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