Table 1 List of sensors and instruments used during the experiment.

From: Mathematical modelling of golden apple drying and performance evaluation of solar drying systems using energy and exergy approach

Instrument/Sensor

Model

Accuracy

Operational range

Quantity

Humidity sensor

HIH-40000-004

± 3.5%

0 -100% RH

6

Pressure sensor

SDP816-500 Pa

± 5 millibar

–50–500 Pa

2

RTD

PT-100

± 0.1 °C at 0 °C

-75ºC- 250ºC

8

Temperature recorder

BTM-4208SD

± 0.5 °C

-200 °C -+400 °C

1 with 12 channels

Digital anemometer

MS6252A

± 0.01 m/s

0.40–30.00 m/s

1

Vernier Caliper

 

-

-

1

Digital weighing machine

Lutron GM-500

0.1% + 2 digit

0–500 gram

1

Pyranometer

Kipp and Zonen MM11

± 0.1 W/m

1–4000 W/m²

1