à¤Ã×èͧÇÑ´¤èҡô´èÒ§ ẺµÑé§âµêÐ Lab Bench pH/mV Meter ªèǧ¡ÒÃÇÑ´ -1.00~15.00pH ÃØè¹ AMT20 Brand TLEAD à¤Ã×èͧÇÑ´¤èҡô´èÒ§ ẺµÑé§âµêÐ ÃØè¹ AMT20 Lab Bench pH/mV Meter AMT20 Features: Large backlit LCD display shows mode indicators and help messages. Up to 3 points push-button calibration with auto-buffer recognition. Selectable pH buffer standards and temperature units. Automatically calculates and displays electrode slope after calibration. Automatic Temperature Compensation (ATC) ensures highly accurate measurements over the entire pH range. Automatic endpoint function freezes the stable measured values for easy reading and recording data. Manual temperature calibration provides accurate temperature value. Help message as a operational guide to helps you understand how to use meter. Setup menu lets user customizes buffer standards, calibration points, temperature units, automatic or manual hold function, auto-off feature to meet personal preferences. Reset function can resumes all settings to factory default values. Specifications: 　 　 　 pH Range: -1.00~15.00pH pH Accuracy: ±0.01pH mV Range: -1000~1000mV mV Accuracy:±1mV Calibration Points: 1, 2 or 3 points Temperature Range: 0~105°C, 32~221°F Temperature Accuracy: ±1°C Temperature Calibration: Manual Temperature Compensation: 0~100°C, 32~212°F, Automatic or Manual Auto-Off: Manual or Automatic (180 minutes after last key pressed) Hold Function: Manual or Automatic Reset Function: Yes Connector: BNC LCD Display: Custom Dual-Display LCD (135×75mm) Power Requirements: DC9V, using AC adapters, 220VAC/50Hz Dimensions: 210(L)×205(W)×75(H)mm Weight: 1.2kg AMT20 pH Meter pH/mV Meter TLEAD à¤Ã×èͧÇÑ´¤èҡô´èÒ§ à¤Ã×èͧÇÑ´¤èÒ¾Õàͪ