Parameter

Specification

Model

SWDIB

Manufacturer

SWARAJYA Instruments

Type

Programmable Decade Inductance Box

Inductance Range

10 uH to 10 H

Resolution / Step Size

10uH

Decade Ranges

10uH, 100uH, 1mH, 10mH, 100mH, 1H

Number of Decades

7 decades

Total Range

10 uH to 10 H

Setting Method

Manual (Keypad) / Programmable (RS232 / USB Interface)

Display

2.8 inch TFT LCD – shows selected inductance, mode, and status

Manual Operation

4x4 Keypad for direct numeric input

Programmable Interface

RS232 and USB communication

Output Configuration

2-Terminal (4mm Safety BTI Terminals) Inductance Output

Residual Inductance

$<$ 2 $\mu$H (typical)

Inductor Type

Custom Wound, High Permeability Ferrite Cores (for high 'Q')

Accuracy

1.0%  @ 1 kHz (typical) ,150PPM

Temperature Coefficient

150 ppm/°C (typical)

Maximum Current Rating

200 mA (derated for higher inductance values)

Maximum Voltage

Max safe operating voltage depends on frequency; generally low AC/DC.

Operating Temperature

0°C to +50°C

Storage Temperature

-20°C to +70°C

Relative Humidity

Up to 85% RH non-condensing

Insulation Resistance

10 M Ohm between circuits and case

Settling Time

<200 ms after range change

Power Supply

230 V AC ,50 Hz

Dimensions (WXDXH)

350 x400x 85 mm

Weight

8 kg

Enclosure Type

Metal (Al) body with anti-static powder coating (Fully Screened)

Front Panel

2-Terminal Inductance output, TFT display, keypad, RS232 & USB ports

Protection

Overvoltage and ESD protection on communication and terminal lines

Calibration

NABL (or ISO/IEC 17025: 2017) Calibrated Certificate