NG # 02654-HW-KELLER-030
The Keller K-114A is an interface converter designed to connect digitally enabled Keller pressure transmitters, data loggers, and digital gauges to a PC via USB.
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Stock
Custom Pricing
Get A QuoteThe "A" variant features an integrated cable terminating in a 5-pin Fischer connector (Series 103), making it directly compatible with Keller instruments equipped with Fischer plugs (such as Series 33X, 35X, 39X, and LEO Record).
| Parameter | Specification |
| Model / Part Number | K-114A / 309010.0009 |
| PC Interface | USB 2.0 (Mini USB-B socket) |
| Instrument Connection | RS485 (Half-Duplex), 5-pin Fischer Series 103 male plug |
| Baud Rate (Standard) | Up to 250 kbps (slew-rate limited for enhanced EMC) |
| Baud Rate (High-Speed) | Up to 3 Mbps |
| Bus Capacity | Up to 128 bus devices (1/4 unit load) |
| Sensor Power (Internal) | 12 VDC / max. 40 mA (boosted from USB) |
| External Power Input | $12\text{--}20\text{ VDC}$ / $<150\text{ mA}$ (optional auxiliary input) |
| Voltage Measurement ($U_{IN}$) | Range: $0\text{--}12\text{ VDC}$ | Accuracy: $$\pm 0.3\$ FS | Resolution: $ $<0.016\text{ $ |
| Current Measurement ($I_{OUT}$) | Range: $0\text{--}40\text{ mA}$ | Accuracy: $$\pm 0.3\$ FS | Resolution: $ $<0.05\text{ m$ |
| Protection Rating | IP40 |
| Operating Temperature | $-10^\circ\text{C}$ to $+50^\circ\text{C}$ |
| Total Cable Length | Approx. $1.75\text{ m}$ ($5.7\text{ ft}$) |
| Dimensions & Weight | $56 \times 31 \times 24\text{ mm}$, approx. $90\text{ g}$ |
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