Chuding
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| Brand | Chuding |
|---|---|
| Origin | Shanghai, China |
| Model | BQ50S/BQ80S |
| Flow Range (BQ50S) | 0.005–20 mL/min |
| Flow Range (BQ80S) | 0.005–32 mL/min |
| Speed Range (BQ50S) | 0.1–50 rpm |
| Speed Range (BQ80S) | 0.1–80 rpm |
| Speed Resolution | 0.1 rpm |
| Flow Accuracy | < ±0.5% |
| Power Supply | AC 220 V ±10%, 50/60 Hz (standard) |
| Power Consumption | < 9 W |
| Communication Interface | RS485 with MODBUS RTU protocol |
| Enclosure Rating | IP31 |
| Operating Temperature | 0–40 °C |
| Relative Humidity | < 80% |
| Dimensions (L×W×H) | 112 × 96 × 96 mm |
| Weight | 0.7–0.72 kg |
| Pump Tube | Pharmed® BPT (wall thickness 0.8–1.0 mm, ID 1.0–3.17 mm) |
| Tube Lifetime (BQ50S) | 12,000 h |
| (BQ80S) | 7,500 h |
| Control Inputs | Opto-isolated TTL/CMOS-compatible digital inputs (5 V / 12 V / 24 V selectable) |
| Display | 4-digit LED tachometer |
| Housing | Flame-retardant plastic with conformal-coated PCB |
| Brand | Chuding |
|---|---|
| Origin | Shanghai, China |
| Model | BT101S |
| Flow Range | 0.00011–575 mL/min |
| Speed Range | 0.1–150 rpm |
| Speed Resolution | 0.1 rpm (0.1–100 rpm), 1 rpm (100–150 rpm) |
| Flow Accuracy | <0.5% |
| Power Supply | AC 220 V ±10%, 50/60 Hz (standard) |
| Power Consumption | <30 W |
| Communication Interface | RS485 with MODBUS RTU protocol |
| Environmental Rating | IP31 |
| Operating Temperature | 0–40 °C |
| Relative Humidity | <80% RH |
| Dimensions (L×W×H) | 260 × 181 × 198 mm |
| Weight | 4.5 kg |
| External Control | TTL/CMOS-compatible digital inputs (5 V/12 V standard, 24 V optional), analog speed control (0–5 V standard, 0–10 V / 4–20 mA optional), footswitch & timer-triggered dispensing support |
| Brand | Chuding |
|---|---|
| Origin | Shanghai, China |
| Model | HL-1 |
| Dimensions (W×D×H) | 120×120×180 mm |
| Flow Rate | 1–600 mL/h |
| Maximum Back Pressure | ≥3 kg/cm² |
| Drive Type | Mechanical stepless speed control (non-electronic variable speed) |
| Channel Configuration | Single-channel |
| Pump Head Material | Standard elastomeric tubing housing (HL-1) |
| Power Supply | AC 220 V, 50 Hz |
| Weight | Approx. 2.8 kg |
| Brand | ChuDing |
|---|---|
| Origin | Shanghai, China |
| Model | UV1900 |
| Wavelength Range | 190–1100 nm |
| Wavelength Accuracy | ±0.3 nm |
| Wavelength Repeatability | 0.2 nm |
| Spectral Bandwidth | 2 nm |
| Stray Light | ≤0.05% T (at 220 nm, NaI solution) |
| Photometric Range | –3 to +3 A |
| Photometric Accuracy | ±0.3% T (0–100% T) |
| Photometric Repeatability | 0.001 Abs (0–0.5 Abs) |
| Baseline Flatness | ≤±0.0005 A |
| Noise | ≤0.0003 Abs/h |
| Drift | ≤±0.0004 Abs/h |
| Display | 5.1-inch 320×240 dot-matrix LCD |
| Power Supply | AC 220 V/50 Hz or AC 110 V/60 Hz |
| Brand | Chuding |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | WT600F |
| Price | USD 1,080 (FOB Shanghai) |
| Display | 4.3" TFT color touchscreen |
| Operating Modes | Flow Rate, Volume Dispensing, Time-Based Dispensing, Copy Dispensing |
| Pre-stored Programs | 5 sets per mode |
| Motor | Brushless servo motor |
| Speed Range | 0.1–600 rpm |
| Speed Resolution | 0.1 rpm |
| Flow Range | 0.06–6000 mL/min (dependent on pump head & tubing) |
| Flow Accuracy | ±0.5% |
| Communication | RS485, MODBUS RTU protocol |
| Input Isolation | Optocoupled digital I/O, analog voltage (0–5 V standard |
| Power Supply | AC 180–264 V, 50/60 Hz (standard) |
| Power Consumption | <200 W |
| Enclosure | 304 stainless steel |
| IP Rating | IP31 |
| Dimensions (L×W×H) | 286 × 180 × 230 mm |
| Weight | 6.2 kg |
| Ambient Operating Conditions | 0–40 °C, <80% RH (non-condensing) |
| Cooling | Intelligent thermostatically controlled fan |
| PCB Protection | Conformal coating (IPC-CC-830B Class 1) |
| EMI Immunity | Enhanced noise suppression, wide-input voltage tolerance |
| Optional Accessories | Foot switch, multi-channel pump heads (YZ15, YZ25, KZ25), chemically resistant tubing (Pharmed BPT, Norprene, Viton) |