NMT532 Series Spare Parts Overview
NMT532 is a transmitter series widely used in industrial fields, and its spare parts management directly affects equipment maintenance efficiency and operational reliability. This article compiles a list of commonly used spare parts for NMT532 and its compatible models (NMT535/NMT536/NMT538/NMT539), including order numbers, descriptions, recommendation levels, and applicable positions.
All spare parts are marked with recommendation level (S) and group number, making it easy to quickly locate them by functional module. Procurement and technical personnel can directly refer to the table below for selection based on the actual model and fault location.
Spare Parts Details Table
The table below lists the complete parameters of core spare parts for the NMT532 series, including order number, description, recommendation level, group number, and functional classification.
| Order Number | Description | Recommended | Group | Functional Classification |
|---|---|---|---|---|
| 017803-0043 | O-ring, dimensions: D88mm×d3mm, material: NBR, for electrical box, applicable to NMT532/NMT535/NMT536/NMT538/NMT539 | S | 11 | O-ring |
| 017803-0044 | O-ring, dimensions: D73mm×d3mm, material: NBR, for terminal box, applicable to NMT532/NMT535/NMT536/NMT538/NMT539 | S | 11 | O-ring |
| 70106024 | Cover, NMT terminal box cover, M88, color: E+H gray, material: cast aluminum, applicable to NMT532/NMT539 | S | 21 | Cover |
| 017802-0008 | Cover, NMT terminal box cover, M73, color: E+H gray, material: cast aluminum, applicable to NMT532/NMT535/NMT536/NMT539 | S | 21 | Cover |
| 70108677 | FM-certified module (Temp. v.184), HART ID: v.184, applicable to NMT532/NMT539 | S | 31 | Electronic |
| 58020200 | Terminal + EMC filter assembly, applicable to NMT532/NMT539 | S | 34 | Terminal Module |
Key Spare Parts Selection Points
Sealing Rings (O-rings)
Sealing rings are key components that ensure the transmitter's protection rating. The NMT532 series commonly uses two specifications: D88mm×d3mm for the electrical box and D73mm×d3mm for the terminal box, both made of NBR.
- Order number 017803-0043: electrical box seal, applicable to NMT532/535/536/538/539
- Order number 017803-0044: terminal box seal, applicable to NMT532/535/536/538/539
When replacing, confirm the dimensions and material to avoid water ingress or corrosion caused by seal failure.
Covers
Covers are available in two specifications, M88 and M73, made of cast aluminum, with a surface color of E+H gray. When selecting, pay attention to differences in applicable models.
- 70106024 (M88): only applicable to NMT532/NMT539
- 017802-0008 (M73): applicable to NMT532/NMT535/NMT536/NMT539
During installation, please check that the sealing surface is intact to ensure protection performance.
Electronic Modules and Terminal Assemblies
Electronic modules and terminal assemblies directly affect signal output and electromagnetic compatibility. The following two items are dedicated to NMT532/NMT539.
- 70108677: FM-certified module, HART ID v.184, suitable for hazardous area applications requiring FM certification
- 58020200: terminal + EMC filter assembly, used to improve interference resistance
When replacing electronic modules, confirm the HART version and certification requirements to avoid compatibility issues.
Procurement and Maintenance Recommendations
It is recommended to manage spare parts by group number: Group 11 for seals, Group 21 for covers, Group 31 for electronic modules, and Group 34 for terminal modules. The recommendation level for all is S, indicating standard recommended spare parts.
When purchasing, please verify the order number and applicable model, and give priority to original manufacturer spare parts to ensure performance and certification validity. Regularly checking the condition of sealing rings and covers can effectively extend the service life of the transmitter.