General Purpose Digital Contact Sensor
GT series
Amplifier Unit, DIN Rail Type, NPN GT-72A
*Please note that accessories depicted in the image are for illustrative purposes only and may not be included with the product.
Specifications
Model  | GT-72A  | |||
Type  | Amplifier unit  | |||
Mounting method  | DIN rail mount*1  | |||
Output  | NPN output  | |||
Main unit/expansion unit  | Expansion unit*2  | |||
Power consumption  | Normal  | At 12 V: 1,140 mW (95 mA) or less, At 24 V: 1,200 mW (50 mA) or less  | ||
Power saving (Eco)  | At 12 V: 600 mW (50 mA) or less, At 24 V: 840 mW (35 mA) or less  | |||
Display power  | Measured value display  | 6-digit 7-segment LED (red)  | ||
Other displays  | 2-color 13-level bar LED display (red, green), indicators (red, green)  | |||
Display range  | -99.999 to 999.999  | |||
Display resolution  | 1 µm 0.000039"  | |||
Sampling rate  | 2,000 times/second  | |||
Control input  | Timing/preset/bank input  | Timing input: Non-voltage input (relay contact, solid state), input time: 2 ms or more  | ||
Response time  | hsp (1.5 ms) , 5 ms, 10 ms, 100 ms, 500 ms, 1 s, 5 s  | |||
HIGH, GO, LOW output  | NPN open collector, 50 mA max. (40 V or less), residual voltage: 1 V or less, N.O./N.C. switchable  | |||
Major functions  | Preset, Hold, Variable hysteresis, Variable response time, Multiplier setting, Bank function (4 banks),  | |||
Rating  | Power voltage  | 12 to 24 VDC, Ripple (P-P) 10 % or less*3  | ||
Environmental resistance  | Ambient temperature  | -10 to +55 °C 14 to 131 °F (No freezing)  | ||
Relative humidity  | 35 to 85 % RH (No condensation)  | |||
Vibration resistance  | 10 to 55 Hz, Double amplitude 1.5 mm 0.06", 2 hours in each of the X, Y, and Z directions  | |||
Material  | Main body case: Polycarbonate, Key top: Polyacetal, Front sheet: Polycarbonate, Cable: PVC  | |||
Accessories  | Instruction manual  | |||
Weight  | Approx. 110 g (including the power cable)  | |||
*1 Be sure to mount the DIN rail mounting amplifier on a DIN rail (i.e. the unit should be mounted on the metal DIN plate itself). For additional amplifier unit installation, be sure to use the end unit (OP-26751).  | ||||