Product Description
🔹 General Information
|
Manufacturer |
Bently Nevada |
|---|---|
|
Series |
Not specified |
|
Model/Part Number |
990-05-50-01-01 |
|
Description |
990 Vibration Transmitter |
🔹 Description
The 990 Vibration Transmitter is intended for OEMs (Original Equipment Manufacturers) of centrifugal air compressors, small pumps, motors, or fans. It provides a simple 4-20 mA proportional vibration signal as input to machinery control systems.
🔹 Environmental Limits
|
Property |
Value |
|---|---|
|
Transmitter Operating Temperature |
-35°C to +85°C (-31°F to +185°F) |
|
Storage Temperature |
-52°C to +100°C (-62°F to +212°F) |
|
Probe Operating Temperature |
-52°C to +177°C (-62°F to +351°F) |
|
Storage Temperature |
-52°C to +177°C (-62°F to +351°F) |
|
Relative Humidity |
100% condensing, non-submerged (with protection of coaxial connectors) |
🔹 Mechanical Specifications
|
Property |
Value |
|---|---|
|
Transducer Tip Material |
Polyphenylene sulfide (PPS) |
|
Transducer Case Material |
AISI 303 or 304 Stainless Steel (SST) |
|
Probe Cable |
75Ω coaxial, fluoroethylene propylene (FEP) insulated |
|
Cable Armor |
Optional flexible AISI 302 SST with optional FEP outer jacket |
|
Tensile Strength |
222 N (50 lbf) probe case to probe lead, maximum |
|
Transmitter Weight |
0.43 kg (0.9 lbm) |
|
Total System Weight |
0.82 kg (1.8 lbm) typical |
🔹 Ordering Information Breakdown – 990-05-50-01-01
|
Field |
Code |
Description |
|---|---|---|
|
A |
04 |
Full-scale Option: 0-4 mils pp (0-100 μm pp) |
|
B |
50 |
System Length Option: 5.0 meters (16.4 feet) |
|
C |
01 |
Mounting Option: 35 mm DIN rail clips |
|
D |
00 |
Agency Approval Option: Not required |
🔹 Probe Cable and Mounting Options
|
Option |
Description |
|---|---|
|
A Full-scale Option |
04: 0-4 mils pp (0-100 μm pp), 05: 0-5 mils pp (0-125 μm pp), 08: 0-8 mils pp (0-200 μm pp), 10: 0-10 mils pp (0-250 μm pp) |
|
B System Length Option |
50: 5.0 meters (16.4 feet), 70: 7.0 meters (23.0 feet) |
|
C Mounting Option |
01: 35 mm DIN rail clips, 02: Bulkhead screws, 03: DIN clips and screws |
|
D Agency Approval Option |
00: Not required, 01: CSA Division 2, 05: CSA Division 2, ATEX Zone 0, ATEX Zone 2, and ABS maritime approval |
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