Flow measurement
TSI 4140D Thermal Mass Flow Meter Kit
Manufacturer: TSI Incorporated · Model / MPN: 4140D · Serial: 41401415012 · BenchSpec reference: BS-TSI-001
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0.01–20 Std L/min flow meter kit
General-purpose thermal mass flow meter for air, oxygen and nitrogen, supplied with a compatible power supply, original documentation and matching historical calibration certificate.
- Range
- 0.01–20 Std L/min
- Gases
- Air · O2 · N2
- Connections
- 1/4 in tube
Open-box, very clean laboratory surplus. Powered and functionally tested for basic clean-air flow response.
A$750
Last asking price · AUD
Questions about this item? sales@benchspec.com.au
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Catalogue reviewed .
Technical specifications
| Manufacturer | TSI Incorporated |
|---|---|
| Model / MPN | 4140D / 4100 Series |
| Equipment type | General-purpose thermal mass flow meter |
| Flow range | 0.01–20 Std L/min |
| Calibrated gases | Air, oxygen and nitrogen |
| Connections | 1/4-inch tube |
| Serial number | 41401415012 |
| Historical calibration | TSI factory certificate dated 8 April 2014 |
| Packed size | Approximately 400 × 260 × 100 mm |
| Packed weight | Approximately 1.2 kg |
| BenchSpec reference | BS-TSI-001 · Audit 13021 |
Condition & verification
Open-box, very clean laboratory surplus. The instrument, display, housing, original fitted packaging and documentation present well. Model, serial number, included components and physical condition have been verified.
Powered and functionally tested using a compatible 7.5 V DC centre-positive supply. The instrument indicated approximately 0.009 Std L/min with no intentional flow and responded to low-pressure clean-air flow below 5 psi, indicating approximately 2.67 Std L/min during the audit test.
This was a functional response test. The matching TSI factory calibration certificate is dated 8 April 2014.
Included with this item
- TSI 4140D thermal mass flow meter, serial 41401415012
- Original fitted / supplied inlet filter component
- Original fitted foam packaging and box
- TSI 4140 / 4143 operation and service manual
- TSI 4000 / 4100 Series RS-232 serial command-set manual
- Interface / serial cables and mounting bracket
- Compatible 7.5 V DC, 1 A centre-positive power supply (non-original)
- Matching TSI factory calibration certificate dated 8 April 2014