Product Description
General Information
|
Attribute |
Details |
|---|---|
|
Manufacturer |
Bently Nevada |
|
Series |
990 |
|
Model/Part Number |
990-05-XX-03-05 |
|
Model Type |
Vibration Transmitter |
Description
The 990 Vibration Transmitter is designed primarily for OEMs of centrifugal air compressors, small pumps, motors, or fans. It provides a simple 4 to 20 mA proportional vibration signal for input to the machinery control system.
Environmental Limits
|
Attribute |
Operating Temperature |
Storage Temperature |
|---|---|---|
|
Transmitter Temperature |
-35°C to +85°C (-31°F to +185°F) |
-52°C to +100°C (-62°F to +212°F) |
|
Probe Temperature |
-52°C to +177°C (-62°F to +351°F) |
-52°C to +177°C (-62°F to +351°F) |
|
Relative Humidity |
100% condensing, non-submerged, with protection of coaxial connectors |
Mechanical Specifications
|
Attribute |
Details |
|---|---|
|
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
|
Part Number |
Description |
|---|---|
|
990 |
Vibration Transmitter |
Part Number Format:
990-AA-BB-CC-DD
|
Option Code |
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 |