COSA Xentaur HDT loop-powered HART dew point transmitter, −100 to +20 °C dp
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Quick overview
- Type: Moisture & humidity
- Signal / Protocol: 4–20 mA, HART
- Hazardous area: Hazardous-area rated / option
- Genuine productsSourced from the manufacturer or authorised channels
- Delivery across BangladeshDhaka, Chattogram and all industrial zones
- After-sales supportInstallation guidance and warranty handling
- Reply within 24 hoursCall +880 1713 552466 or email hello@argonmark.com
Specifications
| General | |
|---|---|
| Part no. | BD-1432 |
| Category | Oil & Gas Instruments |
| Group | Instrumentation & Control |
| Brand | COSA Xentaur |
| Model | HDT |
| Technical | |
| Type | Moisture & humidity |
| Signal / Protocol | 4–20 mA, HART |
| Hazardous area | Hazardous-area rated / option |
Datasheet
Technical features
| Hyper-Thin-Film (HTF) high-capacitance aluminium oxide sensor: fast, accurate and stable | |
| Not affected by condensation or liquid water: resumes measuring when dried, without recalibration | |
| World's smallest loop-powered dew point transmitter: Ø 32 mm × 136 mm stainless steel | |
| HART multidrop | several transmitters on one loop |
|---|---|
| Factory-programmable dew point alarm output | |
| Temperature-compensated multi-point calibration (−10 to +70 °C) | |
Applications
| Hydrocarbon processing and natural gas | |
| Catalyst protection, heat treating, industrial gases, dryer control, semiconductor |
Approvals
| FM | IS Class I, II, III Div 1 Groups A–G T6/T4; Class I Zone 0 AEx ia IIC; NI Class I Div 2 |
|---|---|
| ATEX (NEMKO) | II 1 GD EEx ia IIC T6; EEx nA IIC T6 |
| CE | EMC |
Key specifications
| Measured variable | Dew point (also ppmV, lb H₂O/MMscf, g/m³, ppmW, vapour pressure) |
|---|---|
| Range | −100 to +20 °C dp (XTR-100) or −60 to +20 °C dp (XTR-60) |
| Accuracy | ±2 °C dp; repeatability ±0.2 °C |
| Output | Two-wire 4–20 mA + HART |
| Power supply | 5 to 28 V DC loop |
| Approvals | FM IS Class I–III Div 1, Zone 0 AEx ia IIC; ATEX EEx ia IIC T6 / EEx nA |
Sensor (HTF Al₂O₃)
| Dew point range | XTR-100: −100 to +20 °C; XTR-60: −60 to +20 °C |
|---|---|
| Accuracy | ±2 °C (±3.6 °F) |
| Repeatability | ±0.2 °C |
| Compensated temperature range | −10 to +70 °C |
| Sample flow | Static to 100 m/s |
| Storage temperature | −40 to +80 °C |
| Calibration | NIST/NPL-traceable multi-point table with temperature compensation |
Transmitter
| Output | 4–20 mA linear to units (resolution 0.1 °C dp), programmable range; HART digital |
|---|---|
| Power | 5 to 28 V DC, reverse-polarity protected |
| Operating pressure | 34 bar (500 psig) standard; 340 bar (5,000 psig) optional |
| Operating temperature | −30 to +85 °C |
| Process connection | M14 × 1.25 and ¾-16 UNF threads; also ⅝-18 UNF, G½, ½ NPT |
| Electrical connection | 9.4 mm 4-pin industrial connector, IP65 (IP66/IP67 optional) |
| Housing | Stainless steel, Ø 32 × 136 mm, 227 g |
| Isolation | Sensor isolated from housing and threads |
Notes
| Data from the manufacturer's published datasheet. Confirm model, range, materials and approvals with Argonmark before ordering. |
Photo: courtesy of COSA Xentaur, used with permission (source) — background removed by Argonmark. All photo credits
Description
The COSA Xentaur HDT is a loop-powered (two-wire) dew point transmitter with 4–20 mA and HART output, built around a Hyper-Thin-Film aluminium oxide sensor that is fast, stable and unaffected by liquid water. It measures from −100 °C to +20 °C dew point (XTR-100 sensor) with ±2 °C accuracy and ±0.2 °C repeatability.
The stainless steel body is only 32 mm × 136 mm, is rated to 34 bar (340 bar optional) and −30 to +85 °C, and carries FM intrinsically safe and ATEX EEx ia approvals for hazardous areas.
Argonmark Ltd supplies COSA Xentaur instruments across Bangladesh — Dhaka, Chattogram, Gazipur, Narayanganj and the gas fields, refineries, terminals and power plants beyond. Send us the model, range, process connection, output and any hazardous-area requirement, and we will confirm the right configuration, lead time and price.
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