Good morning, i would like to know how many probes are included in the instrument? in the second image i see two probes, could i send a real-time imag

Thank you for your question. The full set includes: Complete with 6 x AA batteries, SD card, hard carrying case, sample buffers, mini pH electrode (60120B), and Thermistor temperature probe (850188)

Can this perform orp readings without orp electrode? or do we have to buy 67500b standard orp electrode additionally? if so can you offer that as well

Yes, you would need to order the orp probe to measure the orp.

Is this unit capable of continuous immersion logging of typical drinking water to SD card? We'll calibrate every 24 hours, but weekly is better

Thank you so much for your interest in our products. Yes, the SDL100 is capable to datalog information from 1 second to almost 9 hours. All this data will be saved on the SD card. Please notice that the SD card capacity is up to 16GB. Please check all the specifications of this unit here http://www.extech.com/products/resources/SDL100_UM-en.pdf

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RE300 ExStik ORP Meter

Product ID: 52699667

Details

Colour
Green
Brand
Extech
Item weight
0.12 Kilograms
Battery description
4 × CR2032
Mounting type
Tabletop

⚡High resolution 1mV precision

💾Memory stores 15 readings + last calibration

📊Simulated analog bargraph for instant trend visualization

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$395.31

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Description

⚡ Stay ahead of the curve with precision ORP monitoring!

PINPOINT ACCURACY - Experience ultra-fine 1mV resolution for exact ORP measurements.
COMPACT PORTABLE - Lightweight 120g design fits perfectly on your tabletop or in the field.
SMART MEMORY RECALL - Never lose track—store and access up to 15 readings plus your last calibration.
INSTANT TREND INSIGHT - Visualize ORP fluctuations in real-time with the intuitive analog bargraph.
EFFORTLESS CALIBRATION - Automatic electronic self-calibration keeps your data reliable without hassle.

The Extech RE300 ExStik ORP Meter delivers professional-grade oxidation-reduction potential readings from -999 to 999mV with 1mV resolution. Featuring automatic self-calibration, a simulated analog bargraph for real-time trend display, and memory storage for 15 readings plus the last calibration, it’s a compact, battery-powered tool designed for accuracy and convenience in water quality analysis.

Specifications

Manufacturer	Extech
Part Number	RE300
Product Dimensions	1.91 x 1.91 x 508.26 cm; 120 g
Batteries	4 Lithium Metal batteries required. (included)
Item model number	RE300
Colour	Green
Style	ORP
Voltage	3 Volts
Item Package Quantity	1
Number of Pieces	1
Plug profile	Tabletop
Batteries included?	Yes
Batteries Required?	Yes
Battery Cell Type	Alkaline
Battery description	4 × CR2032 (3V) batteries
Item Weight	120 g

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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