Data Harvest Smart Wireless 1110 Посібник - Сторінка 9
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7.
After the next count down rinse the electrode in distilled water, wipe off excess and suspend in
the value 3 buffer, stir and select Next.
8.
After the next count a message will say 'Your sensor has been calibrated ......' Select Finish.
Note: Mark the pH electrode and adaptor combination so they are used as a pair.
Specifications
pH Adaptor
Sensor ranges: 3
Connectivity: USB or Bluetooth
Fastest logging speed: 50 samples per second [20 ms]
Firmware upgradeable
USB communication to PC: Full speed compliant
Power specifications: 5 V at 500 mA
Battery: rechargeable internal lithium-ion 3.7 V, 1300 mAh
Operating range: 0 - 40˚C and 0 to 95% RH (non-condensing)
Memory: Last log, up to 10,000 samples
Weight of pH adaptor only: approx. 85 g
External dimensions of pH adaptor only: approx. height 33 mm x width 50 mm x length 103 mm
Bluetooth
Bluetooth 4.2 low energy radio, single mode compliant
Transmit (TX) power: 0 dBm
Receiver (RX) sensitivity: - 90 dBm
Usable transmission range: up to 10 m in open air
Frequency Range: 2.402 to 2.480 GHz operation
pH Electrode
Range 1: pH, 0.00 to 14.00 pH. Resolution: 0.01 pH
Range 2: ±1000 mV, Resolution: 1 mV
Range 3: User pH, 0.00 to 14.00 pH. Resolution: 0.01 pH
E
0±20 mV (25˚C)
Slope (pH 4.00 – 6.86)
>95%
Electrode Diameter: 12 to 13 mm
Electrode working temperature: 0 to 80˚C
Batteries
The Smart Wireless pH sensor is fitted with a rechargeable lithium-ion battery. Whenever the pH
sensor is connected to the USB port on the computer or to a USB mains charger (output 5 V at 500
mA or more), it will automatically re-charge the battery (LED status flashing white).
The adaptor will stay awake for 60 mins when Bluetooth advertising (LED status flashing blue).
Once connected to the EasySense2 software (LED status flashing green) the adaptor will stay awake until
the battery loses charge.
To switch Off: Press and hold down the On/Off switch for about 2 seconds until the white light is lit
solidly then release.
pH Adaptor & Electrode
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