Peenya Industrial Area 1st Stage, Bengaluru 560058 Build a list 9108803706 sales@swiftheat.co.in

Quality and testing

What is tested, and what you receive

In this category a certificate on the wall proves less than a test record against your order number. Sensor calibration is published below. Certificates are issued on request.

Ask for a sample certificate
Quality assurance covering inspection, records, calibration and process control

The electrical tests

Four named tests, each with what it catches.

  • Resistance

    Catches the wrong wattage, a wrong turn count and a bad joint. It is also the number you measure against later, on the plant, to tell a failing element from a dead one.

  • High voltage

    Catches insulation that would hold at working voltage and break down in service. The test that stops an element becoming a shock hazard on a machine frame.

  • Insulation resistance

    Catches moisture in the magnesium oxide and contamination in the sheath. A low reading is often recoverable by baking out rather than scrapping.

  • Dimensional inspection

    Catches a diameter or a length that will not fit the bore it was made for. On a cartridge heater this is the measurement that decides how long it lasts.

Why insulation resistance is worth publishing. A cartridge heater that has sat in a damp store reads low on insulation resistance and can often be recovered by baking it out at low temperature rather than being scrapped. A manufacturer that measures it can tell you that. One that does not will simply replace the element.

Sensor calibration

Every temperature sensor is calibrated, not a sample from the batch, and the certificate is issued against your order when you ask for it.

Coverage
100 percent of sensors, not a sample
Thermocouple accuracy
Class 1
RTD accuracy
Class A
Certificate
Issued on request, per customer requirement

Ask for the certificate at the enquiry stage rather than after delivery. It is issued per requirement, which means it has to be a requirement.

What arrives with the delivery

The paperwork matters as much as the part on a plant that has to prove what it fitted.

  • The coded specification, matching the enquiry
  • Measured resistance for each element
  • High voltage test result
  • Dimensional check against the drawing
  • Calibration certificate for sensors, when requested

If you need a redacted sample certificate before ordering, ask and we will send one.

Certifications

Nothing appears in this section without the certificate behind it. That is deliberate: an unlabelled scan of a certificate is one of the commonest things on Indian heater sites and it proves nothing.

ISO 9001
ISO 9001:2015 Certified Company
ISO certificate
BN24227/23203, BSCIC Certifications Pvt Ltd.
Issued 13 Nov 2025, valid to 12 Nov 2028
ISO scope
Manufacture and supply of industrial heating elements and thermo sensors
Udyam or MSME registration
UDYAM-KR-03-0254545
GST
29ABGCS6671R1Z8
CIN
U29100KA2021PTC150780

How elements are checked in service

Two measurements catch almost every heater fault on a plant, and both can be taken with a multimeter and an insulation tester.

Resistance. Compare against the value on the test record. A reading that has climbed means the element is failing. An open circuit means it has already gone.

Insulation resistance. A low reading against earth usually means moisture or contamination, not a dead element. Bake it out before scrapping it.

Ask us what a reading means before ordering a replacement. It is often cheaper for both sides.