Business > Industrial Devices > Automation Controls Top > FA Sensors & Components > Measurement Sensors > Measurement Sensors > Metal-sheet Double-feed Detector GD(Discontinued Products) > Specifications
We are sorry, the products have been discontinued. Please refer to the details of the discontinued products and the recommended substitutes list below.
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Type | Small object detection | High precision | Long sensing range | |||||
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Model No. | GD-3 | GD-10 | GD-20 | |||||
Applicable controllers | GD-C3 | GD-C1, GD-C2, GD-C3 | GD-C1, GD-C2 | |||||
Sensing range (between sensor heads) |
10 mm 0.394 in or less | 30 mm 1.181 in or less | 70 mm 2.756 in or less | |||||
Detectable sheet thickness (Note 2) | Standard sensing object size: 20 x 20 mm 0.787 x 0.787 in | Standard sensing object size: 80 x 80 mm 3.150 x 3.150 in | Standard sensing object size: 200 x 200 mm 7.874 x 7.874 in | |||||
Setting distance | 5 mm 0.197 in |
10 mm 0.394 in |
20 mm 0.787 in |
30 mm 1.181 in |
35 mm 1.378 in |
70 mm 2.756 in |
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Material | Applicable controllers |
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Iron (SPCC) |
GD-C1/C2 | - | - | 0.07 to 1 mm 0.003 to 0.039 in |
0.07 to 0.5 mm 0.003 to 0.020 in |
0.07 to 10 mm 0.003 to 0.394 in |
0.07 to 6 mm 0.003 to 0.236 in |
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GD-C3 | 0.01 to 0.1 mm 0.0004 to 0.004 in |
0.03 to 0.1 mm 0.001 to 0.004 in |
0.01 to 0.3 mm 0.0004 to 0.012 in |
0.01 to 0.1 mm 0.0004 to 0.004 in |
- | - | ||
Aluminum | GD-C1/C2 | - | - | 0.03 to 6 mm 0.001 to 0.236 in |
0.03 to 2 mm 0.001 to 0.079 in |
0.03 to 10 mm 0.001 to 0.394 in |
0.03 to 6 mm 0.001 to 0.236 in |
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GD-C3 | 0.015 to 1 mm 0.001 to 0.039 in |
0.015 to 1 mm 0.001 to 0.039 in |
0.015 to 1 mm 0.001 to 0.039 in |
0.015 to 1 mm 0.001 to 0.039 in |
- | - | ||
Copper | GD-C1/C2 | - | - | 0.03 to 6 mm 0.001 to 0.236 in |
0.03 to 2 mm 0.001 to 0.079 in |
0.03 to 10 mm 0.001 to 0.394 in |
0.03 to 6 mm 0.001 to 0.236 in |
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GD-C3 | 0.018 to 1 mm 0.001 to 0.039 in |
0.018 to 0.3 mm 0.001 to 0.012 in |
0.018 to 1 mm 0.001 to 0.039 in |
0.018 to 1 mm 0.001 to 0.039 in |
- | - | ||
Brass | GD-C1/C2 | - | - | 0.03 to 6 mm 0.001 to 0.236 in |
0.03 to 2 mm 0.001 to 0.079 in |
0.03 to 10 mm 0.001 to 0.394 in |
0.03 to 6 mm 0.001 to 0.236 in |
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GD-C3 | 0.03 to 1 mm 0.001 to 0.039 in |
0.03 to 0.5 mm 0.001 to 0.020 in |
0.01 to 1 mm 0.0004 to 0.039 in |
0.01 to 1 mm 0.0004 to 0.039 in |
- | - | ||
Stainless steel (SUS304) |
GD-C1/C2 | - | - | 0.1 to 6 mm 0.004 to 0.236 in |
0.1 to 2 mm 0.004 to 0.079 in |
0.1 to 10 mm 0.004 to 0.394 in |
0.1 to 6 mm 0.004 to 0.236 in |
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GD-C3 | 0.3 to 1 mm 0.012 to 0.039 in |
0.3 to 1 mm 0.012 to 0.039 in |
0.05 to 2 mm 0.002 to 0.079 in |
0.05 to 1 mm 0.002 to 0.039 in |
- | - | ||
Protection | IP67 (IEC) | IP67 (IEC), IP67G | ||||||
Ambient temperature | -10 to +60 ℃ +14 to +140 ℉, Storage: -25 to +70 ℃ -13 to +158 ℉ |
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Ambient humidity | 45 to 85 % RH, Storage: 35 to 95 % RH | |||||||
Vibration resistance | 10 to 55 Hz frequency, 1.5 mm 0.059 in double amplitude in X, Y and Z directions for two hours each | |||||||
Shock resistance | 1,000 m/s2 acceleration (100 G approx.) in X, Y and Z directions three times each | |||||||
Material | Enclosure: Stainless steel (SUS303), Sensing face: ABS | Enclosure: Polyalylate | Sensing face: Polyacetal, Main body: Stainless steel | |||||
Cable | Sender: 0.3 mm2 single core shielded cable, 3 m 9.843 ft long Receiver: 0.1 mm2 2-core shielded cable, 3 m 9.843 ft long |
Sender: 0.5 mm2 single core shielded cable, 3 m 9.843 ft long Receiver: 0.3 mm2 2-core shielded cable, 3 m 9.843 ft long |
