E+E EE381 moisture-in-oil transmitter, water activity and ppm, to 120 °C and 100 bar, optional display
Pricing depends on specification, quantity and delivery location. Send your requirement and we reply with a costed quotation within 24 hours.
Quick overview
- Type: Moisture & humidity
- Signal / Protocol: 4–20 mA, Voltage
- 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-1493 |
| Category | Oil & Gas Instruments |
| Group | Instrumentation & Control |
| Brand | E+E Elektronik |
| Model | EE381 |
| Technical | |
| Type | Moisture & humidity |
| Signal / Protocol | 4–20 mA, Voltage |
| Hazardous area | General purpose |
Datasheet
Technical features
| Moisture measurement in transformer, lubrication and hydraulic oil and diesel fuel for preventive maintenance | |
| Calculates absolute water content in ppm | |
| Swirling front end and status LEDs; optional backlit LCD | |
| Stainless steel G ½ ISO or ½ in NPT connection, 20 or 100 bar | |
| Two freely selectable and scalable analog outputs | |
| Inspection certificate to DIN EN 10204-3.1 |
Applications
| Transformer oil moisture monitoring | |
| Hydraulic and lubrication oil monitoring in high-pressure systems | |
| Diesel fuel moisture |
Key specifications
| Measured variables | Water activity (aw), water content (ppm), temperature |
|---|---|
| Range | 0–1 aw; oil −40 to +120 °C |
| Accuracy | ±0.02 aw (0–0.9 aw), ±0.03 aw (0.9–1) |
| Output | 2 × 0–5 V / 0–10 V or 4–20 mA / 0–20 mA |
| Pressure rating | 20 bar or 100 bar |
| Enclosure | Metal (AlSi9Cu3), IP65; stainless steel probe |
Measurement
| Water activity range | 0–1 aw |
|---|---|
| aw accuracy | ±0.02 aw (0–0.9 aw); ±0.03 aw (0.9–1 aw), incl. hysteresis and non-linearity |
| Temperature dependence | aw: ±(0.00022 + 0.0002 × aw) × ΔT; T: ±0.0003 °C/°C |
| Response time | t90 typ. 10 min in still oil at 20 °C |
| Oil temperature | −40 to +120 °C |
General
| Outputs | 2 × 0–5 V / 0–10 V (−1 mA < IL < 1 mA) or 4–20 mA / 0–20 mA 3-wire (RL < 500 Ω), for aw, T or ppm |
|---|---|
| Supply | 10–30 V DC (15 V min. for 0–10 V or current output) |
| Consumption at 24 V | Typ. 40 mA (voltage) / 80 mA (current) |
| Pressure rating | 0–20 bar or 0–100 bar |
| Enclosure | AlSi9Cu3, IP65 |
| Connection | 7-pole industrial plug (DIN VDE 0627 / IEC 61984), PG11 |
| Temperature | Probe −40 to +120 °C; electronics −40 to +80 °C; display −20 to +50 °C; storage −40 to +60 °C |
| Process connection | G ½ ISO or ½ in NPT, stainless steel |
| EMC | EN 61326-1, -2-3 industrial; FCC Part 15 Class B |
Notes
| Data from the manufacturer's published datasheet. Confirm model, range, materials and approvals with Argonmark before ordering. |
Photo: courtesy of E+E Elektronik, used with permission (source) — background removed by Argonmark. All photo credits
Description
The E+E EE381 is a moisture-in-oil transmitter for transformer, lubrication and hydraulic oil and diesel fuel. It measures water activity from 0 to 1 aw with ±0.02 aw accuracy at oil temperatures from −40 to +120 °C, and calculates the absolute water content in ppm for preventive maintenance.
Two freely scalable voltage or current outputs carry aw, temperature or ppm, and an optional backlit display is available. The stainless steel probe mounts with a G ½ or ½ in NPT thread and is rated to 20 or 100 bar.
Argonmark Ltd supplies E+E Elektronik 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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