Description
Key Technical Specifications
| Parameter | Value |
|---|---|
| Brand | GE |
| Model | PQMII-T20 |
| Series | Multilin PQM II |
| Product Type | Power quality meter |
| Primary Use | Electrical monitoring and analysis |
| Measurement Scope | Voltage, current, power, energy |
| Harmonic Capability | Harmonic analysis and disturbance capture |
| Communications | RS-485; optional protocol options vary by build |
| Mounting | Panel mount |
| Condition | New Surplus, original OEM inventory |
| Lifecycle Status | Obsolete / EOL |
| Procurement Priority | Critical for reliability and uptime |
Product Introduction & Supply Chain Strategy
GE PQMII-T20 is a power quality meter used to monitor electrical systems in industrial and utility environments. It supports voltage, current, power, energy, and disturbance visibility for plant power analysis and troubleshooting.
Buying it as New Surplus is a strong supply-chain move when the installed base is still active but OEM production has moved on. It reduces TCO, helps avoid stock-outs on critical monitoring equipment, and lowers risk versus uncertain refurbished supply.
Installation & Configuration Guide
Stage 1: Pre-Installation
Perform lock-out/tag-out before any removal work. Gather an ESD strap, insulated hand tools, a camera, and a wiring map. Photograph the front panel, terminal wiring, and any configuration settings before touching the unit.
Stage 2: Removal
Confirm the circuit is de-energized and verify the incoming supply with a meter. Remove the meter carefully from the panel without stressing the wiring harness or terminals. Keep all screws, brackets, and connector hardware organized for reuse.
Stage 3: Installation
Match the replacement unit’s terminal layout and communication settings to the original meter. Reinstall it in the panel, tighten hardware evenly, and reconnect each wire to the documented terminal position. Double-check CT and voltage polarity before powering up.
Stage 4: Power-On & Testing
Apply power and confirm the display initializes normally. Check the RUN/healthy indications, verify measured voltage and current values, and confirm communication with the upstream system. Validate alarms, event logging, and any analog or relay outputs before returning the asset to service.
- PQMII-T20
- PQMII-T20
Firmware/Software Versions & Upgrade Notes
The exact firmware version should be matched to the existing site standard before installation. In mixed fleets, a version mismatch can affect communications, scaling, or event handling.
Avoid upgrading or downgrading firmware during a hardware swap unless the maintenance plan explicitly requires it. The safer approach is to preserve the installed configuration and change only what is necessary to restore operation.
Frequently Asked Questions
Q: Is PQMII-T20 really new surplus?
Yes, the correct procurement target is New Surplus original inventory. That gives you OEM-origin hardware without the higher risk profile of repaired stock.
Q: Why is it cheaper than factory new but not as cheap as refurbished?
Because New Surplus comes from excess inventory, not from repair channels. You get lower cost than list pricing, but you still pay for traceability, testing, and better reliability.
Q: Is this part obsolete?
Yes, it should be treated as an EOL or at-risk spare. For plants that still depend on it, keep buffer stock and consider a last-time-buy plan.
Q: Can I hot-swap it?
Do not assume hot-swap capability unless the specific installation manual says so. For most field replacements, a controlled shutdown is the safer path.
Q: Will the settings be retained?
Not automatically. Always back up the configuration, record CT ratios, wiring, and communications parameters, and mirror the original setup during replacement.
Q: What warranty should I expect?
Warranty depends on supplier traceability and lot condition, but New Surplus normally carries a stronger warranty position than repaired supply. The key is documented QC, serial verification, and clear shipment history.
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