When equipment begins to fail due to an air or gas leak or vibration, or electrical discharge, the leakage point emits an ultrasonic sound wave that is above the natural range of human hearing. The ULD-410 Ultrasonic Leak Detector converts this ultrasonic sound into a signal that can be used to pinpoint the exact location of the equipment failure.
| ULD-400-R Receiver | ULD-400-T Transmitter | |
| Sensitivity Adjustment | Yes | N/A |
| Volume Adjustment | Yes | N/A |
| Signal Level Adjustment | N/A | Yes |
| Earphone Jack (3.5 mm) | Yes | N/A |
| Display Size | LCD 2.5 in (6.35 cm) | N/A |
| Display Dimensions | 1.45 x 1.93 in (36.72 x 48.96 mm) | N/A |
| Display Resolution | 240(RGB) x 320 pixels | N/A |
| Display Type | TFT-LCD (262 K) | N/A |
| Display Color | True, 16bit/color | N/A |
| Frequency Range | 20 kHz to 90 kHz | Typical 40 kHz squarewave |
| Filter | ±5 KHz of main noise frequency, up to three filters | N/A |
| Power Supply | 4 x 1.5 V AA (LR6) alkaline batteries | 2 x 1.5 V AAA (LR03) alkaline batteries |
| Power Consumption (typical) | 75 mA | 33 mA |
| Battery Life (typical) | 105 hours (Alkaline) | 60 hours (Alkaline) |
| Low Battery Indication |  |
Yes (Red LED) |
| Weight | Approx. 0.518 lb (0.235 kg) | Approx. 0.335 lb (0.152 kg) |
| Dimensions | 7.547 x 2.984 x 1.791 in (183 x 75 x 43 mm) |
5.295 x 2.559 x 1.326 in (137 x 65 x 33 mm) |
| APO function | 60 minutes when in idle | |
| Operating Temperature | -4 °F to 122 °F (-20 °C to 50 °C) | |
| Storage Temperature | -4 °F to 158 °F (-20 °C to 70 °C) | |
| Operating Humidity | <80% RH | |
| Pollution Degree | 2 | |
| Protection | IP40 | |
| Certifications |  |
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| Electromagnetic Compatibility (EMC) | EN 61326-1 Korea (KCC): Class A Equipment (Industrial Broadcasting & Communication Equipment) [1] [1] This product meets requirements for industrial (Class A) electromagnetic wave equipment and the seller or user should take notice of it. This equipment is intended for use in business environments and is not to be used in homes. |
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