10 50 100 1000MOhm 1GOhm Decade Resistance Standard Box Resistor P40104 0.05% For Sale

FOR SALE – 1 pc. High Precision Resistance Standard / Decade Box — Р40104

High-quality precision high-resistance decade standard designed for calibration laboratories, metrology, and precision DC electrical measurements.

The Р40104 resistance box is used as a multi-valued reference resistance in DC circuits for calibration, instrument verification, and precision testing.

⚙️ PRODUCT SPECIFICATIONS

Model: Р40104
Type: Precision resistance decade standard / resistance box
Application: Laboratory calibration, metrology, electronics testing

Number of Decades: 2
Nominal Resistance Values (per decade):

• ×10⁷ Ω (10 MΩ)

• ×10⁸ Ω (100 MΩ)

Total Resistance Range: 0 Ω up to maximum of both decades combined (nominal max 1100 MΩ when both decades selected)
Accuracy Class: 0.05 (±0.05 %)

Rated Voltage (minimal for any decade engaged): ≥ 3 kV
Operating Conditions:
• Ambient temperature: +19 °C to +21 °C
• Relative humidity: 30 % – 80 %
• Atmospheric pressure: 84–106 kPa

Connection: Precision screw terminals
Measurement Mode: DC resistance via substitution/comparison

🧮 DECADE & STEP STRUCTURE (DETAILED)

The Р40104 hastwo independent decades, each providing 11 switch positions (0–10). Each position adds precision resistive elements to the circuit, allowing fine-stepped resistance settings.

1st Decade (×10⁷ Ω)

This decade provides resistance in 10 MΩ steps:

PositionNominal Resistance (Ω)
00 Ω
110 MΩ220 MΩ330 MΩ440 MΩ
550 MΩ660 MΩ770 MΩ
880 MΩ
990 MΩ10100 MΩ

This decade is ideal for mid-range high-resistance calibration and testing.

2nd Decade (×10⁸ Ω)

This decade provides resistance in 100 MΩ steps:

PositionNominal Resistance (Ω)
00 Ω
1100 MΩ
2200 MΩ
3300 MΩ
4400 MΩ
5500 MΩ
6600 MΩ
7700 MΩ
8800 MΩ
9900 MΩ
101 000 MΩ (1 GΩ)

This decade expands the range up to 1 GΩ, allowing calibration of very high-impedance instruments and insulation testers.

TOTAL you can get 1.1 GΩ

📐 DIMENSIONS & WEIGHT

Dimensions: approx. 240 × 200 × 150 mm
Weight: approx. 4 kg

🧱 CONSTRUCTION

• Resistance elements are precision wire-wound and composite resistors selected for stability.
• Mechanical switches provide repeatable, reliable decade selection.
• Enclosure is robust for laboratory / metrology environment.

🚚 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.

Handling time is 5 days, but usually i ship much faster 1-2 days, as i have all items in stock. Despite the war in Ukraine post works well and all items are delivered quite fast. I am responsible for safe delivery of purchased items, so please buy with confidence.