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pHionics - Model cmp-k -3/4" Compression Fitting
Custom-made 3/4 inch MNPT compression fitting for pipe mounting of one pHionics STs Series™ water quality sensor. Unlike compression fittings from other manufacturers, the cmp-k cannot be overtightened so there is no risk of damage to the sensor. This product is made from chemical-resistant PVDF to withstand harsh chemical conditions. Not suitable for pressurized in-line applications or temperatures above 30°C. See below for more information on proper installation of sensors using cmp-k.
- Part Number: cmp-k
- Thread Size: 3/4 inch MNPT
- Material: PVDF, PTFE spacers, Viton O-rings
- Dimensions: 1.75 x 1.25 in, (4.45 x 3.175 cm)
- Weight: 1.06 oz, (30 g)
Always place cmp-k close to the cable end. This allows for accurate temperature measurements and automatic temperature compensation as the temperature sensor is inside the metal housing.
Our 3/4 inch Kynar® compression fitting (Part # cmp-k) is designed for long-term pipe mounting of pHionics STs Series™ sensors. Mounting instructions are provided below.
- Piping with 3/4″ FNPT adapters. Example parts shown in the image above.
- pHionics cmp-k compression fitting
- pHionics STs Series™ sensor
- Sealant (if waterproofing is required)
1. Put sensor all the way through your pipe assembly.
2. Unscrew the compression cap until the entire fitting is loose enough to slide onto the sensor.
3. Slide fitting up sensor until it rests over the intersection between the cable connector and metal housing.
- This placement is necessary to expose sensor to the sample for accurate temperature compensation. The metal housing must also contact solution for noise reduction.
4. Twist compression fitting until it tightens on the sensor. No tools are needed to tighten sufficiently. 5. If waterproofing is required, add sealant around outer threads before screwing into pipe.
5. If waterproofing is required, add sealant around outer threads before screwing into pipe.
6. Screw compression fitting into the ¾” FNPT at the end of the pipe.
For any questions or feedback, please call or email pHionics support using the information provided on our Contact Page.
