Cảm biến đo mức nước Gestra NRG 26-21
Technical data
Service pressure
PN 40, 32 bar at 238°C
Mechanical connection
NRG 26-21: Screwed G 3⁄4 A, ISO 228
Materials
Screw-in body: 1.4571, X6CrNiMoTi17-12-2
Electrode rod insulation: PTFE
Length of installation / measuring range
|
NRG 26-21 |
|
|
Length of instal lation at 238° C |
Measuring range |
|
373 |
300 |
|
477 |
400 |
|
583 |
500 |
|
688 |
600 |
|
794 |
700 |
|
899 |
800 |
|
1004 |
900 |
|
1110 |
1000 |
|
1214 |
1100 |
|
1319 |
1200 |
|
1423 |
1300 |
|
1528 |
1400 |
|
1636 |
1500 |
|
2156 |
2000 |
Weight
NRG 26-21: approx. 1.8 kg (NRG 26-21 L=1000mm)
Pre-ampli er NRV 2-29
Supply voltage
12 V DC
Sensitivity of response
Range 1: Water ≥ 20 μS/cm
Range 2: Water ≥ 0.5 μS/cm
Range 3: Fuel oil EL εr 2,3
Output
≥ 0 – ≤ 7 V DC, level proportional
Adjustor
1 Code switch with 6 poles for setting the measuring range
Housing
PPO (Noryl®)
Electrical connection
1 Screw-type terminal strip with 3 poles, cable gland with integrated cable clamp M 16
Protection
IP 65 to DIN EN 60529
Max. admissible ambient temperature
Max. 70 °C
Approvals:
TÜV type approvals acc. to VdTÜV Bulletin “Wasserstand 100”: Requirements made on water level limiting & control equipment.
Type approval: TÜV · WR · XX-317, XX-320, XX-425, XX-426, XX-427 (see name plate)
