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Shop > Bluetooth & WiFi Optical Probes > Bluetooth (BT Classic and Bluetooth Low Energy, BLE) Optical Probe
Bluetooth (BT Classic and Bluetooth Low Energy, BLE) Optical Probe
The KMK119 connects the optical port of a meter to your software over Bluetooth - the Bluetooth serial port (SPP) for PCs and Bluetooth Low Energy (BLE) for phones, both in one probe.

Works with the meter reading software you already have: in IEC auto and DLMS auto the probe handles the optical line like a cable probe. Command mode for your own software: set the optical line and read the probe's settings and status from your program.
Datasheet KMK119 Latest Firmware abcZ - Software Download ↗ User Manual

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Bluetooth (BT Classic and Bluetooth Low Energy, BLE) Optical Probe

Smart Wireless Auto Protocols Detection Probe

KMK119

How many optical probes do you need?
If you buy less than 5 items you will lose your 5% discount
223.25 USD 235.00 USD
per one optical probe
1116.25 USD 1175.00 USD
total price
[+] More Specifications [-] More Specifications
Bluetooth: Bluetooth Classic and Bluetooth Low Energy (BLE), v5.1
Class 1 radio; 128-bit encryption
Range up to 100 m (line of sight; module value)
Standard: IEC 62056-21 (former IEC 1107)
Data rate: 300 - 38400 baud
Battery: 1200 mAh, rechargeable; charging over USB Type-C or Micro-USB (by hardware version)
Operating hours: about 40 hours (our battery test: a meter read every 10 s)
Wavelength: ~ 900 nm 
Optical sensitivity: Set by command (0xD0), every working mode 
Diameter: 32 mm
Width: ~ 36 mm
Height: ~ 55 mm
Depth: ~ 42 mm
Magnetic Force: N38
Body and Back Cover Material: ABS
Transparent Parts: Transparent Poly Carbonate
Weight: ~ 125 gr

  • Payment Options

    Bank wire transfer option is available. Please contact us with your company commercial details for this method.

  • Delivery

    We ship worldwide via Express shipment. It takes maximum 2-3 days to deliver. It is always possible to use customer courier account and please contact us for that specific requirements.

  • Money back guarantee

    We offer you money back guarantee if you do not satisfy with the quality and performance of our probes.