Mini Professional ph meter Laboratory Electrode Aquarium Hydroponic Laboratory pH Electrode Probe BNC Controller Meter Connector

The electrode is composed by the pH glass electrode and silver silver chloride reference electrode. It is the measuring element of pH meter, using to measure the pH of aqueous solution/water.
Features:
Widely used to test the the pH of aqueous solution/water.
100% brand new pH electrode probe.
Great laboratory pH electrode probe.
Suitable for most pH meter and controller with BNC connector.
Apply in water sources, aquarium, hydroponics, laboratory, spas, swimming pools and other water systems.
Specifications:
Type: Laboratory Electrode
Display: Digital Display
Probe Type: Sensitive Crystal Ball Bubble
Range: 0.00 ~ 14.00pH
Accuracy: 0.01
Power Voltage: 5V
Temperature Range: 0 ~ 80 Centigrade
Zero-point: 7±0.5(pH-201) / 7x±0.5(pH-151) (Optional)
Color: Blue(pH-201) / Black(pH-151)
Material: Polycarbonate
Type of Electrode Plug: Q9
BNC: Upright
Length of pH Electrode Line: Approx. 70cm / 27.5in
Item Size:
pH-201: Approx. 145 * 20 * 20mm / 5.7 * 0.8 * 0.8in (pH Electrode)
pH-151: Approx. 155 * 20 * 20mm / 6.1 * 0.8 * 0.8in (pH Electrode)
Item Weight:
pH-201: Approx. 44.7g / 1.6oz
pH-151: Approx. 47.3g / 1.7oz
Package Size: Approx. 21 * 10.4 * 5cm / 8.3 * 4.1 * 1.9in
Package Weight:
pH-201: Approx. 85g / 3.0oz
pH-151: Approx. 94.3g / 3.3oz
Note: 
The difference between pH-201 and pH-151 is the Filling Liguid.
The pH-201 Electrode comes without the Filling Liguid.
The pH-151 Electrode comes with the Filling Liguid.
Package List:
1 * pH Electrode
1 * Filling Liguid (ONLY pH-151)