Extech Pocket Stick Meters

pH Meter - Flat surface electrode, Waterproof, CAL function lets you know when it needs calibrating.

Temperature meter - Can use WM4004 sensor for redox and WM4012 sensor for chlorine.

Conductivity/TDS Meter- A waterproof meter to read LR & HR conductivity, LR & HR TDS, salinity and temperature.

Chlorine Meter - Can be used in conjunction with different reagents to measure H₂0₂, chlorine, bromine, Cl0₂.

6 months warranty is given on these meters.

Description	Code	Range	Accuracy	Resolution	Price (£)
Extech pH Meter pH 100 Extech pH Meter Including4, 7 & 10 pH Buffers Replacement Sensor Extech Conductivity Meter EC 400 Extech Conductivity Meter Including 1413pS Conductivity Solution Replacement Sensor Extech ORP Electrode RE300 Extech Chlorine Meter CL200 Replacement Sensor Extech Temperature Meter Infrared Dissolved Oxygen Pocket Meter	WM4000 WM4000R WM4001 WM4002 WM4002R WM4003 WM4004 WM4009 WM4012 WM4016 WM4017	0 - 14 pH 0 - 14 pH 0-19,999µS 0-9,999 ppm 0-19,999µS 0-9,999 ppm -999-999mV 0.01-10.00ppm Up to 260⁰C 0-20 ppm	+/- 0.01 pH Also fits into Chlorine pen +/-1% +/-1% Fits into pH/Chlorine Meter Also fits into pH pen 0.4 ppm	0.1 pH 0.1µS 0.1 ppm 0.1µS 0.1ppm 1 mV 0.01 ppm	80.00 87.00 31.50 80.00 84.00 31.50 105.00 156.50 76.00 100.00 107.50