10 LINE Multi-Channel Heavy Weighbridge Junction Box 10 Channels
20m, 22m, and 24m multi-axle super-heavy weighbridges (100t–150t), railway weigh stations.
Summing for 8, 9, or 10 Load Cells
IP68 Hermetic Waterproof Seal
Precision Metrology & Electrical Specifications
SPEC VERSION: 2026.1 / CALIBRATION VERIFIED| Structural Architecture | 10-Channel Large Weighbridge Junction Box |
| Summing Capacity & Load Cell Channels | Summing for 8, 9, or 10 Load Cells |
| PCB Trace Purity & Insertion Loss | Heavy Copper Ground Plane for EMI/RFI Shielding |
| Summing Homogeneity & Signal Margin | Negligible Distortion (< 0.001%) |
| Load Cell Input Resistance Compatibility | Input: Compatible with All Standard Analog Load Cells | Output: High-Conductivity Terminal Bus |
| Insulation Resistance | ≥ 10,000 MΩ (Tested at 50V DC) |
| Excitation Pass-Through Rating | 5V - 24V DC |
| Compensated Temperature Range | -40°C to +85°C |
| Lightning Surge Arrestors & Ground Lug | Safe: Full Multi-Stage Surge Protection on All 10 Channels | Ultimate: Dual Earth Studs for Dedicated Ground Rod Connection |
| Integral Cable Specification | 11 x PG13.5 Waterproof Cable Glands (10 In + 1 Out) |
10 LINE: Enclosure Metallurgy, Waterproof Glands & Pit Ingress Protection
Summing Junction Box ArchitectureExtra-Large Stainless Steel Enclosure with Neoprene Gasket. Engineered for prolonged moisture immersion in scale pits across Iraq.
- Deep-drawn 304 heavy-gauge stainless steel or die-cast aluminum enclosure prevents pit rust.
- Continuous cellular neoprene perimeter gasket maintains elastic seal under years of compression.
- Internal and external captive lid screws made of A2/A4 grade marine stainless steel.
Hermetic barrier preventing water and chemical ingress into Summing for 8, 9, or 10 Load Cells summing terminals.
- Rated IP67 / IP68: Resists submersion in scale pit rainwater without moisture penetration.
- Equipped with 11 x PG13.5 Waterproof Cable Glands (10 In + 1 Out) with rubber compression grommets to grip cables securely.
- Equipped with internal breathing membrane plug to equalize vapor pressure while rejecting liquid droplets.
Vibration-Proof Terminals & Corner Trim Convergence
Spacious interior permits easy wiring and probe testing during annual COSQC verification visits.
10 LINE: Multi-Channel Parallel Summing, Surge Arrestors & Home-Run Trunk Wiring
Hardware Interface Map| CELL INPUT 1..N | +Exc, -Exc, +Sig, -Sig, Shield (Summing for 8, 9, or 10 Load Cells independent channels) |
| HOME RUN TRUNK | 6-Core shielded connection to Indicator (+Exc, -Exc, +Sig, -Sig, +Sen, -Sen) |
| GDT SURGE STAGE | Full Multi-Stage Surge Protection on All 10 Channels on every excitation and signal conductor |
| TVS DIODE STAGE | High-speed transient voltage suppressors clamp high-frequency line spikes |
| GROUND STUD | Dual Earth Studs for Dedicated Ground Rod Connection to copper earthing ring (< 1.0 Ohm resistance) |
- Load Cell Compatibility: Compatible with All Standard Analog Load Cells provides universal summing matching.
- Insertion Loss: Negligible Distortion (< 0.001%) ensures pure millivolt output with zero signal degradation.
- PCB Trace Purity: Heavy Copper Ground Plane for EMI/RFI Shielding prevents galvanic corrosion between terminal joints.
- Operating Voltage: 5V - 24V DC compatible with all commercial indicators.
10 LINE: Regional Field Performance Across Iraq & High Water Tables
COSQC Legal VerificationHigh saline groundwater often submerges weighbridge pits during winter storms. IP68 sealed stainless boxes prevent corrosive water from shorting out cell signals.
Severe electrical ground potential differentials caused by dry soil conditions. Multi-stage 10kA surge arrestors protect sensitive indicators from lightning discharges.
Heavy aggregate haulers create intense platform vibration. Anti-vibration terminal clamps ensure zero signal interruption on high-throughput scales.
Iraqi COSQC Metrological Sealing Compliance
Features mechanical wire-seal hasps on the enclosure lid. COSQC inspectors can apply official legal lead seals after corner-balancing calibration.
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