AN404 Portable Load Cell Tester
The ANYLOAD AN404 Portable Load Cell Tester is engineered for field-based diagnostics and on-site maintenance of load cells and weighing systems. Built with an IP67-rated durable enclosure, the AN404-P withstands wet and harsh industrial environments while delivering high-accuracy measurements across bridge resistance (0-4000Ω with ±0.5Ω to ±1Ω accuracy depending on range), insulation resistance (500-10000 MΩ), and sensitivity measurements (±4.8 mV/V range). The modular design enables quick setup and teardown for maintenance workflows, while per-channel calibration and automatic setting retention after power loss ensure repeatable testing across multiple channels.
The instrument provides comprehensive load cell diagnostics in a compact 12.6 lb / 5.7 kg form factor (440mm × 420mm × 325mm), measuring bridge resistance, insulation, input and output resistances, and zero balance at a glance. Powered by universal AC input (100-240 VAC, 50-60 Hz), it features a high-resolution display with four to five selectable decimal places and synchronous digital ratio technology for stable, consistent readings. The RS-232 interface with Modbus Protocol support enables integration with automated test systems and remote monitoring setups.
Available in four connector variants—AN404-P-25A (Type-B), AN404-P-25A-C (Type-F), AN404-P-25A-CC (Type-I), and AN404-P-25A-G (Type-G)—the AN404-P accommodates diverse load cell and transducer connector standards across industrial, agricultural, logistics, and OEM service environments. It is ideal for load cell verification, signal conditioner troubleshooting, strain gauge testing, and pre-deployment quality checks in field or workshop settings.
Features
- IP67-rated durable enclosure designed to withstand wet and harsh industrial environments
- Modular design for easy on-site load cell testing and maintenance
- Measures bridge resistance, insulation, input and output resistances, and zero balance at a glance
- High accuracy of ± 0.5 Ω below 2000 Ω and ± 1 Ω above 2000 Ω, with a total resistance measurement range of 0 to 4000 Ω
- Synchronous digital ratio tech ensures stable readings
- Per-channel calibration and automatic retention of settings after power loss
- Equipped with RS-232
Specifications
| Power Supply | 100 VAC to 240 VAC, 50~60 Hz |
|---|---|
| Resistance Measurement Range | 4000 Ω |
| Resistance Measurement Accuracy | R ≤ 2000 Ω: ± 0.5 Ω / R > 2000 Ω: ± 1 Ω |
| Sensitivity Measurement Range | ± 4.8 mV/V |
| Sensitivity Measurement Resolution | 0.00001 mV/V |
| Sensitivity Measurement Accuracy | 0.01% FS |
| Insulation Resistance Measurement Range | 500 ~ 10,000 MΩ |
| Insulation Resistance Measurement Accuracy | ± 5% |
| Sensitivity Decimal Places | 4~5 Place (Can be set) |
| Communication Interface | RS-232 |
| Communication Protocol | Modbus Protocol |
| Weight Approx. | 12.6 lb / 5.7 kg |
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