Duct velocity and volume flow measurement for HVAC balancing and commissioning.
In stock- Dispatched in 2 working days
- Delivered nationwide · 7-day returns on unused stock
- 24-month warranty, serviced locally
- Traceable calibration certificate supplied
- 100% genuineSourced through authorised channels
- Certificate includedTraceable to national standards
- Nationwide deliveryAll 64 districts
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Duct velocity and volume flow measurement for HVAC balancing and commissioning.
Supplied by SIRC with a traceable calibration certificate, a 24-month warranty and local service. Every instrument is function-checked and certified in our own laboratory before it is dispatched, so it arrives ready to present at audit rather than needing a certificate chased afterwards.
Need it configured a particular way, or as part of a larger package? Send us the specification and we will quote against it — including recalibration on a schedule that matches your maintenance windows.
- Traceable calibration certificate supplied with every unit
- 24-month warranty, serviced locally in Bangladesh
- Dispatch in 2 working days
- Operator training and on-site commissioning available
Supplied and supported
Calibrated before
it reaches you
Certified in our own laboratory, with traceability back to national standards.
Calibration certificate included
Every instrument leaves our laboratory with as-found and as-left values, the stated measurement uncertainty and an unbroken traceability chain back to national standards.
On-site commissioning
Our engineers will install and verify the instrument on your plant, and confirm it reads correctly against a reference under your own operating conditions.
Operator training
Half-day and full-day sessions covering safe operation, correct measurement technique and how to read the results the instrument gives you.
Recalibration reminders
We track the due date and contact you before the certificate lapses, so equipment is never found out of calibration during an audit.
| Brand | Testo |
|---|---|
| Model number | 425 |
| Item code | P20 |
| Category | Temperature |
| Sub-category | Airflow |
| Warranty | 24 months |
| Calibration certificate | Traceable certificate supplied |
| Recommended recalibration | Every 12 months |
| Lead time | 2 working days |
| Service and spares | Supported locally in Bangladesh |
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- Dispatched within 2 working days of a confirmed order.
- Delivered nationwide. Dhaka and Chattogram metro typically next day after dispatch; other districts 2–4 days.
- Inspect on delivery. Report transit damage within 48 hours and we will replace the unit.
- Returns accepted within 7 days on unused stock in original packaging. Made-to-order and configured instruments are non-returnable.
- Calibration certificates are reissued free of charge if lost within the certificate's validity period.
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