| The charger shall be housed in a rugged plastic case with two multifunctional charging slots for charging DMS 700 series wireless transmitters. Each charging slot shall accommodate a handheld or bodypack transmitter and the charger shall be capable of charging any combination of transmitters (e.g., one DHT 700 and one DPT 700 simultaneously). The batteries shall remain inside the transmitter(s) during charging. The charger shall detect any dry (non-rechargeable) battery inside a transmitter and automatically stop the charging cycle if a dry battery is inserted. A status LED shall be placed in front of each charging slot. These tri-color (red/amber/green) LED’s shall indicate the charger's current operating status: amber - battery is being tested; red - battery is being charged; green - battery is fully charged and charging cycle finished; flashing red - error. The voltage and temperature shall be monitored during the charging cycle and a signal given at the end of a charging cycle to indicate that full capacity has been reached. All required safety parameters shall be monitored and the charging cycle stopped if one or more safety parameters fall below or exceed the acceptable range. Operating voltage shall be 12 VDC, 1.5 A max. The charger shall accept NiMH or NiCd rechargeable batteries with a minimum capacity of 1500 mAh. Typical charging time 2 hours (depending on battery type and capacity). The charging unit shall operate in vertical and horizontal position to use it on a table or in a 19” rack. Two charging units shall be put together and mount into a 19” rack. The charger shall measure 197 x 83 x 87.5 mm (LxHxD), weigh approx. 620 g, and be black. The charging unit shall be the AKG Acoustics Model DHT 700 or equivalent. |
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