Ulunion
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| Brand | Ulunion |
|---|---|
| Model | UC-3281 |
| Pump Type | Isocratic Single-Channel High-Pressure Solvent Delivery Pump |
| Flow Rate Range | 0.001–9.999 mL/min (10 mL pump head) / 0.01–49.99 mL/min (50 mL pump head) |
| Flow Accuracy | <0.5% |
| Flow Precision (RSD) | ≤0.2% |
| Pressure Pulsation | <0.1 MPa (deionized water, 1 mL/min @ 10 MPa |
| Maximum Operating Pressure | 40 MPa (10 mL head) / 25 MPa (50 mL head) |
| Pump Mechanism | Dual-Piston Serial Reciprocating Pump |
| Control Interface | RS-232/RS-485 (PC remote control supported) |
| Pressure Limit Protection | User-configurable upper pressure threshold |
| Display | 2×8-character LCD (English only) |
| Power Supply | 24 V DC, 3 A |
| Dimensions (L×H×D) | 130×210×110 mm |
| Weight | 2.8 kg |
| Brand | Ulunion |
|---|---|
| Model | UC-3283 |
| Origin | Beijing, China |
| Pump Type | Dual-Piston Serial Reciprocating Pump |
| Flow Rate Range | 0.001–9.999 mL/min (10 mL pump head) / 0.01–49.99 mL/min (50 mL pump head) |
| Flow Accuracy | <0.5% RSD |
| Flow Precision | ≤0.1% RSD |
| Pressure Pulsation | <0.1 MPa (deionized water, 1 mL/min @ 10 MPa |
| Maximum Pressure | 0–40 MPa (standard), 0–25 MPa (low-pressure configuration) |
| Control Interface | RS-232 for PC-based remote control and bidirectional communication |
| System Protection | User-configurable pressure limit cutoff |
| Display | 2×16-character LCD with English interface |
| GLP Functionality | Cumulative solvent consumption logging |
| Dimensions (L×H×D) | 306 × 210 × 420 mm |
| Weight | 10 kg |