Model: TF791D

Modulation Meter

Special Features:

Direct measurement of deviation from 200 hz to 125 khz, extended down to 10 hz using external readout; modulation frequency range: 50 hz to 35 khz; crystal locking allows measurement of fm noise; built-in deviation standard ensures high accuracy

Properties:

Circuit Current For Which Designed
Ac
Overall Length
18.000 inches
Overall Height
11.000 inches
Overall Width
13.000 inches
Scale Division Quantity
1 single indicator single range
Frequency Rating
Between 40.0 hertz and 100.0 hertz
Furnished Items And Quantity
1 coaxial free plug, type bnc
Indicator Type
Dial w/pointer
Installation Design
Bench
Frequency Response Range
+4.000 to 1024.000 megahertz
Dial Scale Marking Color
Black single indicator single range
Accuracy In Percent
-3.0 to 3.0 at full scale single indicator single range
Background Color
White single indicator single range
Pointer Color
Black single indicator single range
Power Source
External
Scale Graduation Type
Linear single indicator single range
Measurement Range
+4.0 to 1024.0 megahertz single indicator single range
Scale Selection Method
Switch
Features Provided
Internal frequency calibrating crystal
Operating Voltage Rating In Volts
Between 200.0 ac and 250.0 ac
Phase
Single
Functional Description
Direct reading fm deviation meter with calibrated carrier frequency range and 4 deviation ranges
Material
Aluminum
Style Designator
D1 rectangular or square
Style Designator
Rectangular or square
NSN
6625-00-060-3320
Part Number
TF791D
Description
Meter,modulation
CAGE
51190

An instrument which measures the relative amount of modulation present in an electrical wave form and is usually calibrated in percent or kilohertz (kilocycles) deviation. The value may be expressed by means of a pointer and calibrated dial or a digital readout display.

Part TF791D NSN 6625-00-060-3320

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
16446
FIIG:
A310A0
Concept No.:
App. Key:
A
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
P
PMIC:
A
ESD:
ESD:
MMAC:
RH
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
36.5 X 26.5 X 19.0
Paclk Weight:
75.6000lbs
Item Weight:
0.0000lbs
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
SPI No.:
F000004XE9
SPI Rev.:
SPC Mkg:
00
LVL_A:
LVL_B:

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
136740
UFC:
68820
LTL:
100.0
LCL:
--
WCC:
657
TCC:
Z
SHC:
Q
ACC:
Equipment for Aircraft

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Schedule B and Export
  • Schedule B: 9030908030
  • SITC: 87479
  • End Use: Measuring, testing, control instruments
  • NAICS: 334515
  • USDA: 1

Freight Class: Parts and accessories of articles of schedule b subheading 9030.39

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