ORP-8651 3-in-1 Heavy Duty pH, mV & Temperature Meter w/ auto buffer recognition

  • 5% OFF
  • $151.91

  • Regular Price $159.90

Add to Wishlist

Check shipping / delivery time for your country | Free Shipping Worldwide Request for Quotation

Measures pH, ORP and temperature accurately with advance features such as multi-display LCD screen wherein it simultaneous display (pH/mV & temperature, memory counter, time real-time clock and mode indicators). It also provides both °C and °F that can be easily switch, automatic and manual temperature compensation, save, recall & delete recorded data, hold function, min & max values, back-light, auto power off that can be disable, option to transmit data into the computer for analyzation and printing (CD & cable not included in the set), with 5 maximum calibration points and from panel calibration adjustments, with automatic buffer recognition. The whole set comes complete with pH4, pH7 & pH10 buffer solutions, pH electrode with ATC, ORP electrode and multi-purpose plastic hardened carrying case & 1.5V batteries!Plus, now you have the option to get the RS232 Software CD and cable for data logging and direct saving of your gathered readings to your PC.

Application & Usage: This handy meter is ideal for checking water treatment, industrial applications, pools, spas, aquariums, labs, aquaculture, sanitation plants, car washes, hydroponics, water & waste water treatment and boilers/steam generator maintenance and many other applications.

Health and Safety Standards & Certifications:

Our products has the approval of the European Directives, each meter's components comply to their essential health and safety requirements set out in thru the CE marking. Your safety is assured.


  • Can store each parameter up to 99 record, 99 PH & 99 mV/ORP
  • Measures pH, mV and Temperature
  • Integrated pH, ORP and Temperature measurements in one meter
  • Multi-display LCD screen
  • Accurate and high resolution
  • °C/°F switchable with real-time display
  • Front panel calibration adjustments
  • With hold function that freezes displayed reading
  • Min/Max values review of memorized data
  • With pH automatic buffer recognition to avoid errors during calibration
  • Allows automatic or manual temperature compensation
  • 3-points pH calibration (maximum 5 points pH calibration)
  • With memory recall and real-time clock setting features
  • With RS232 receptor for online logging or upload data to PC for analysis (optional RS232 CD & cable is not included in the set)
  • With Back-light feature for dark environment operation
  • Easy to view probe calibration data
  • With "Ready" icon on LCD to indicate if reading is stable or not
  • Error indicators during calibration, hold, max & min, record, Low bat
  • Meter can be powered by 4pcs of AAA batteries (included in the set) for better mobility or by a 9V DC power adapter for long time use (power adapter is not included in the set)
  • Auto power off with disable feature
  • With provision for tripod mounting
  • With safety approval for a long and trouble-free life
  • Comes with pH electrode with ATC, ORP electrode, multi-purpose plastic hardened carrying case and 3 pH buffer solutions(pH4, pH7 & pH10)
  • Now comes with Optional RS232 Software CD and Cable (not included in the set)



    • measuring range : 0.00~14.00
    • high resolution : 0.01pH
    • accuracy : ±0.02pH
    • measuring range : -1999 ~ +1999mV
    • resolution : 0.1mV(-199.9~+199.9) or 1mV (-1999~+1999)
    • accuracy : ±0.2mV(-199.9~+199.9) or ±2 mV (-1999~+1999)
    • measuring range: -499 ~ +499mV
  • Manual & Automatic Temperature Compensation
  • Calibration: Max 5 points automatic buffer recognition
  • With pH Slope/Offset display
  • Slope Alarm: <75% or >115%
  • Offset Alarm: Out of ±60mV
  • Operating Temp : 0~50°C (32~122°F), Max. 80%RH.
  • Storage Temperature: -20~60°C , Humidity: up to 95% without condensation
  • Low battery indicator
  • pH electrode: 1 meter cable length
  • Dimension(meter) : 175 x 70 x 33mm
  • Weight: approx. 150g (meter only)

Set Includes:

  • 1 x Professional 3-in-1 PH, ORP mV, Temperature Meter
  • 1 x FREE pH electrode with ATC
  • 1 x FREE ORP electrode
  • 1 x FREE PH4, PH7 & PH10 Buffer Solutions
  • 1 x FREE Multi-purpose plastic carrying case
  • 4 x FREE 1.5V AAA Battery
  • 1 x Instruction manual


Optional Item (not included in set)
         Please click here to buy this optional item RS232 Software CD & Cable 
or you may contact us at sales(at)gainexpress.com if you want an optional items to be included in your order

Related Products