pH meters เครื่องวัดกรดด่าง เครื่องวัดอุณหภูมิ Waterproof

ST-6020 Waterproof Digital pH Meter Tester Thermometer ° C/° F

  Features:Highly accurate pH meter with dual temperature display (° C / °F).  
  Dual pH / Temperature Display (° C and ° F) with Large LCD screen   
  Replaceable pH Electrode  
  Built with Automatic Temperature Compensation (ATC)   
  Easy to use with high accuracy   
  Compact and portable pen-type design with Waterproof Technology   
  After 20 minutes automatically
  Batteries and Calibration Solution (pH 4.00, pH 7.00 & pH10.00) included
 
Specifications:
  pH Measuring Range :                            0.00 - 14.00 pH   
  Auto Temp. Compensation Range (ATC): 0~50 ° C / 32- 122 ° F   
  Resolution (pH / Temperature):              0.01 pH / 0.1 (° C / °F)   
  Accuracy (pH / Temperature):                 ±0.02 pH / ±1 (° C / °F)   
  Operating Temperature:                        0 - 50 ° C (32 - 122 ° F)
 
Characteristics: 
  Batteries: 4 x 1.5 V (AG-13) Button  cell Batteries (included)   
  Dimensions: approx. 185 x 38 x 38 mm   
  Weight: approx. 120g

http://www.eastern-energy.net/product-th-507562-2470486-pH+meters+เครื่องวัดกรดด่าง+เครื่องวัดอุณหภูมิ+Waterproof+รุ่น+ST+6020.html