
Technical data
Service pressure
PN 40, 32 bar at 238°C
Mechanical connection
NRGT 26-61: Screwed G 3⁄4 A, ISO 228
NRGT 26-61S: Flange DN 50, PN 40, DIN EN 1092-01
Materials
Screw-in body: 1.4571, X6CrNiMoTi17-12-2 Electrode rod insulation: PTFE
Terminal box: 3.2161 G AlSi8Cu3
NRGT 26-1S: Flange 1.0460 P250GH
NRGT 26-1S: Spacer disc: PTFE
Length of installation / measuring range
| 
 NRGT 26-1  | 
 NRGT 26-1S  | 
||
| 
 Length of instal- lation at 238° C  | 
 Measuring range  | 
 Length of instal- lation at 238° C  | 
 Measuring range  | 
| 
 373  | 
 300  | 
 316  | 
 275  | 
| 
 477  | 
 400  | 
 420  | 
 375  | 
| 
 583  | 
 500  | 
 526  | 
 475  | 
| 
 688  | 
 600  | 
 631  | 
 575  | 
| 
 794  | 
 700  | 
 737  | 
 675  | 
| 
 899  | 
 800  | 
 842  | 
 775  | 
| 
 1004  | 
 900  | 
 947  | 
 875  | 
| 
 1110  | 
 1000  | 
 1053  | 
 975  | 
| 
 1214  | 
 1100  | 
 1157  | 
 1075  | 
| 
 1319  | 
 1200  | 
 1262  | 
 1175  | 
| 
 1423  | 
 1300  | 
 1366  | 
 1275  | 
| 
 1528  | 
 1400  | 
 1471  | 
 1375  | 
| 
 1636  | 
 1500  | 
 1579  | 
 1475  | 
| 
 2156  | 
 2000  | 
 2099  | 
 1975  | 
Weight
NRGT 26-61: approx. 1.8 kg
NRGT 26-61S: approx. 8.0 kg
Electronic circuit board Supply voltage
24 V AC/DC
AC +/– 20%
DC +10 / –45%
115 V +/– 10%, 50/60 Hz (option) 230 V +/– 10 %, 50/60 Hz (option)
Power consumption
3 VA at 24 V DC
5 VA at 24, 115, 230 V AC
Fuse
External slow-blow 0.5 A
Internal thermal fuse Tmax = 102°C
Sensitivity of response
Range 1: Water ≥ 20 μS/cm
Range 2: Water ≥ 0.5 μS/cm
Range 3: Fuel oil EL, dielectric constant εr 2,3
Output
Actual value output 4 – 20 mA, level proportional. Electrically insulated, max. load 500 Ω
