Digital pressure transmitter ILK NAK

IO-Link1/2" UNFM18 x 1,5

Overview The ILK series are hydraulic‑transmission pressure transmitters with IO‑Link digital output, designed for high‑temperature melt applications including molten sodium/potassium (NAK). Mercury‑free construction and high‑temperature diaphragm options allow operation at very high process temperatures. PLd and SIL2 approvals make the ILK suitable for functional safety applications.

Main features

• IO‑Link digital output (Industry 4.0 ready) providing diagnostic and auxiliary data
• Pressure ranges: 0–35 to 0–1000 bar (0–500 to 0–15000 psi)
• Accuracy: < ±0.25% FS (H); < ±0.5% FS (M)
• Standard process connections: 1/2‑20 UNF and M18x1.5
• Diaphragm options: Inconel 718 with GTP+ coating (up to 538°C); 15‑5 PH with GTP+ (up to 400°C); Hastelloy C276 (up to 300°C)
• Rangeability: 3:1; Auto‑zero function available
• Functional safety: PLd and SIL2 approvals
• Hydraulic pressure transmission; mercury‑free design for very high process temperatures

Applications / Use

• High‑temperature melt pressure measurement (e.g. molten sodium/potassium — NAK)
• Process control and safety loops requiring IO‑Link diagnostics and SIL2/PLd compliance
• High‑temperature processes where diaphragm material selection is critical

Technical specifications

• Series: ILK
• Output: IO‑Link digital (analog output options depending on configuration)
• Pressure ranges: 0–35 to 0–1000 bar (0–500 to 0–15000 psi)
• Accuracy classes: < ±0.25% FS (H); < ±0.5% FS (M)
• Standard threads: 1/2‑20 UNF; M18x1.5
• Diaphragm materials: Inconel 718 (GTP+), 15‑5 PH (GTP+), Hastelloy C276
• Max process temperatures: up to 538°C (Inconel 718 + GTP+)
• Rangeability: 3:1
• Safety approvals: PLd, SIL2
• Functions: Auto‑zero, signed pressure/auxiliary data and diagnostic information via IO‑Link