THE SIMUTESTERS MODEL TTU4C HAS TWO INDEPENDENT FREQUENCY CHANNELS, A MILLIAMP CHANNEL, A CHANNEL FOR MILLIVOLTS OR THERMOCOUPLE SIGNALS, A BUILT- IN MULTIMETER, AND VARIOUS OTHER FEATURES. MOST OUTPUTS ARE AVAILABLE SIMULTANEOUSLY, MAKING THE INSTRUMENT SUITABLE FOR SIMULATING COMPLEX CONTROL SYSTEMS. THE INSTRUMENT IS HOUSED IN A PORTABLE CASE, WEATHER RESISTANT WHEN CLOSED. DISPLAYS AND MULTIMETER ARE MOUNTED IN THE LID. CONTROLS ARE MOUNTED IN THE BASE OF THE CASE. THE TTU3C IS IDENTICAL TO THE TTU4C WITH THE EXCEPTION THAT THE 3C HAS 1 FREQUENCY CHANNEL AND THE 4C HAS 2 FREQUENCY CHANNELS
These instrumemts are the standard of the industry and are used by most major organizations that service gas turbines.
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FREQUENCY CHANNELS
OUTPUT
FREQUENCY RANGE
1 HZ TO 25 KHZ
OUTPUT VOLTAGE
SQUARE WAVE
7.5 V P-P NO LOAD
4 V P-P 300 OHM LOAD
CONTROLLABILITY
+ / - 1 HZ
ISOLATED FROM ALL OTHER CIRCUITS
MONITORING - SPECS SAME AS FOR "INPUT"
INPUT
FREQUENCY RANGE
1 HZ TO 50 KHZ
SENSITIVITY
2.5 V P-P
RESOLUTION
1 HZ
ACCURACY
.02% OF READING + / - 1 HZ
UPDATE RATE
1 PER SECOND
ISOLATED FROM ALL OTHER CIRCUITS
MILLIAMP CHANNEL
OUTPUT
RANGE
0 TO 1 mA OR 0 TO 50 mA
CONTROL ABILITY
0.01 mA
MAX RESISTIVE LOAD
150 OHMS AT 20 mA
LOAD REGULATION
< 0.01 mA OUTPUT CHANGE FROM
SHORT CIRCUIT TO 100 OHM LOAD
INPUT
READ WITH INTERNAL MULTIMETER
RESOLUTION
0.01 mA
ACCURACY
0 - 20 mA
0.1 % OF READING + / - 0.01 mA
>20 mA
0.4 % OF READING + / - 0.01 mA
mV / THERMOCOUPLE SIMULATION CHANNEL
OUTPUT
mV RANGE
0 TO 50 mV
TC SIMULATE RANGE
TYPE K
AMBIENT TO 2295 DEG F
CONTROLLABILITY
0.01 mV OR 1 DEG F OR 1 DEG C
DRIVE
10 mA MAX
MONITORING
RESOLUTION, ACCURACY SAME AS FOR "INPUT"
INPUT
RANGE
0 TO 50 mV
RESOLUTION
0.01 mV OR 1 DEG F OR 1 DEG C
ACCURACY - mV
0.1 % OF READING + / - 1 mV
-TEMP
0.1 % OF READING + / - 2 DEG F OR + / - 1 DEG C
BUILT-IN MULTIMETER - MODIFIED FLUKE 75 ALL COMMON MULTIMETER FUNCTIONS, AUTO RANGING. POWERED BY INSTRUMENT SUPPLY. ELECTRICALLY ISOLATED FROM ALL OTHER CIRCUITS. PERMANENTLY MOUNTED IN THE INSTRUMENT LID. SOME ACCURACY'S ARE BETTER THAN STANDARD METER. DC MILLIAMP ACCURACY IS AS GIVEN IN "MILLIAMP CHANNEL".
INTERNAL BATTERY POWER
5 V DC NI. CAD. 2.0 AH CAPACITY
INSTRUMENT OPERATING TIME WITH FULLY CHARGED BATTERIES ---- 20 HOURS
CHARGE TIME
FROM 110 V AC
12 HRS
FROM 24 V DC
12 HRS
OPERATION FROM 110 V AC OR 24 V DC - THE INSTRUMENT MAY BE OPERATED FROM 110 V AC OR 24 V DC INDEFINITELY WITH NO PERFORMANCE DEGRADATION AND NO DAMAGE, WITH THE BATTERIES IN ANY CONDITION.
LOW BATTERY INDICATION - AUDIBLE TONE INDICATES BATTERY VOLTAGE IS LESS THAN 4.8 V. BATTERIES SHOULD BE RECHARGED.
ELECTRICAL ISOLATION - FREQUENCY INPUTS AND OUTPUTS ARE ISOLATED FROM EACH OTHER AND FROM ALL OTHER CIRCUITS. MULTIMETER IS ISOLATED FROM ALL OTHER CIRCUITS. mV / TEMP, mA, AND BATTERY HAVE COMMON CONNECTIONS.
SIMULTANEOUS SIGNAL GENERATION - ALL SIGNAL CONNECTION, BOTH IN AND OUT, MAY BE USED SIMULTANEOUSLY EXCEPT WHERE PRECLUDED BY SWITCH SETTINGS. E.G. mV AND THERMOCOUPLE INDICATION ARE NOT AVAILABLE SIMULTANEOUSLY. E.G. TWO FREQUENCY OUTPUTS, ONE THERMOCOUPLE SIMULATED SIGNAL, ANC mA OUT MAY ALL BE GENERATED SIMULTANEOUSLY.
DISPLAYS
TWO INDEPENDENT 5 DIGIT LED DISPLAYS
TOP DISPLAY INDICATES mV OR TEMP. F. OR TEMP. C.
BOTTOM DISPLAY INDICATES FREQUENCY CHANNEL 1 OR 2 OR AUXILIARY CHANNEL
3 USED
WITH OPTIONAL MULTISOURCE MODULES.
UPDATE RATE IS 1 PER SECOND
TOP DISPLAY CYCLES ON AND OFF TO INDICATE OPEN THERMOCOUPLE CONDITION.
PHYSICAL
CASE - NEMA 12 PORTABLE DRAWN ALUMINUM ENCLOSURE
SIZE - 10.25 in. HIGH, 11 in. WIDE, 7 in. DEEP
WEIGHT - LESS THAN 12 lbs. WITHOUT ACCESSORIES
ACCESSORIES
CALIBRATION CERTIFICATE
THREE 15 FOOT LONG CO-AXIAL TEST LEADS, TWO STACK ABLE BANANA ON ONE END
AND
TWO ALLIGATOR ON THE OTHER END.
AC POWER CORD