Economical Resistance Box Dial Type Manufacturer,Supplier and Exporter in India
Product Code : EL-SI-8100
Jlab Export is a leading Economical Resistance Box Dial Type Manufacturer,and suppliers in India
Economical Resistance Box Dial Type (code EL-SI-8100) is a dial-type decade resistance box built with high-stability 1% metal film resistors instead of traditional wire-wound coils, for everyday resistance settings in school, college and polytechnic labs. Its decades are connected in series on two, three or four dials, and it is suitable for both AC and DC use. It is made by Jain Laboratory Instruments Pvt Ltd (JLab) at its works in Ambala, India.
Specifications
| Parameter | Detail |
|---|---|
| Resistance elements | High-stability metal film resistors, 1% (listed once as “carbon metal film”) |
| Construction | Metal film elements in place of traditional wire-wound coils |
| Decades | Connected in series |
| Versions | Two-dial, three-dial and four-dial |
| Use | Suitable for AC or DC |
| Quality check | Each resistance box is visually inspected before dispatch |
| Pack quantity | Each (sold individually) |
| Minimum order quantity | 10 units |
| Dispatch time | Usually 7–10 working days |
| Product code | EL-SI-8100 |
| Manufacturer | Jain Laboratory Instruments Pvt Ltd (JLab) — OEM |
| Country of origin | India (made in Ambala, Haryana) |
How Does It Compare with Other JLab Resistance Boxes?
| Model | Resistance elements | Listed accuracy | Selection |
|---|---|---|---|
| This economical box (EL-SI-8100) | 1% metal film resistors | 1% | Series-connected decade dials; two, three or four dials |
| Resistance Box Constantan & Manganin | Non-inductively wound manganin (Grade A) or constantan (Grade B) coils | ±0.02% to ±0.05% (Grade A); ±0.05% to ±0.1% (Grade B) | Eleven-position decade switches |
| Resistance Substitution Box | 12 radio-type resistors in preferred values, 100 ohms to 470 kilo-ohms | Not stated | Rotary switch |
Choose this box for general practical work where 1% resistors are good enough and several benches need a box each. Choose the manganin or constantan box when the resistance itself is the standard in a bridge or potentiometer measurement, and the substitution box when students only need to step through common component values.
What Is the Economical Resistance Box Used For?
A dial resistance box lets students set a known resistance by turning the decade dials instead of pulling and inserting plugs. This model covers the routine jobs of a physics or electrical lab: verifying Ohm’s law and the laws of series and parallel resistances, providing the known resistance in a meter bridge or Wheatstone bridge, setting the series resistance when a galvanometer is converted into a voltmeter, and supplying R in RC and AC circuit experiments. Metal film resistors have very little inductance, which is why the box works on AC as well as DC. To use it, add the dial readings to get the total resistance, turn each dial firmly into position, and keep the current small, as the power rating is not given in the listing.
What to Specify When Ordering
- Number of dials — two-dial, three-dial or four-dial.
- Resistance per step on each dial — the listing does not state it, so give the range and smallest step your experiments need.
- Quantity — the minimum order is 10 units.
- Companion items — capacitance and inductance boxes or a P.O. box for the same practicals can go in one enquiry.
Frequently Asked Questions
What tolerance do the resistors have?
1%. The box uses high-stability metal film resistors rated at 1%, as listed.
Can it be used with alternating current?
Yes. The listing says it is equally suitable for AC or DC use; film resistors have very low inductance, so the box stays close to a pure resistance on AC.
How many dials does it have?
It is listed in two-dial, three-dial and four-dial versions, with the individual decades connected in series.
What resistance range does each version cover?
The step values and total range are not stated in the listing. Tell JLab the range you need and the number of dials, and ask for the decade values of the version you are quoted.
How does it differ from the manganin and constantan resistance box?
That box uses wound manganin or constantan coils with a listed accuracy between ±0.02% and ±0.1% depending on grade, for precision work; this economical box uses 1% metal film resistors for general experiments.
Who manufactures this resistance box?
Jain Laboratory Instruments Pvt Ltd (JLab) makes it at its works in Ambala, Haryana, India.
OEM Manufacturer
JLab is the trading name of Jain Laboratory Instruments Pvt Ltd, a physics and electrical lab equipment manufacturer in India, incorporated in 2017 and based on Hargolal Road, Ambala, Haryana. The economical resistance box is produced at JLab’s own works, not sourced from a trader, so schools, colleges, dealers and importers buy direct from the maker, every box is visually inspected before it is packed, and repeat orders are handled by the manufacturer. The company is registered under CIN U29309HR2017PTC069123 and holds MSME Udyam registration UDYAM-HR-01-0003849 as a manufacturing enterprise. JLab exports worldwide and ships to buyers in every region — for example El Salvador in Central America and the Caribbean, Italy in Southern Europe, South Africa in Southern Africa, Denmark in Northern Europe and Kenya in East Africa. Tender buyers can see the JLab lab tenders page.
Related Boxes
- Resistance Box Constantan & Manganin — the precision wire-wound decade box in Grade A or Grade B.
- Resistance Substitution Box — a rotary-switch box of preferred resistor values.
- Resistance P.O. Box — a plug-type P.O. box with constantan coils and brass blocks.
- Four Dial Condenser Box — the dial-type box for capacitance.
- Three Dial Inductance Box — the dial-type box for inductance.
More in the Scientific Instrument range and the Indian Instruments section.
Request a Quote
Quotes come direct from the manufacturer. Use the Add To Cart enquiry button on this page, or send the number of dials, the range you need, the quantity (minimum 10 units) and your delivery location through the contact page.
Last updated: 8 October 2026
