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Refer: Silicon Chip Magazine May/June 2017
This is an improved design from our popular kit (KC5498) from 2010 that helps reduce marine growth on the boat hull up to 8m. This new design has a second channel option (KC5536) for larger boats up to 14m, soft-start feature, low current drain during shut-down and LED & Neon operation indicators.
Features:
* Suitable for boats up to 14m (up to 8m with one transducer).
* Ideal for boats with single-skin glass-reinforced plastic (GRP) or fibreglass, steel, aluminium or concrete hulls.
* Powered by the boat’s 12V battery.
* Adjustable low-battery shut-down
* Very low current drain during shut-down
* Soft-start feature reduces surge current.
* LED indicators for power, low battery or fault.
* Neon indicators for ultrasonic drive operation.
Specifications:
* Operating supply voltage: 11-16V DC
* Average current drain: typically 320mA for one transducer, 640mA for two transducers
* Peak current: 2A
* Output frequency range: 19.08kHz to 41.66kHz in 14 bands
* Frequency steps: 12 steps in each band; 80Hz steps at 20kHz increasing to 344Hz steps at 40kHz
* Signal burst period: 1000 cycle bursts ~600ms at 20kHz and ~300ms at 40kHz
* Burst interval period: between 300ms and 600ms
* Dual transducer drive: alternate
* Transducer drive voltage: 250VAC (about 700V peak-to-peak)
* Low-battery cut-out threshold: adjustable from 0-15V
* Low-battery cut-in threshold: 0-2.5V above cut-out threshold
* Low-battery shut-down quiescent current: 170uA
* Power-up delay: 30 seconds
Kit includes all specified parts to make a single channel version for boats up to 8m, including one transducer.
SECOND CHANNEL:
To make it into a Dual Channel purchase add-on Kit KC5536 (Add-on Second Channel with Transducer)
Assembly required
| Height | 55mm |
| Width | 171mm |
| Additional Part Type | Other (details below) |
| Depth | 121mm |
| Additional Part Details | Included Box |
| Width | 80mm |
| Height | 80mm |
| Depth | 80mm |
| Kit Form | Full Form (circuit and enclosure) |
| Kit Group | General Projects |
| Difficulty | Complex |
| Additional optional items | Second channel |
| DC Voltage | 12V |
| Scale min | 40Hz |
| Scale max | 20kHz |
| Scale units | Type 0 |
| Scale resolution | 0 |
Warranty: 12 Months
