ROSEMOUNT 3900 General Purpose pH/ORP Sensors

ROSEMOUNT 3900 General Purpose pH/ORP Sensors

You are currently viewing ROSEMOUNT 3900 General Purpose pH/ORP Sensors

SMART preamplifier-stores calibration and other data.
 Extended sensor life provided by double junction reference.
 Enhanced performance and increased life with minimized glass cracking provided by field-proven
AccuGlass™ pH glass formulations.
 VP8 quick cable-to-sensor release, provided by the watertight VP8 multiple-pin connector,
eliminates cable twisting.
 Maximum chemical resistance provided by rugged polyphenylene sulfide body,
completely sealed to eliminate sensor leakage.
 NEW ¾” and 1” mounting solutions to meet a variety of application
installation requirements.
 Optimum versatility with various mounting options
provided by one-piece construction with process
threads in two places.
 Operates in sub-zero temperatures

down to -10°C (14°F).

Physical Performance and
Sensor Type: General purpose 3900
Measured Range: pH: AccuGlass 0-14
ORP: -1500 to +1500 mV
Percent Linearity Over pH Range:
Operating Temperature: -10° to 100°C (14° to 212°F) Automatic
temperature compensation -10° to 100°C (14° to 212°F)
Maximum Pressure: 790 kPa [abs] (100 psig) at 100°C (212°F)
CRN rating: 60 psig up to 100°C (212°F).
Materials of Construction: stainless steel, glass, Teflon®,
polyphenylene sulfide (PPS), EPDM and silicone
Materials of ORP: Platinum
Process Connections:
Front facing: ¾˝ and 1˝ MNPT
Rear facing: 1˝ MNPT
Integral Cable: 32 ft (10m) cable with integral preamp;
۱۵ ft (4.7m) cable without preamp sensor
VP8 Cable: use 24281-XX, 2.5 ft (.8m) to 100 ft (31m)
Weight/Shipping Weight: 0.45 kg/0.9 kg (1 lb/2 lb)

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