DR3704 Digital Pressure Data Logger
DR3704 Digital Pressure Data Logger
DR3704 from Fandesensor now offers data-logging capability with SD card to facilitate data logging, users can transfer the stored data to a PC or laptop in CSV file format, where they will see a time and date stamp against recorded pressures.
Applications
- Mechanical engineering
- Process control and automation
- Hydraulics and pneumatics
- Pumps and compressors
- Oil, water and gas
Features
- Back-lit visual display
- Pressure data logging
- SD card to store recorded data
- Support CSV file format
- Battery life is 3-5 years (sending interval is 1 hour)
- Internal clock
- Pressure progress bar display
- Battery indicator
- Five pressure unit switching (bar, psi, kPa, MPa, kg / cm2)
- Protection IP66
Technical Specs
Measurement range | -1bar-1000bar | Diaphragm | stainless steel 316L |
Medium type | Gas, water, oil, pure liquid | O-Ring | Viton |
Pressure type | gauge, absolute or sealed gauge | Support SD card | 32G mini SD card |
Display digits | -9999~9999 LCD backlight display | Recording times | Limited by SD card |
Overload | 200%FS | Working temp. | -40~70℃ |
Pressure accuracy | ± 0.1% FS / ± 0.2% FS / ± 0.5% FS (standard) | Explosion-Proof | Exib IIC T4 Gb |
Stability | ±0.20 %FS (1 year) | Pressure interface | NPT1/2 NPT1/4 G1/2 G1/4 M20 * 1.5 |
Standby current | <30uA | Protection level | IP66 |
Recording current | <20mA | Power supply | 3.6V Battery |
Housing | Aluminium alloy |
Ordering Guide
DR3704 | Digital Pressure Gauge | ||
Range | -1bar…0bar~0.1bar…1000bar | ||
[0~X]bar | X: the actual measured pressure | ||
Code | Notes | ||
C1 | M20x1.5 male, face type seal | ||
C2 | M20×1.5 male, waterline seal | ||
C3 | G1/2 male | ||
C4 | G1/4 male | ||
C5 | G1/4 male | ||
C6 | NPT1/2 male | ||
C7 | NPT1/4 male | ||
G | Gauge | ||
A | Absolute | ||
S | Sealed gauge | ||
DR3704- | [0~1]bar | C5G | the whole spec. |
FAQ
The difference between NPT BSPP BSPT and G seals?
NPT – American Taper Pipe Thread. BSPP (G) – British Standard Pipe Parallel. BSPT (R/Rp) – British Standard Tapered Pipe, for pipes and tapered thread.
BSPT (British Standard Pipe Taper) is similar to NPT except there are important differences. The angle across the flanks of threads is 55 degrees instead of 60 degrees as it is for NPT.
Female and Male thread of BSPP(G) are both parallel, but female thread of BSPT is parallel and male thread is tapered. the female thread of BSPT can also be tapered: Rc, but this is not common.
Another important difference is that NPT and BSPT need thread sealant to seal, and BSPP(G) is a parallel thread fitting that uses a bonded seal ring to do the sealing.

