| Specification | Eutech 1710 pH/mV Meter | Eutech 1720 pH/mV Meter | Eutech 1730 pH/mV Meter | 
	
    
      | pH | Range | –2.00 to 18.00 pH |  |  | 
	
    
      | Resolution | 0.1, 0.01 pH |  |  | 
	
    
      | Relative accuracy | ±0.01 pH ±1 LSD |  |  | 
	
    
      | Calibration points | 1 to 5 points |  |  | 
	
    
      | Automatic buffer sets | USA (pH 1.68, 4.01, 7.00, 10.01, 12.45), NIST (pH 1.68, 4.01, 6.86, 9.18 ,12.45)
 |  |  | 
	
    
	
      | mV/RmV | Range | ±2000.0 mV |  |  | 
	
    
      | Resolution | 0.1 mV |  |  | 
	
    
      | Relative accuracy | ±0.2 mV or ±0.05% of reading,  whichever is greater |  |  | 
	
    
      | Calibration points | 1 point |  |  | 
	
      | Conductivity | Range |  | 0.00 µS to 500.0 mS |  | 
	
    
      | Resolution |  | 0.01, 0.1, 1 µS; 0.01, 0.1 mS |  | 
	
    
      | Relative accuracy |  | ±0.5% reading ±1 LSD |  | 
	
    
      | Calibration points |  | 1 to 5 points |  | 
	
    
      | Temperature compensation |  | Linear (0 to 10 %/°C) or off |  | 
	
    
      | Normalization temperature |  | 15.0, 20.0, 25.0 or 30.0°C |  | 
	
      | TDS | Range |  | 0.00 ppm to 500.0 ppt (TDS factor of 1.00) |  | 
	
    
      | Resolution |  | 0.01, 0.1, 1 ppm; 0.01, 0.1 ppt |  | 
	
    
      | Relative accuracy |  | ±0.5% reading ±1 LSD |  | 
	
    
      | Calibration points |  | 1 to 5 points |  | 
	
    
      | TDS factor |  | 0.40 to 1.00 |  | 
	
	
      | Salinity | Range |  | 0.00 to 80.0 ppt |  | 
	
    
      | Resolution |  | 0.01, 0.1 ppt |  | 
	
    
      | Relative accuracy |  | ±0.5% reading ±1 LSD |  | 
	
    
      | Calibration points |  | 1 point |  | 
	
	
      | Dissolved oxygen
 | Range |  |  | 0.0 to 300.0% saturation;  0.00 to 30.0 mg/L or ppm | 
	
    
      | Resolution |  |  | 0.1, 1% saturation;  0.01, 0.1 mg/L or ppm | 
	
    
      | Relative accuracy |  |  | ±2% saturation;  ±0.2 mg/L or ppm | 
	
    
      | Calibration types |  |  | 100% and 0% saturation;  custom concentration value | 
	
    
      | Barometric pressure compensation |  |  | 400.0 to 850.0 mmHg;  0.53 to 1.13 bar | 
	
    
      | Salinity compensation |  |  | 0.0 to 50.0 ppt | 
	
	
	
      | Temperature | Range | –5.0 to 105.0°C | 
	
    
      | Resolution | 0.1°C | 
	
    
      | Relative accuracy | ±0.3°C | 
	
    
      | Input | Manual or automatic with ATC probe | 
	
    
      | Calibration points | 1 point, ±5.0°C | 
	
	
	
      | Meter features | Display | 5 in. segmented LCD with backlight | 
	
    
      | Date and time | Yes | 
	
    
      | Read types | Continuous, auto-read, timed | 
	
    
      | Data log points | Up to 500 | 
	
    
      | Calibration log | pH, RmV and temperature | Conductivity, TDS, salinity and temperature | Dissolved oxygen and temperature | 
	
    
      | Data output | Computer or printer | 
		
    
      | Calibration due alarm | 1 to 168 hours or off | 
		
    
      | Alarms | Visual and on/off audible | 
		
    
      | Memory | Non-volatile | 
		
    
      | 치수(길이 x 폭 x 높이) | 198.3 x 155.2 x 61.7 mm | 187.2 x 155.2 x 61.7 mm | 198.3 x 155.2 x 61.7 mm |