Product Description
🔹 General Information
|
Manufacturer |
Bently Nevada |
|---|---|
|
Series |
3500/72M |
|
Model/Part Number |
3500/72M |
|
Description |
3500/72M Recip Rod Position Monitor |
🔹 Description
-
The 3500/72M is a four-channel monitoring module designed to receive input from proximity transducers.
-
It conditions signals to provide both dynamic and static rod position measurements.
-
Equipped with programmable alarm settings to compare against these measurements for monitoring and protection of reciprocating compressors.
🔹 Specifications
Inputs
|
Parameter |
Specification |
|---|---|
|
Input Channels |
1 to 4 proximity probe signals |
|
Input Impedance |
10 kΩ |
Environmental Limits
|
Condition |
Temperature Range |
|---|---|
|
Operating Temp (Standard I/O Modules) |
-30°C to +65°C (-22°F to +149°F) |
|
Operating Temp (Barrier I/O Modules) |
0°C to +65°C (32°F to +149°F) |
|
Storage Temperature |
-40°C to +85°C (-40°F to +185°F) |
|
Humidity |
95% RH, non-condensing |
🔹 Physical Characteristics
Monitor Module (Main Board)
|
Dimensions (H × W × D) |
Weight |
|---|---|
|
241.3 × 24.4 × 241.8 mm |
0.91 kg (2.0 lb) |
|
(9.50 × 0.96 × 9.52 in) |
I/O Module (Non-barrier)
|
Dimensions (H × W × D) |
Weight |
|---|---|
|
241.3 × 24.4 × 99.1 mm |
0.20 kg (0.44 lb) |
|
(9.50 × 0.96 × 3.90 in) |
I/O Module (Barrier)
|
Dimensions (H × W × D) |
Weight |
|---|---|
|
241.3 × 24.4 × 163.1 mm |
0.46 kg (1.01 lb) |
|
(9.50 × 0.96 × 6.42 in) |
🔹 Ordering Information
|
Part Number Format |
3500/72M - AA - BB |
|---|
A: I/O Module Type
|
Code |
Description |
|---|---|
|
01 |
Internal Terminations |
|
02 |
External Terminations |
|
03 |
Internal Barriers with Internal Terminations |
B: Hazardous Area Approval
|
Code |
Approval |
|---|---|
|
00 |
None |
|
01 |
cNRTLus (Class 1, Division 2) |
|
02 |
ATEX/IECEx/CSA (Class 1, Zone 2) |
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