LM231EX Explosion-proof Weight Indicator with 24-bit Σ-Δ ADC & Ex-d Housing for Hazardous Areas, Modbus-RTU Supported
Basic Properties
Place of Origin:
China
Brand Name:
Linmindu
Model Number:
LM231EX
Trading Properties
Minimum Order Quantity:
1 set
Supply Ability:
1,000 units per month
Product Summary
LM231EX Explosion‑proof Indicator LM231EX is a flame‑proof weight indicator designed for hazardous explosive atmospheres (gas & dust hazardous zones). Die‑cast aluminium explosion‑proof enclosure meets Ex‑d isolation explosion‑proof standard, safe for chemical, pharmaceutical, paint, grain and ...
Product Details
Highlight:
24-bit Σ-Δ ADC Explosion-proof Indicator
,Ex-d Housing Weight Indicator
,Modbus-RTU Supported Intelligent Weighing System
Enclosure Type:
Explosion‑proof Housing
Emperature Range:
Wide Operating Temperature
Function:
Multiple Weighing Modes
Product:
Explosion Proof Scales
Display:
6‑digit LED
ADC Resolution:
24‑bit Σ‑Δ
Product Description
LM231EX Explosion‑proof Indicator
LM231EX is a flame‑proof weight indicator designed for hazardous explosive atmospheres (gas & dust hazardous zones). Die‑cast aluminium explosion‑proof enclosure meets Ex‑d isolation explosion‑proof standard, safe for chemical, pharmaceutical, paint, grain and petrochemical weighing sites.
Equipped with high‑precision 24‑bit Σ‑Δ AD conversion, 6‑digit high‑bright LED display. Supports multiple weighing modes: basic weighing, counting, check‑weighing, accumulation, animal weighing. Standard isolated RS232 / RS485 communication, Modbus‑RTU protocol supported for connecting PLC, printer and host system. Multiple optional modules: Ethernet, 4‑in‑4‑out digital I/O, Bluetooth, label print function. Rugged mechanical structure, wide operating temperature range, adapts to harsh on‑site industrial conditions.
Product Features
- Ex‑d flame‑proof isolation explosion‑proof housing for hazardous area installation
- 24‑bit high‑speed Σ‑Δ A/D conversion, max display resolution 200,000 divisions
- Drives up to 10 pcs of 350 Ω load cells
- 6‑digit bright LED numeric display, clear reading under strong light
- Built‑in isolated RS232 / RS485, Modbus‑RTU; optional Ethernet / Bluetooth / Digital I/O
- Multi‑function: zero, tare, check‑weigh, count, total accumulation, label printing
- Surge & lightning protection for communication ports
- Multiple mounting options: wall‑mount, pipe bracket, desktop installation
- Wide temperature working range for heavy‑duty industrial environment
Typical Applications
- Explosion‑proof platform scale, floor scale, hopper weighing
- Hazardous‑zone batching & dosing control
- Chemical, fine‑chemical, pharmaceutical, coatings, solvent processing plants
- Grain, oil & petrochemical raw‑material inventory weighing
- Explosion‑safe check‑weighing & sorting stations
Specifications
| Project | Parameters |
|---|---|
| Explosion-proof Mark | Ex d ib II C T4-T6 Gb |
| Display | 6-digit high-brightness LED |
| Max Display Divisions | 200,000 |
| A/D Conversion | 24-bit Σ-Δ ADC |
| Load Cell Drive | Up to 10 pcs ×350 Ω sensors |
| Sensor Excitation | DC 5V |
| Standard Communication | Isolated RS232, RS485 (Modbus RTU) |
| Optional Interfaces | Ethernet, Bluetooth, 4-in-4-out Digital I/O |
| Supported Functions | Weighing, Counting, Check-weighing, Accumulation, Animal Weighing, Label Print |
| Protection Grade | IP65 |
| Operating Temperature | -20 ℃ ~ +60 ℃ |
| Power Supply | AC 100-240V / Optional intrinsic-safe battery pack |
| Housing Material | Die-cast aluminium alloy |
| Mounting | Wall-mount / Pipe bracket / Desktop |
Mr. ChangHua，Zhao
- Email: changhua.zhao@lmdwt.com
- Tel: +86 15695199529
- WhatsApp: 8615695199529
-
WeChat:
15695199529
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