Brand: Testo, Dimensions: 133 x46 x25 mm, Battery Type: 2 batteries Type AAA, Weight: 95gm, Protection Class: IP 40, Battery Life: 200 Hrs, Specifications: Measurement rate-0.5 sec, Measuring Range: 0 to 99999 Lux, Working Temperature: 0 to +50°C, Item Code: Testo 540, Storage Temperature: (-40) to +70°C, Resolution: 1 Lux Features: Sensor adapted to spectral sensitivity of the eye. Hold-function and max./min. values. Display illumination. Warranty As per manufacturer's warranty policy. Packaging Unit 1 Note Actual product model might vary from that shown in the picture.

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Brand: Testo, Dimensions: 119 x46 x25 mm, Battery Type: 2 batteries Type AAA, Weight: 90gm, Protection Class: IP 40, Battery Life: 50 Hrs, Specifications: Measurement rate-0.5 Sec, Measuring Range: 0 to 100 hPa, Working Temperature: 0 to +50°C, Storage Temperature: (-40) to +70°C, Item Code: Testo 510, Resolution: 0.01 hpa Features: Selectable Units:hPa, mbar, Pa, mmH2O, inH2O, inHg, mmHg, psi, m/s, fpm. Differential Pressure Measurement from 0 to 100 hPa Measurement of air flow with optional pitot static tube Temperature and air density compensation for accurate measurements Positive pressure : 500 mbar Max. static pressure : 1.5 bar Warranty As per manufacturer's warranty policy. Packaging Unit 1 Note Actual product model might vary from that shown in the picture.

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Brand: Meco, Type: Environment Testing Intsrument, Model No: 920P, Display Type: Digital LCD, No of Didit: 3 Digit LCD, Power Supply: 9V , Operating Temprature: 20?C to 60°C, Accuracy: ± 2.5% for 10% - 90% RH|± 5% for 0-10% RH, 90-100% RH, Warranty: As per manufacturer's warranty policy

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