China Digital Handheld Orp Tester Orp Meter Orp-B Water Quality Hydroponics

Description
Pen type ORP Tester|ORP Meter|
ORP Pen Range: 0~±1999mg/LmV
Resolution: 1mV
Accuracy : ±5 mV
Batteries :4 x 1.5V
alkaline Environment: 0 to 50°C,RH 95% max;
Calibration :1point
Dimensions :175x41x23mm
Weight :72g
Operation:
·Remove the protective cap. Do not be alarmed if white crystals appear around the cap. This is normal with ORP electrodes and they dissolve when rinsed with water.
·Turn the meter on sliding the switch on the top.
·Immerse into solution up to the max immersion level.
·Stir gently and wait until the display stabilizes.
·After use, switch off ORP meter,, use the water clean the electrode and replace the protective cap. Do not use distilled or deionized water for storage purposes.
·Large fluctuations in readings could be due to lack of calibration, dry electrode or rundown batteries.
Attention :during 2-3 weeks, put electrodes in 3mol/L KCL solution for 12 hours, to make sure the reading within accuracy.
Battery Replacement:
If calibration can not be performed or the display fades, batteries must be replaced. Slide off the battery compartment cover and replace all four 1.5V alkaline batteries, while paying attention to the correct polarity. Batteries should only be replaced in a non-hazardous area and using the battery type specified in this instruction manual.

**After sales service
*DELIVERY
1. Worldwide shipping(Except some countries and APO/FPO address)
2. The orders will be processed timely after payment verified
3. We only ship to confirmed address, your order address must match your recipient address,
4. We offer different kind of delivery ways, such as China-post airmail, e-packet, DHL and EMS. And other seller's Shipping Method, you can choose the delivery way according to your acceptable freight.
5. If you do not receive your package within 60 days from payment, just contact with us, we will check the shipment for you.
*RETURN & REFUND When package arrive, please make sure the outside packing is in well condition, then, you can sign&accept the package. You have 7 days to contact us and 30 days to return it from the date you received the package; If this item is in your possession more than 7 days, it is considered used and WE WILL NOTACCEPT YOUR REFUND OR REPLACeMENTDefective item should be reported to us and returned to us within warranty period(better in original package). You must tell us what the defect is and the tracking number you send it back4. Return shipping cost will be prepay by buyer.
5. We normally declare package with Lower Price or As A Gift for custom invoice to save extra taxes, if you have any special requirement about custom invoice, please let us know before shipment out from here
*about us
1. Our aim is Make Every Buyer Satisfied with our products and service
2. We provide both Drop shipping and wholesale, if you are interested in those, contact us freely by leaving a message, or trade manager, visa SKYPE, WE CHAT, WHATSAPP
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