FOR SALE – 1 pc. High Precision Resistance Standard / Decade Box — Р4057
High-quality precision resistance decade standard designed for calibration laboratories, metrology services, and precision electrical measurements.
The Р4007 resistance box is used as a multi-valued reference resistance in DC circuits and AC, for calibration, instrument verification, bridge measurements, and high-accuracy testing.
⚙️ PRODUCT SPECIFICATIONS
Model: Р4057
Type: Precision resistance standard / resistance box
Application: Laboratory calibration, metrology, electronics testing
Resistance Range:
0 10 20 30 40 50 60 70 80 90 100 MOhm
Accuracy Class: 0.02 (±0.02 %)
Operating Voltage: 600V
Operating Conditions:
• Ambient temperature: +10 °C to +25 °C
• Relative humidity: 30 % – 80 %
• Atmospheric pressure: 84 – 106 kPa
📐 DIMENSIONS & WEIGHT
Dimensions (≈): 280 × 130 × 280 mm
Weight: ≈ 5.2 kg
🧱 CONSTRUCTION
• Precision wire resistive elements selected for stability
• Mechanical decade switches with fixed calibrated positions
• Low contact resistance design
• Metal enclosure suitable for laboratory and metrology environments
🚚 SHIPPING & HANDLING
Ships within 1–2 business days
Carefully packed to prevent damage
Worldwide shipping with tracking
Typical delivery time: 12–21 days (depends on destination)
🔁 RETURNS
Returns accepted only if the item is not as described.
Please contact the seller before returning.