Keller Swiss-Built Series 41X High resolution low range analog digital output pressure transmitter
The Series 41 X combines the ceramic measurement cell for low pressure ranges with the µP electronics of the digital Series 30 transmitter. The pressure values from the signals of the pressure and temperature sensors are determined by polynomial compensation (see reverse). The values can be displayed and stored on a PC via an RS485 interface and programming can also be carried out. The transmitters are calibrated to the base range. The PROG30 software permits programming of the analog output signal in each section of the range within the base range (e.g. range 100 mbar. Output 4…20 mA for 20…60 mbar). With KELLER RS converters K-100 Series, up to 128 transmitters can be hooked together into a bus system and read by means of a PC or laptop. READ30 software allows the current pressure of each transmitter to be read or the pressure activity of several transmitters to be recorded or stored whilst “on line”.
Specifications
Standard FS Pressure Ranges
PR-41 X (relative) PD-41 X (diff.) 30 100 300 mbar
Overpressure 300 1000 1500 mbar
Neg. Overpressure 30 100 300 mbar
2-Wire 3-Wire
Supply (UB
) 41 X 8…28 VDC 13…28 VDC
Supply (UB
) 41 X Ei 10…30 VDC 15…30 VDC
Analog Output (scaleable) 4…20 mA 0…10 V
Load (kΩ) <(UB
-UBmin.
) / 20 mA ≥ 100
Error Band typ.* ± 0,1 %FS ± 0,2 %FS
Error Band max.* ± 0,2 %FS ± 0,3 %FS
* Within the compensated temperature range
Stability FS ≥ 100 mbar: ± 0,1 %FS FS ≤ 100 mbar: ± 0,1 mbar
Operating Temperature -20…80 °C
Compensated Range 10…50 °C
Pressure Connection G1/4” male, Viton®
flat seal
Electrical Connection Binder Series 723 (5 pole)
Material in Contact with Media Stainless steel (AISI 316L), Nitril O-ring,
gold-coated ceramic diaphragm
PD-Reference side Non-aggressive dry gases
Protection / Weight IP 40 / ca. 190 g
Special Versions - IP 67
- Alternative plugs (see front page)
- Cable version
- Pressure ranges neg./pos.: Example: -10…+10 mbar
- Intrinsically safe version for use in explosion exposed
areas (must only be used in combination with certified
intrinsically safe equipment!)
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