| Model | EH-402 | EH-416 | EH-422 | EH-430 | EH-440 | EH-290 |
| Type | Standard , Non-shielded , Cylindrical | Standard , Non-shielded , Cylindrical and threaded | Standard , Non-shielded , Cylindrical |
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| Detectable object | Ferrous metals (see Characteristics for nonferrous metals) |
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| Standard target (iron, t=1 mm <font color=”#0099ff”>0.04″</font>) | 10 x 10 mm 0.39″ x 0.39″ | 20 x 20 mm 0.79″ x 0.79″ | 25 x 25 mm 0.98″ x 0.98″ | 30 x 30 mm 1.18″ x 1.18″ | 40 x 40 mm1.57″ | 150 x 150 mm 5.91″ x 5.91″ |
| Stable detecting range | 0 to 3 mm0.12″ | 0 to 6 mm0.24″ | 0 to 9 mm0.35″ | 0 to 12 mm0.47″ | 0 to 18 mm0.71″ | 0 to 35 mm1.38″ |
| Maximum detecting distance | 7 mm0.28″ | 13 mm0.51″ | 18 mm0.71″ | 25 mm0.98″ | 36 mm1.42″ | 70 mm2.76″ |
| Hysteresis | 0.04 mm0.002″ | 0.05 mm0.002″ | 0.06 mm0.002″ | 0.08 mm0.003″ | 0.1 mm0.004″ | 0.2 mm0.008″ |
| Repeatability | 0.002 mm0.00008″ | 0.012 mm0.0005″ | 0.02 mm0.0008″ | 0.025 mm0.001″ | 0.037 mm0.001″ | 0.075 mm0.003″ |
| Temperature characteristics | +30%, -10% max. of detecting distance at 23°C 73.4°F, within -10 to +60°C 14 to 140°F | ±10% max. of detecting distance at 23°C 73.4°F, within -10 to +60°C 14 to 140°F |
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| Enclosure rating | IP67 |
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| Ambient temperature | -10 to +60 °C 14 to 140 °F (No freezing) |
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| Relative humidity | 35 to 85 % RH (No condensation) |
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| Weight | Approx. 28 g (including nuts and 3-m 9.8′ cable) | Approx. 72 g (including nuts and 3-m 9.8′ cable) | Approx. 175 g (including nuts and 3-m 9.8′ cable) | Approx. 225 g (including nuts and 3-m 9.8′ cable) | Approx. 280 g (including nuts and 3-m 9.8′ cable) | Approx. 650 g (including nuts and 3-m 9.8′ cable) |