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Cable extension | Extension up to total 20 m 65.617 ft is possible with an equivalent shielded cable. | |||||||
Weight | Net weight: 90 g approx. | Net weight: 80 g approx. | Net weight: 440 g approx. | |||||
Accessory | - | Sensor head mounting bracket: 1 set for sender and receiver | - |
Note 1 : | Where measurement conditions have not been specified precisely, the conditions used were an ambient temperature of +20 ℃ +68 ℉. |
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Note 2 : | The above detectable sheet thicknesses are typical data at the given sensing distance. The allowable thickness will differ from the range described in the above table at other setting distances. Further, double feeds of aluminum foils can also be detected at distances shorter than the above. Please contact our office for details. |
Type | Standard | With RS-232C communication function | Small object detection | ||
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Model No. | GD-C1 | GD-C2 | GD-C3 | ||
Supply voltage | 12 to 24 V DC ± 10 % Ripple P-P 10 % or less | ||||
Current consumption | 12 V DC: 700 mA or less, 24 V DC: 400 mA or less | ||||
Outputs OUT-1, OUT-2, ALM. Answer-back |
NPN open-collector transistor ・Maximum sink current: 100 mA ・Applied voltage: 30 V DC or less (between output and 0 V) ・Residual voltage: 1 V or less (at 100 mA sink current) 0.4 V or less (at 16 mA sink current) |
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Output operation | OUT-1 | OFF above the one-sheet threshold level | |||
OUT-2 | OFF above the two-sheet threshold level | ||||
A L M. | OFF when an error occurs | ||||
Answer-back (ANS. OUT) | Refer to the time chart. (Note 2) | ||||
Short-circuit protection | Incorporated | ||||
Response time | Automatically selected either 5 ms or less, or 30 ms or less, depending on the object | 5 ms or less | |||
Set level storage function | Set values of eight channels stored | ||||
Set level teaching function | Incorporated | ||||
External setting function | Incorporated | ||||
Indicators | Power | Green LED (lights up when the power is ON) | |||
Self-diagnosis (ALM.) | Red LED (lights up during SET mode and when an error occurs during RUN mode) | ||||
Sensing mode (SENSE) | 2-color indicator (lights up green during normal sensing mode, but yellow during precise sensing mode) |
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Comparative output-1 (OUT-1) | Green LED (lights up when OUT-1 is OFF, and blinks twice on completion of 0-ADJ. or SET-1 setting in SET mode) |
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Comparative output-2 (OUT-2) | Red LED (lights up when OUT-2 is OFF, and blinks twice on completion of 0-ADJ. or SET-2 setting in SET mode) |
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Sensing level | Yellow LED x 1 and green LED x 6 (indicate the sensing level) | ||||
Timer function | Approx. 50 ms fixed delay timer (switchable either effective or ineffective) | ||||
Ambient temperature | -10 to +50 ℃ +14 to +122 ℉ (No dew condensation or icing allowed), Storage: -25 to +70 C° -13 to +158 ℉ | ||||
Ambient humidity | 45 to 85 % RH, Storage: 35 to 90 % RH | ||||
Voltage withstandability | 1,000 V AC for one min. between all supply terminals connected together and enclosure | ||||
Insulation resistance | 50 MΩ, or more, with 250 V DC megger between all supply terminals connected together and enclosure | ||||
Vibration resistance | 10 to 55 Hz frequency, 0.75 mm 0.030 in double amplitude in X, Y and Z directions for two hours each | ||||
Shock resistance | 300 m/s2 acceleration (30 G approx.) in X, Y and Z directions three times each | ||||
Material | Heat-resistant ABS | ||||
Weight | Net weight: 440 g approx. | ||||
Accessory | Insulation plate: 2 pcs. |
Note 1 : | Where measurement conditions have not been specified precisely, the conditions used were an ambient temperature of +20 ℃ +68 ℉. |
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Note 2 : | Time chart |
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