| Product name | Industrial pH meter | 
        
            | Model | HP-960FTP | 
        
            | Measuring range | pH 0 to 14: resolution of 0.01 pH Temperature 0 to 100: resolution of 1 °C (selectable)
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            | Transmission output | 4 mA to 20 mA DC, input / output isolated type Maximum load resistance 900 Ω
 Transmission output range: freely selectable within the measurement range
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            | Repeatability | Within ±0.05 pH of the full scale (by equivalent input) | 
        
            | Linearity | Within ±0.05 pH of the full scale (by equivalent input) | 
        
            | Contact output | Output: 4 points Alarm contact output (R1, R2, R3, and R4)
 Contact type: relay contact, SPDT (1c)
 Contact capacity: 240 VAC, 3 A and 30 VDC, 3 A (resistance load)
 Contact function: selectable from upper / lower limit operation (ON / OFF control), alarm, and maintenance.
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            | Contact input | Number of contacts: 1 (external input for holding) | 
        
            | Control action | 
                ON / OFF controlTime sharing proportional control |