Desert Cooler Trainer Manufacturer,Supplier and Exporter in India
Product Code : EL-RAACL-10089
Jlab Export is a leading Desert Cooler Trainer Manufacturer,and suppliers in India
Desert Cooler Trainer (code EL-RAACL-10089) is a lab desert cooler that works on evaporative cooling: a fan on a 1/2 HP motor draws outside air through pads kept wet by a circulating pump, and dry and wet bulb thermometers at inlet and outlet show what happens to the air. Coolers of this kind are used mostly in hot, dry regions. The evaporative cooler trainer is produced by JLab in Ambala, India.
Specifications
| Parameter | Detail |
|---|---|
| Principle | Evaporative cooling |
| Fan | Driven by a 1/2 HP motor; draws atmospheric air through the cooler pads |
| Water circulation | Air cooler pump |
| Thermometers | Dry bulb (DBT) and wet bulb (WBT) at inlet and outlet |
| Air flow measurement | Orifice meter with manometer |
| Water evaporated | From the change in reservoir water level |
| Electric supply | 220 V, 15 A, single-phase stabilised |
| Quality check | Each trainer is visually inspected before dispatch |
| Pack quantity | Each (sold individually) |
| Minimum order quantity | 1 unit |
| Dispatch time | Usually 14–18 working days |
| Product code | EL-RAACL-10089 |
| Manufacturer | Jain Laboratory Instruments Pvt Ltd (JLab) — OEM |
| Country of origin | India (made in Ambala, Haryana) |
Why Dry Air Gives the Most Cooling
As air passes through the wet pads, water evaporates into it and the latent heat of evaporation comes from the air itself, so its dry bulb temperature falls while its moisture content rises. The wet bulb temperature stays nearly constant through the pads, so the outlet air can only approach the inlet wet bulb temperature. In dry air the gap between DBT and WBT is wide and the temperature drop is large; in humid air the gap closes and the cooler achieves little.
Readings and Results
From the DBT and WBT at inlet and outlet, students read the relative humidity of the air from a psychrometric chart. The orifice meter and manometer give the air flow rate, and the fall in the reservoir water level over a run gives the amount of water evaporated, which can be checked against the rise in moisture content multiplied by the mass of air handled. The saturation efficiency, (inlet DBT − outlet DBT) ÷ (inlet DBT − inlet WBT), shows how close the pads bring the air to saturation. A technical manual accompanies the unit.
Psychrometer, Anemometer and a Compression-Cycle Trainer
- Psychrometer — recessed-bulb psychrometer with a wick reservoir and plastic chart.
- Handheld Anemometer Digital — hand-held reading of air velocity at a vent.
- Water Cooler Trainer — cools water by a vapour-compression cycle rather than evaporation.
The trainer belongs to Refrigeration and Air Conditioning Lab in Engineering Lab Equipment.
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Last updated: 30 October 2026
