–190 ppm (max overload: 1000 ppm) |
| CO Sensitivity | 230–410 nA/ppm |
| Ethanol (C₂H₆O) Range | 0–2 ppm (max overload: 5 ppm) |
| Ethanol Sensitivity | 200–400 nA/ppm |
| Brand | Alphasense (UK) |
|---|---|
| Origin | United Kingdom |
| Model | VOC-B4 |
| Detection Principle | Amperometric 4-Electrode Electrochemistry |
| Target Gases | Volatile Organic Compounds (e.g., ethanol), Carbon Monoxide (CO) |
| Response Time (t₉₀) | <30 s |
| Dimensions | Ø32.3 × 16.5 mm |
| CO Range | 0–100 ppm (overload: 1000 ppm) |
| Ethanol Range | 0–2 ppm (overload: 5 ppm) |
| CO Sensitivity | 400–700 nA/ppm |
| Ethanol Sensitivity | 400–650 nA/ppm |
| Bias Voltage Options | 0 V, 0.1 V, 0.2 V, or 0.3 V |
| Operating Temperature | –20 °C to +50 °C |
| Humidity Range | 15–90 % RH (non-condensing) |
| Brand | -- |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | 4239 |
| Pricing | Upon Request |
| Brand | Apogee |
|---|---|
| Origin | USA |
| Model | SL-510-SS (Upward), SL-610-SS (Downward) |
| Sensitivity | 0.12 mV per W/m² |
| Calibration Factor | 8.5 W/m² per mV |
| Measurement Range | −200 to +200 W/m² (net longwave) |
| Uncertainty | ±5% (k=2) |
| Spectral Range | 5–30 µm |
| Field of View | 150° (hemispherical) |
| Response Time | <0.5 s |
| Zero Offset Drift | <5 W/m² |
| Tilt Error | <0.5% |
| Nonlinearity | <1% |
| Long-Term Drift | <2% per year |
| Repeatability | <1% |
| Temperature Response | <5% (−15 to +45 °C) |
| Thermistor | 30 kΩ @ 25 °C, ±1 °C accuracy |
| Thermistor Output | 0–2500 mV (with 2500 mV excitation) |
| Heater Power | 185 mW @ 12 V DC (780 Ω, 15.4 mA) |
| Housing | Anodized aluminum, IP67 (SL-510-SS) / IP68 (SL-610-SS) |
| Cable Connector | Marine-grade stainless steel, 30 cm pigtail |
| Dimensions | Ø23.5 mm × 27.5 mm height |
| Mass | 90 g (SL-510-SS), 100 g (SL-610-SS) |
| Warranty | 4 years |
| Brand | Apogee |
|---|---|
| Origin | USA |
| Model | SN-500 |
| Measurement Range (Shortwave Up) | 0–2000 W/m² |
| Measurement Range (Shortwave Down) | 0–2000 W/m² |
| Measurement Range (Longwave Up) | −200 to +200 W/m² |
| Measurement Range (Longwave Down) | −200 to +200 W/m² |
| Spectral Range (Shortwave Up) | 385–2105 nm |
| Spectral Range (Shortwave Down) | 295–2685 nm |
| Spectral Range (Longwave) | 5000–30,000 nm |
| Sensitivity | 55 µV/(W/m²) (SW↑), 150 µV/(W/m²) (SW↓), 100 µV/(W/m²) (LW↑/LW↓) |
| Response Time | 1 s (detector) |
| Zero Offset (5 K/h) | 18.2 W/m² (SW↑), 6.67 W/m² (SW↓), 10 W/m² (LW) |
| Field of View | 180° (SW↑), 150° (SW↓), 180° (LW↑/LW↓) |
| Output | Four SDI-12 digital channels (SW↑, SW↓, LW↑, LW↓) |
| Supply Voltage | 5–16 V DC (heater rated at 12 V DC) |
| Power Consumption | 62 mA / 740 mW @ 12 V DC |
| Operating Temperature | −50 °C to +80 °C |
| Relative Humidity | 0–100 % RH |
| Dimensions | 116 mm (L) × 45 mm (W) × 66 mm (H) |
| Weight | 320 g (including mounting rod and 5-m cable) |
| Cable | 5-m, 4-conductor shielded twisted pair with ethylene propylene rubber jacket |
| Brand | Apogee |
|---|---|
| Origin | USA |
| Model Numbers | SP510 |
| Measurement Range | 0–2000 W/m² (shortwave net radiation) |
| Spectral Range | 385–2105 nm (SP510), 295–2685 nm (SP610), 360–1120 nm (silicon photodiode models) |
| Output Options | 0–114 mV, 0–300 mV, 0–400 mV, 0–2.5 V, 4–20 mA, 0–5 V, USB, SDI-12 |
| Uncertainty | ±5% |
| Cosine Response Error | <30 W/m² at 80° zenith angle (SP510) |
| Response Time | ≤0.5 s (thermopile), <1 ms (silicon) |
| Operating Temperature | −50 to +80 °C (thermopile), −40 to +70 °C (silicon, submersible to 30 m) |
| Long-Term Drift | <2% per year |
| IP Rating | IP68 (silicon models), IP67 (thermopile models) |
| Brand | Apogee |
|---|---|
| Origin | USA |
| Model | SU-100 |
| Spectral Range | 250–400 nm |
| Absolute Accuracy | ±10% |
| Uniformity | ±5% |
| Repeatability | ±1% |
| Output Sensitivity | 0.2 mV per μmol·m⁻²·s⁻¹ |
| Full-Sun Output | ~35 mV (≈175 μmol·m⁻²·s⁻¹, ≈60 W·m⁻²) |
| Calibration Factor | 5.0 μmol·m⁻²·s⁻¹ per mV |
| Output Range | 0–60 mV (0–300 μmol·m⁻²·s⁻¹, 0–102 W·m⁻²) |
| Response Time | <1 ms |
| Long-Term Drift | <3% per year |
| Operating Environment | −25 to +55 °C, 0–100% RH |
| IP Rating | IP68 (submersible) |
| Weight | 75 g |
| Standard Cable Length | 5 m (extendable) |
| Power Supply | Self-powered (no external power required) |
| Brand | AQ M-Tech |
|---|---|
| Origin | Sweden |
| Model | APS6-25 |
| Housing Material | Polypropylene |
| Inner Diameter | 6 mm |
| Outer Diameter | 49 mm |
| Tri-Clamp Connection | 25 mm |
| Cable Length | Standard (no extension specified) |