Pocket pH Meter Pen ORP meter NPT-PH101 laboratory pH meter

Features:
★  Measuring range:pH 0.00～14.00 ,ORP -999mV～999mV,temperature：0～60℃ 
★  LED segment code LCD display (pH/ORP value and temperature value)
★  Numerical calibration and temperature calibration function
★  Using 32-bit high-performance processor, high stability and low power consumption.
★  2 sets of calibration fluids: ①6.86 and 4.00 ②6.86 and 9.18, can be switched at will.
★  Automatically identify the standard solution, the standard solution does not match and the calibration cannot be completed
★  The pH/ORP mode can be switched freely, and the pH/ORP electrode head is easy to replace
★  Automatic shutdown after five minutes without key operation
★  Low battery reminder function
★  Long standby technology, theoretical standby time is more than one year
★  Protection level: IP65

Pocket pH Meter Pen ORP meter NPT-PH101 laboratory pH meter
Technical Parameters:
★  Resolution：0.01pH/1mV, 0.1℃
★  Accuracy：±0.02pH， ±2mV， ±0.3℃
★  Automatic temperature compensation：0～60℃ NTC 10K 
★  Working conditions: ambient temperature is 0～60℃, relative humidity ≤90%
★  Working voltage: NPT-PH101 button batteries 4x1.5V;
★  NPT-PH106 rechargeable lithium battery 3.7V 
★  Size: Overall: 204mm×46mm, large screen(NPT-PH106): 25mm×32mm, small screen(NPT-PH101) :20mm×28mm
★  Weight: NPT-PH101:111g; NPT-PH106: 128g