HFS(R) pH and TDS Meter Combo Pen Type pH Meter,TDS EC Temperature Meter

Description

pH and TDS Meter Combo Pen Type pH Meter,TDS EC Temperature Meter
SKU: PH-TDS-SET
[MATERIAL]: The shell is mainly made of plastic
[SET INCLUDE]: 1PC PH Meter;1PC TDS Meter
[PH METER]: The precision is 0.01; The large screen LCD display is clear, intuitive and easy to read; The high-quality glass electrode has fast speed, good stability and higher precision
[TDS METER]: It can lock data detection; Special temperature compensation function can automatically convert it to TDS value when the water temperature is 25 ?; Large screen liquid crystal waterproof design, easy to watch and durable
[CALIBRATION OPERATION]: Mix a packet of 6.86 correction powder with 250ml water and shake gently. Put the pen down to test the pH value of the solution. If it shows 6.8, the pen is accurate;If the display deviates from 6.8, use a small screwdriver to adjust the correction potentiometer (the hole on the back) until the displayed value matches the pH value of the standard buffer solution at ambient temperature.Keep the pen under the water when correcting
Orders will be shipped from our Los Angeles warehouse or by one of Amazon's Fulfillment Centers around the US (depending on the item).
Most orders will arrive in 7 business days or less, expedited shipping is not available at this time.
Orders over a certain dollar amount will be insured and sent signature required.
CANCELLATION NOTICE: Please be sure your address is correct before placing your order! Many of our products are warehoused/shipped on our behalf by Amazon, they will not accept address changes or cancellations.
We require immediate payment through PayPal for all eBay listings.
RETURNS
30-Day Free Returns means we don't charge a restocking fee. Return shipping is not provided.
All items include a HFS Limited Warranty. Warranty perdiod varies by product, please contact us for specifics.