The PPM-HLW-2B is especially designed for online measurement of moisture content in oil. With advanced technology, the PPM-HLW-2B is very sensitive to moisture content in oil and it is able to real time monitor the water content in oil online.
Measuring oil: lubricant oil, hydraulic oil, engine oil, fuel, insulating oil, turbine oil, etc.
Features
- The ability to measure dissolved water, free water, emulsified water.
- High sensitivity to water content.
- Special grounding technology adopted, high reliability and stability.
- Well-designed probe structure, easy to clean.
- Oil field, petroleum refining, oil storage warehouse, gas station.
- Wind power, hydropower, thermal power, transformer substation.
- Engineering machinery, vehicle, railway locomotive.
- Steel, metallurgy, industrial production line.
- Aviation, ship machinery.
Moisture content range | 0~5%, 0~10%, 0~20% |
Accuracy | 0.3%(typical), 0.5% |
Resolution | 0.1% |
Temperature range | -40~120ºC |
Accuracy | 0.3%(typical), 0.5% |
Resolution | 0.1% |
Output signal | Digital signal: RS485 Analog signal:4~20mA alternative |
Power supply | 9~28V DC, load current<5mA |
Pressure range | <100bar |
Operation temperature | -40~85ºC |
Oil temperature | -40~120ºC |
Process connection | G1/2'' BSP |
Electric connection | M8*1, 6 core cable |
Cable | 6 core, 2m, UL20866, 6*22AWG |
EMC | EN 61000-6-4:2007, EN 61000-6-2:2005 |
Housing material | SS316L |
Ingress protection | IP66 |
Weight | 0.25kg |
Dimension in mm

Wiring diagram

Product series
Pressure transmitter Temperature sensor Differential pressure sensor
Indicator Load cell Oil Analysis
Application
1. Oil well drilling and servicing,
2. Acidizing, Choke Manifolds, Extraction,
3. Fracturing and Cementing, Mud Pumps,
4. New Well development, Nitrogen Injection,
5. Service and Cement Trucks, Standpipe,
6. Stimulation and Well head measurement.
Our Services
1, MOQ: One sample order is acceptable.
2, Price term : EXW, FOB Changsha.
3, Payment: Western union, Paypal for samples order; T/T 30% deposit, 70% T/T before shipment for order.
4, Packing: Standard export packing, including instructions and certificate.
5, Leading time : 5-10days for samples, 10-30 days for mass production.
6, OEM/ODM is available.
7, Shipment: Express (FedEx, DHL, UPS & TNT) or forwarder.
8, Warranty: One year free repair for quality warranty, and lifetime free online after-service.
Company information
Why Choose CSPPM?
Factory Experience: More than 12 years specialized in pressure sensor industry.
Technical: Central south university sensing technology research.
OEM & ODM Service: Accept , Own R&D group.
Quality Assurance: Lifetime technical supports and 12 month warranty.
Industry Certification: CE, Rosh, ATEX Certification.
Our Certificates
Exhibition:
Buying Guide
In order to recommend you the most suitable sensor , please show us following necessary information according to your practical situation.
1.what is your application?
2.what purpose do you want to get?
3.what is your medium ? and working temperature?
4.what is your requirement on specification, including as below:
A, Pressure range ? B. Power supply? C. Output signal? D. Accuracy?
E. Process connection? F. Screw size? G.Whether need cable?
H. Package and label requirements?
Your other requirement will be welcome.
FAQ
Q: How long will you give me the reply?
A: we will contact you as soon as we can.
Q:Could I visit your factory?
A: Sincerely welcome you to visit our factory.
Q: Do you provide samples ?
A: Yes, we have materials in stock to help you to get the samples as soon as we can.
Q: How about the quality of the managements ?
A: We have a complete quality control system , all of our products will be fully pre-inspection by QC departments before shipping to you .
Q: What is the warranty for your product ?
A: Warranty: 1 years, and lifetime maintenance online after-service.
Sales Manager Louise Li
Address: No. 188, Huanbao Road, Yuhua Zone, Changsha, Hunan, China