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Specifications and Ordering Information 

Part Number 141500-01 

Rev. J (06/07) 

 

Page 2 of 6 

Specifications 

Inputs 

Signal: 

Accepts one or two proximity 
probe signal inputs. 

Input 
Impedance:

 

10 k 

Sensitivity: 

User-programmable for 200 
mV/mil  (8 V/mm) or 100 mV/mil (4 
V/mm). 

Power:

 

Nominal consumption of 1.5 
watts. 

Signal Conditioning 

Accuracy: 

Within ±0.33% of full-scale 
typical, ±1% maximum.  All 
specified at temperature of +25

°

(+77

°

F). 

Outputs

 

Recorder: 

User-programmable for +4 to +20 
mA, 0 to -10 Vdc, or +1 to +5 Vdc. 
Voltage or current outputs are 
proportional to programmed 
monitor full-scale. Independent 
recorder outputs are provided for 
each channel. Monitor operation 
is unaffected by short-circuits on 
recorder outputs. 

Recorder 
Accuracy (in 
addition to 
signal 
conditioning 
accuracy) at 
+25°C (+77°F): 

• 

+4 to +20 mA:

 

±

0.7% of 

signal, 

±

0.09 mA offset. 

• 

+1 to +5 Vdc:

 

±

1.1% of 

signal, 

±

10 mV offset. 

• 

0 to -10 Vdc:

 

±

1.1% of 

signal, 

±

15 mV offset. 

Output 
Impedance 
(voltage 
outputs): 

100 

.  Minimum load resistance 

is 10 k 

Voltage 
Compliance 
(current 
outputs): 

0 to +12 Vdc range across load. 
Load resistance is 0 to 600 

 

when using +4 to +20 mA option. 

Buffered 
Transducer 
Outputs: 

There is one coaxial connector 
per channel on the front panel 
and one terminal connection per 
channel on the rear panel. All are 
short-circuit protected. 

Output 
Impedance: 

100 

Transducer 
Supply Voltage: 

User-programmable in power 
supply for -24 Vdc or -18 Vdc. 
Current limited on individual 
monitor circuit board. 

Note: 

Contact your nearest sales professional if 3000 series 

transducers are to be used in the monitoring system which also 
uses 3300 and/or 7200 series transducers. 

Alarms 

Alarm 
Setpoints: 

Both alarms (Alert and Danger) 
are bi-directional (normal and 
counter), digitally adjustable from 
0 to 100% of full-scale and can be 
set within LCD resolution (±1.6%) 
to desired level. Once set, alarms 
are repeatable within 0.39% of 
full-scale. 

Summary of Contents for 3300

Page 1: ... gap voltage of the proximity probe used as an input a transducer failure gap out of range can be interpreted by the monitor as thrust position movement and result in a false thrust alarm For this reason Bently Nevada LLC does not recommend the use of a single probe for thrust position applications Instead these applications should use two proximity probes observing the same collar or shaft and co...

Page 2: ...Vdc 1 1 of signal 10 mV offset 0 to 10 Vdc 1 1 of signal 15 mV offset Output Impedance voltage outputs 100 Ω Minimum load resistance is 10 k Ω Voltage Compliance current outputs 0 to 12 Vdc range across load Load resistance is 0 to 600 Ω when using 4 to 20 mA option Buffered Transducer Outputs There is one coaxial connector per channel on the front panel and one terminal connection per channel on ...

Page 3: ...status individually for Alert and Danger Flashing alarm LED indicates First Out independent for Alert and Danger Bypass Two red LEDs indicate status of Danger Bypass and Rack Channel Bypass functions individually per channel Environmental Limits Operating Temperature 0 C to 65 C 32 F to 150 F Storage Temperature 40 C to 85 C 40 F to 185 F Relative Humidity To 95 noncondensing CE Mark Directives EM...

Page 4: ...e to be used in a monitoring system which also uses 3300 and or 7200 Series transducers C Alarm Relay Option 0 0 No Relays 0 1 Epoxy sealed 0 2 Hermetically sealed 0 3 Quad Relay Epoxy sealed only 0 4 Spare Monitor No SIM SIRM Notes 1 AND voting logic is not available with Quad Relays 2 At least one relay module must be ordered with each 3300 System If one common relay module per system has been o...

Page 5: ...Latching Nonlatching Danger Reset Mode Option Latching Nonlatching Alert Relay Mode Option Normally de energized Normally energized Danger Relay Mode Option Normally de energized Normally energized Recorder Outputs Option 4 to 20 mA 1 to 5 Vdc 0 to 10 Vdc Danger Relay Voting Option AND voting for relay drive OR voting for relay drive Note For Quad Relays AND voting logic must be done externally by...

Page 6: ...WR COM IN BUF REC NC ARM NO NC NO ARM Channel A Channel B To Channel A Recorder To Channel B Recorder Output Alert Relay Danger Relay Contacts Dual Relays Shown Quad Relays also available 3 Conductor Proximitor Channel B Channel A Shaft Thrust Collar BUFFERED TRANSDUCERS DANGER A A B B GAP ALERT BYPASS ALERT 5 5 L DANGER OK 25 0 25 20 T N 15 E R 4 10 E M E C A O U N T C 8 20 15 10 I P S D 0 12 L S...

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