Keller DCX-38 VG capacitive water level logger, 50–300 mbar, high resolution
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Quick overview
- Type: Level
- Signal / Protocol: RS-485
- Hazardous area: General purpose
- 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-1423 |
| Category | Oil & Gas Instruments |
| Group | Instrumentation & Control |
| Brand | Keller |
| Model | DCX-38 VG |
| Technical | |
| Type | Level |
| Signal / Protocol | RS-485 |
| Hazardous area | General purpose |
Datasheet
Technical features
| Capacitive gold-plated ceramic diaphragm for very low ranges and long-term stability | |
| Vented cable compensates atmospheric pressure automatically: no separate baro logger | |
| Optional desiccant tube protects the reference vent | |
| Data port at the cable end for on-site retrieval | |
| User-serviceable battery |
Applications
| High-resolution measurement of small water level changes (ponds, channels, shallow wells) |
Key specifications
| Measured variables | Water level (vented gauge pressure) and temperature |
|---|---|
| Ranges | 0–50, 0–100, 0–300 mbar (0.5, 1, 3 mWC) |
| Accuracy | Total error band 0.2 %FS; resolution 0.002 %FS |
| Power | 3.6 V lithium battery (AA), ~10 years at 1 reading/hour |
| Memory | 57,000 values (≤ 15 s interval) |
| Housing | Stainless steel 316L, gold-plated ceramic diaphragm, Ø 38 mm |
Specification
| Pressure ranges (vented gauge) | 0–50 mbar (0.5 mWC), 0–100 mbar (1 mWC), 0–300 mbar (3 mWC) |
|---|---|
| Overpressure | 10 × range (50/100 mbar); 5 × range (300 mbar) |
| Total error band | 0.2 %FS (−10 to 40 °C) |
| Resolution | max. 0.002 %FS |
| Stability | ±0.1 %FS (FS ≥ 100 mbar); ±0.1 mbar (FS ≤ 100 mbar) |
| Temperature accuracy | typ. ±0.5 °C |
| Supply | Lithium battery 3.6 V, type AA, ~10 years at 1 reading/hour |
| Interface | RS 485 (Fischer DEE 103A054) |
| Vented cable | 5 m or 10 m standard |
| Memory | 57,000 values at ≤ 15 s, otherwise 28,000 |
| Materials | Gold-plated ceramic diaphragm, stainless steel 316L housing, Viton O-ring |
Notes
| Data from the manufacturer's published datasheet. Confirm model, range, materials and approvals with Argonmark before ordering. |
Description
The Keller DCX-38 VG is a capacitive water level logger for very small ranges, 0–50, 0–100 or 0–300 mbar (0.5 to 3 m water column), with a resolution of 0.002 %FS. Its gold-plated ceramic diaphragm gives excellent long-term stability, and the vented cable compensates atmospheric pressure automatically.
It records level and temperature in 57,000-value memory, has a 0.2 %FS total error band and runs about ten years on an AA lithium battery.
Argonmark Ltd supplies Keller 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.
Questions & answers
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