Functional Test; Maintenance, Accessories - WIKA LS-10 Manual De Instrucciones

7. Starting, operation
Specifications Model LS-10 / LH-10
Pt100 » only model LH-10
„ I max mA
„ I meas mA
Max. load R R in Ohm
A A
Current signal output U in VDC
B
Voltage signal output
Insulation voltage VDC
Use NEC Class 02 power supply (low voltage and low current max. 100 VA even
3)
under fault conditions)
Accuracy % of span
4) Including non-linearity, hysteresis, zero point and full scale error (corresponds to
error of measurement per IEC 61298-2).
Adjusted in vertical mounting position with lower pressure connection.
Non-linearity % of span
Non-repeatability % of span
1-year stability % of span
Permissible temperature of
Medium
5)
Storage
5)
Also complies with EN 50178, Tab. 7, Operation (C) 4K4H, Storage (D) 1K4,
5)
Transport (E) 2K3
Compensated temp range
Temperature coefficients within
compensated temp range
„ Mean TC of zero % of span
„ Mean TC of range % of span
10 WIKA Operating instructions/Betriebsanleitung/Mode d'emploi/Instrucciones de servicio LS/LH-10
- 3
- 1
R ≤ (U - 10 V) / 0.02 A - (0.14 Ohm x cable length in m)
A B
- R > 100 kOhm
A
500 3) 500 3)
≤ 0.25
4) (≤ 0.5 with pressure
≤ 0.5
4)
ranges < 0,25 bar)
≤ 0.2
(BFSL) according to IEC 61298-2
≤ 0.1
≤ 0.2 (at reference conditions)
-10 ... +50 °C +14 ... +122 °F -10 ... +50 °C
{-10 ... +85 °C option FEP-cable}
{+14 ... +185 °F option FEP-cable}
-30 ... +80 °C -22 ... +176 °F -30 ... +80 °C
0 ... +50 °C +32 ... +122 °F 0 ... +50 °C
≤ 0.2 / 10 K (< 0.4 for pressure range ≤ 250 mbar)
≤ 0.2 / 10 K ≤ 0.2 / 10 K
GB
7. Starting, operation / 8. Maintenance, accessories
Specifications
CE- conformitiy
EMC directive
„
Wiring protection
Short-circuit proofness
„
„ Reverse polarity protection
Weight
Level probe
„
„
Cable
„ Additional weight
{ } Items in curved brackets are optional extras for additional price.

Functional test

The output signal must be proportional to the pressure. If not, this might point to a
+14 ... +122 °F
damage of the diaphragm. In that case refer to chapter 10 „Troubleshooting".
„
!
-22 ... +176 °F
„
Warning
+32 ... +122 °F

8. Maintenance, accessories

„ WIKA pressure transmitters require no maintenance.
„ Have repairs performed by the manufacturer only.
WIKA Operating instructions/Betriebsanleitung/Mode d'emploi/Instrucciones de servicio LS/LH-10
Model LS-10 / LH-10
2004/108/EEC, EN 61 326 Emission (Group 1, Class B) and Immunity
(industrial locations)
Sig+ towards UB-
UB+ towards UB-
kg
Approx. 0.18
Approx. 0.08
Approx. 0.50
Observe the ambient and working conditions outlined in section 7 „Technical
data".
Please make sure that the pressure transmitter is only used within the over-
load threshold limit at all times!
GB
{Lightning protection
EN 61000-4-5; 1,5J}
Approx. 0.20
Approx. 0.08
Approx. 0.50
11