Posts by Haider Kantawala
Government approved test centre: can it verify your shop scale?
A government approved test centre can verify Class III shop scales up to 150 kg. See the 51 entries notified in October 2026 and how to check one.
Weighbridge weight difference: comparing the error limits of two weighbridges
Weighbridge weight difference explained through the error limit each stamped weighbridge must meet, with a worked 25 t example and checks for both slips.
Weighbridge verification: how much standard weight is needed after July 2026
Weighbridge verification in India can use standard weights of one-fifth of capacity when repeatability error is within 0.2e. See the tonnes for your bridge.
Scale model approval in India: what it means and how to check it
Scale model approval is the legal approval of a weighing scale's design in India. Learn to read the IND mark and how it differs from stamping.
Groundnut MSP 2026-27 at ₹7,517 a quintal: how to check the weight of your lot
Groundnut MSP for 2026-27 is ₹7,517 a quintal, or ₹75.17 a kg. See what a short weight costs and five checks to make on the procurement centre's scale.
LPG cylinder weight: how to check a 14.2 kg or 19 kg cylinder at delivery
LPG cylinder weight check: subtract the tare marked on the cylinder from the scale reading. See the maximum permissible error and what missing gas costs.
Verified gross mass: how to weigh an export container
A packed container covered by SOLAS VI/2 needs a verified gross mass before loading. See Method 1, Method 2, a worked example and the scales for each.
Moisture meter readings that differ on the same paddy, and which one counts
Moisture meter readings can clash on the same paddy. See the legal limit for a grain meter, a drying-weight example, and how to find which reading counts.
Soybean moisture at the MSP centre: how much water dries off a wet quintal
Soybean moisture above 12% is weight that dries off. Worked examples for drying a wet quintal to 12%, priced at the 2026-27 MSP of ₹5,708, and how to weigh.
Price computing scale: what 1 g and 5 g steps cost when onions sell at ₹65 a kg
Price computing scale maths for onion sellers: what each 1 g and 5 g step costs at ₹35 to ₹65 a kg, and five checks to run on your shop scale.