| Type | Cylindrical type |
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| Model No. | GH-2SE | GH-3SE | GH-5SE | GH-8SE | GH-F8SE |
| Applicable amplifier | GA-311 |
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Stable sensing range
(Note 2) | 0 to 0.6 mm
0 to 0.024 in | 0 to 0.8 mm
0 to 0.031 in | 0 to 1.0 mm
0 to 0.039 in | 0 to 2.0 mm
0 to 0.079 in |
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Max. operation distance
(Note 2) | 1.2 mm
0.047 in | 1.8 mm
0.071 in | 2.4 mm
0.094 in | 4.0 mm
0.157 in |
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| Standard sensing object | Iron sheet 5 × 5 × t 1 mm
0.197 × 0.197 × t 0.039 in | Iron sheet 10 × 10 × t 1 mm 0.394 × 0.394 × t 0.039 in |
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Hysteresis
(Note 3) | 0.07 mm
0.003 in or less | 0.05 mm
0.002 in or less | 0.04 mm
0.002 in or less |
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Repeatability
(Note 3) | Along sensing axis, perpendicular to sensing axis: 1 μm 0.039 mil or less |
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| Protection | IP50 (IEC) | IP67 (IEC), IP67G (Note 4) |
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| Ambient temperature | -10 to +60 ℃ 14 to +140 ℉, Storage: -20 to +70 ℃ -4 to +158 ℉ |
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| Ambient humidity | 35 to 85 % RH, Storage: 35 to 85 % RH |
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| 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 |
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| Shock resistance | 500 m/s2 acceleration (50 G approx.) in X, Y and Z directions five times each |
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Temperature characteristics
(Note 5) | Within ±7 % | Within ±5 % | Within ±4 % |
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| Material | Enclosure: Stainless steel (SUS303)
Sensing part: PVC | Enclosure: Stainless steel (SUS303)
Sensing part: ABS | Enclosure: Stainless steel (SUS303)
Sensing part: PAR | Enclosure: Stainless steel (SUS303)
Sensing part: ABS | Enclosure: Stainless steel (SUS303)
Sensing part: Fluorine resin |
| Cable (Note 6) | Oil-resistant [Spatter-resistant type: Spatter-resistant cable (Sheath: Fluorine resin)] high-frequency coaxial cable,
3 m 9.843 ft long, with a connector at the end |
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| Weight | Net weight: 15 g approx.
Gross weight: 30 g approx. | Net weight: 35 g approx.
Gross weight: 45 g approx. | Net weight: 40 g approx.
Gross weight: 55 g approx. | Net weight: 55 g approx.
Gross weight: 70 g approx. |
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| Model No. | GA-311 |
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| Applicable sensor head | GH-□SE |
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| Supply voltage | 12 to 24 V DC ± 10 % Ripple P-P 10 % or less |
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| Current consumption | 25 mA or less |
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| Output | NPN open-collector transistor
・Maximum sink current: 100 mA (50 mA, if five, or more, amplifiers are connected in cascade.)
・Applied voltage: 30 V DC or less (between sensing output and 0 V)
・Residual voltage: 1 V or less [at 100 mA (at 50 mA, if five, or more, amplifiers are connected in cascade) sink current.] |
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| Max. response frequency | 3.3 kHz |
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| Operation indicator | Orange LED (lights up when the output is ON) |
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| Disconnection alarm indicator | Red LED (lights up when the sensor head cable is disconnected or misconnected) |
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| Sensitivity adjuster | 18-turn potentiometer |
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| Ambient temperature | -10 to +60 ℃ +14 to +140 ℉ (If 4 to 7 units are connected in cascade : -10 to +50 ℃ +14 to +122 ℉, if 8 to 16 units are connected in cascade: -10 to +45 ℃ +14 to +113 ℉)
(No dew condensation or icing allowed),
Storage: -20 to +70 ℃ -4 to +158 ℉ |
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| Ambient humidity | 35 to 85 % RH, Storage: 35 to 85 % RH |
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| Voltage withstandability | 1,000 V AC for one min. between all supply terminals connected together and enclosure |
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| Insulation resistance | 20 MΩ, or more, with 250 V DC megger between all supply terminals connected together and enclosure |
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| Vibration resistance | 10 to 150 Hz frequency, 0.75 mm 0.030 in double amplitude in X, Y and Z directions for two hours each |
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| Shock resistance | 100 m/s2 acceleration (10 G approx.) in X, Y and Z directions three times each |
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| Temperature characteristics (Note 2) | Within ±5 % |
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| Material | Enclosure: PBT, Cover: Polycarbonate |
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| Connecting method | Connector (Note 3) |
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| Cable length | Total length up to 100 m 328.084 ft (if 5 to 8 units are connected in cascade: 50 m 164.042 ft,
if 9 to 16 units are connected in cascade: 20 m 65.617 ft) is possible with 0.3 mm2, or more, cable. |
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| Weight | Net weight: 15 g approx., Gross weight: 40 g approx. |
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