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3900VP-02-10

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Emerson Rosemount 3900VP-02-10 is a general-purpose pH sensor with low-resistance glass, a VP8 cable connection and double-junction reference for aqueous processes.
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Technical specifications for 3900VP-02-10

  • Manufacturer:
    Emerson
  • Part Number:
    3900VP-02-10
  • Product Family:
    Rosemount
  • Product Type:
    General-Purpose pH Sensor
  • Stock:
    1
  • Measurement:
    pH
  • Preamplifier option:
    02: none
  • Glass option:
    10: general-purpose low-resistance pH glass
  • Measurement range:
    0 to 14 pH
  • Cable interface:
    VP8 detachable connector
  • Reference construction:
    Double junction
  • Liquid junction:
    Porous PTFE
  • Body material:
    PPS
  • Solution ground:
    Integral
  • Process connections:
    3/4 in. and 1 in. NPT
  • Low-temperature capability:
    Down to -10 °C for the documented sensor execution
  • Primary service:
    General-purpose aqueous pH measurement
  • Sensor model:
    3900VP with Variopol connector
  • Measurement code:
    10; general-purpose low-resistivity pH glass
  • Operating and temperature-compensation range:
    -10 to +100 °C
  • Maximum process pressure:
    100 psig / 6.89 barg at 100 °C
  • CRN pressure rating:
    60 psig / 4.14 barg up to 100 °C
  • Temperature element:
    Pt100 RTD
  • O-ring material:
    EPDM
  • pH electrode material:
    Glass
  • Solution-ground material:
    Stainless steel
  • Reference-junction material:
    PTFE
  • Front process threads:
    3/4 in and 1 in MNPT
  • Rear process thread:
    1 in MNPT
  • Minimum conductivity service:
    0.1 µS/cm with the specified low-flow panel
  • Low-flow panel sample rate:
    2 gal/h
  • Linearity from pH 0 to 7:
    97%
  • Linearity from pH 7 to 10:
    99%
  • Linearity from pH 7 to 14:
    95%
  • Preamplifier:
    None
  • Tariff Code:
    Please confirm the destination before shipping.
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Applications Compatibility Temperature Range Diagnostics & Protection

Features:

  • Uses low-resistance general-purpose glass across the 0 to 14 pH range.
  • Connects through a detachable VP8 cable interface without an internal preamplifier.
  • Combines a double-junction reference, porous PTFE junction and integral solution ground.
The suffix identifies a no-preamp pH sensor rather than an ORP or preamplified execution.

Its electrochemical cell develops the measurement voltage interpreted by the remote analyzer.

Cable cleanliness, analyzer impedance and process mounting determine successful replacement.

Apter Power can review sourcing, documentation and system matching for 3900VP-02-10.
Verified resources for Emerson Rosemount 3900VP-02-10: Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
  • Water and wastewater systems can monitor basin, pipe or sample-stream pH.
  • Neutralization and chemical-treatment skids use the sensor for continuous reagent-control feedback.
  • General process vessels can apply insertion or submersion mounting through the supported NPT connections.
  • The no-preamp output requires a compatible high-impedance pH analyzer input.
  • A VP8 interconnecting cable is selected separately for the required installation length.
  • Process mounting must use the supported 3/4 in. or 1 in. NPT arrangement.
  • The general-purpose glass covers the documented 0 to 14 pH measurement range.
  • Low-resistance glass supports response in colder aqueous samples down to the stated limit.
  • The integral solution ground supports analyzer diagnostics where the connected transmitter provides them.
  • Routine cleaning removes process coating from the glass and porous PTFE junction.
  • Two-point buffer calibration evaluates slope and offset after cleaning.
  • A dry, uncontaminated VP8 connection protects the high-impedance measurement path.
Description
3900VP-02-10 uses the 02 no-preamp electronics option and the 10 general-purpose pH glass selection. The molded PPS body carries a double-junction reference and solution ground for durable insertion or submersion service.

Hydrogen-ion activity at the glass membrane creates the millivolt signal used by the connected analyzer to calculate pH. A VP8 connector separates the sensor from its interconnecting cable, simplifying sensor exchange without replacing the entire run.

Analyzer input compatibility, cable length, temperature element and process connection must be confirmed before installation. The absence of an internal preamplifier makes cable and analyzer matching particularly important for a stable high-impedance signal.
Alternative Names
3900VP-02-10 Emerson Rosemount 3900VP-02-10 3900VP 02 10 3900VP0210 3900VP-02-10 General-Purpose pH Sensor Emerson Rosemount Rosemount 3900 General-Purpose pH/ORP Sensors Emerson Rosemount 3900VP-02-10 General-Purpose pH Sensor
Technical notes
Keep the VP8 connector of 3900VP-02-10 clean and dry; moisture or contamination can destabilize the sensor's high-impedance pH signal.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
What do the option codes mean in Emerson Rosemount 3900VP-02-10?
Code 02 means no preamplifier, while code 10 selects general-purpose low-resistance pH glass.
Which analyzer input is appropriate for Emerson Rosemount 3900VP-02-10?
Use a compatible high-impedance pH input designed for a non-preamplified VP sensor.
What process duties suit Emerson Rosemount 3900VP-02-10?
It is intended for general aqueous pH monitoring in water, treatment and process installations.
How should Emerson Rosemount 3900VP-02-10 availability be requested?
Specify the full sensor code and required cable length so the exact configuration can be checked.
Which parts of the loop require inspection when replacing Emerson Rosemount 3900VP-02-10?
Inspect the VP8 cable, analyzer termination, process threads and wet-side condition before installing the new sensor.
What calibration information belongs with an Emerson Rosemount 3900VP-02-10 enquiry?
Include expected pH range, process temperature, mounting method, cable length and destination.