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431
/ 431M Series |
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434A
/ 434AM Series |
The
431, 431M, 434A, and 434AM Series offer the smallest-size strain
gage force transducers where good specification can still be
maintained. Operating in both tension and compression from forces of
50 grams to 10,000 pounds, these precision miniature load cells have a
rugged stainless-steel weld construction with a "tripled" stack
design to eliminate or minimize off-axis
loading effects. And the internal construction assures excellent
long-term stability for ranges of 1 kg and up.
All
the basic engineering concepts of larger load cells are built into these
instruments, including precision calibration, stabilizing diaphragms,
pressure compensation, etc. Each bonded strain gage unit is built of
welded 17-4 PH stainless steel for additional ruggedness.
Models
in the 431 and 431M Series have male threads, while the 434A
and 434AM Series have female threaded load attachments which
can accommodate the PLATFORM shown under Load
Cell Accessories.
General Specifications are
given below.
NOTE:
Maximum torque for installation of 431M Series units and of 431
Series units with ranges of less than 25 lb. is 12 lb.-in.
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431
and 431M Series
[Back
 ]
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Load
Cell
Model |
Nom.
Load
Capacity |
Dimensions
(in. / cm) |
"T"
Thread |
| "A" |
"B" |
"C" |
"D" |
"F" |
"H" |
|
431-5 |
±5
lb. |
0.31
0.79 |
0.19
0.48 |
0.25
0.64 |
0.75
1.91 |
0.05
0.13 |
0.45
0.11 |
#6-32
UNC |
|
431-10 |
±10
lb. |
|
431-25 |
±25
lb. |
0.50
1.27 |
0.25
0.64 |
0.25
0.64 |
1.00
2.54 |
0.03
0.76 |
0.52
1.32 |
#10-32
UNF |
|
431-50 |
±50
lb. |
| 431-100 |
±100
lb. |
|
431-250 |
±250
lb. |
0.50
1.27 |
0.25
0.64 |
0.38
0.97 |
1.00
2.54 |
0.03
0.76 |
0.52
1.32 |
1/4
- 28
UNF |
|
431-500 |
±500
lb. |
| 431-1K |
±1000
lb. |
|
431-2K |
±2000
lb. |
0.50
1.27 |
0.38
0.97 |
0.50
1.27 |
1.00
2.54 |
0.03
0.76 |
0.72
1.83 |
3/8
- 24
UNF |
|
431-3K |
±3000
lb. |
|
431-4K |
±4000
lb. |
0.50
1.27 |
0.38
0.97 |
0.63
1.60 |
1.25
3.18 |
0.03
0.76 |
0.94
2.39 |
1/2
- 20
UNF |
|
431-5K |
±5000
lb. |
|
431-7500 |
±7500
lb. |
0.50
1.27 |
0.38
0.97 |
0.88
2.24 |
1.38
3.51 |
0.03
0.76 |
1.10
2.79 |
3/4
- 16
UNF |
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431-10K |
±10000
lb. |
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431M-50 |
±50
g |
0.50
1.27 |
0.38
0.97 |
0.25
0.64 |
1.00
2.54 |
0.11
0.28 |
0.75
1.91 |
#6
- 32
UNC |
|
431M-150 |
±150
g |
| 431M-250 |
±250
g |
| 431M-500 |
±500
g |
| 431M-1K |
±1000
g |
0.31
0.79 |
0.19
0.48 |
0.25
0.64 |
0.75
1.91 |
0.05
0.13 |
0.45
0.11 |
#6
- 32
UNC |
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|
434A
and 434AM Series
[Back
]
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|
Load
Cell
Model |
Nom.
Load
Capacity |
Dimensions
(in. / cm) |
| "A" |
"B" |
"C" |
"D" |
"F" |
"H" |
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434A-5 |
±5
lb. |
0.31
0.79 |
0.19
0.48 |
0.72
1.83 |
0.75
1.91 |
0.60
1.52 |
1.75
4.45 |
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434A-10 |
±10
lb. |
|
434A-25 |
±25
lb. |
0.50
1.27 |
0.25
0.64 |
0.72
1.83 |
1.00
2.54 |
0.52
1.32 |
1.75
4.45 |
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434A-50 |
±50
lb. |
| 434A-100 |
±100
lb. |
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434A-250 |
±250
lb. |
0.50
1.27 |
0.25
0.64 |
0.75
1.91 |
1.00
2.54 |
0.75
1.91 |
2.00
5.08 |
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434A-500 |
±500
lb. |
| 434A-1K |
±1000
lb. |
|
434AM-50 |
±50
g |
0.50
1.27 |
0.38
0.97 |
0.52
1.32 |
1.00
2.54 |
0.52
1.32 |
1.75
4.45 |
|
434AM-150 |
±150
g |
| 434AM-250 |
±250
g |
| 434AM-500 |
±500
g |
| 434AM-1K |
±1000
g |
0.31
0.79 |
0.19
0.48 |
0.72
1.83 |
0.75
1.91 |
0.60
1.52 |
1.75
4.45 |
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| General
431(M), 434A(M) Series Specifications [Top
]
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|
Full-Scale
Deflection |
0.0005
in. to 0.0020 in. |
|
Bridge |
431
and 434A Series: Four-arm
bonded foil gages, 350
Ω nominal
431M and
434AM Series (50 through 500 g): Four-arm
bonded semiconductor gages, 500 Ω nominal
431M and
434AM Series (1000 g): Four-arm
bonded foil gages, 350
Ω nominal |
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Insulation
Resistance |
5000 MΩ at 50 VDC |
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Excitation
(calibration) |
431
and 434A Series (5 and 10 lb.): 5.0 VDC
431 and 434A Series (25 lb. and greater): 10.0 VDC
431M and 434AM Series: 5.0 VDC* |
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Output
(standard)** |
431
and 434A Series: 2 mV/V
431M and 434AM Series (50 and 150 g): 0.1 mV/V/g, max.
431M and 434AM Series (250 and 500 g): 20 mV/V
431M and 434AM Series (1000 g): 1.5 mV/V, nominal |
|
Resolution |
Infinite |
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Linearity
and Hysteresis |
431
and 434A Series (5 through 250 lb.): ±0.15% of full scale
431 and 434A Series (500 through 10000 lb.): ±0.2% of full
scale
431M and 434AM Series: ±0.15% of full scale |
|
Repeatability |
431
and 434A Series: ±0.05% of full scale
431M and 434AM Series: ±0.1% of full scale |
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Overload
Capacity |
150%
of nominal rating (static) |
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Temperature
Coefficient (Zero and Span) |
431
and 434A Series: ±0.005% of full scale/°F
431M and 434AM Series (50 through 500 g): ±0.015% of full
scale/°F
431M and 434AM Series (1000 g): ±0.005% of full scale/°F |
|
Compensated
Temperature Range |
+60° F to
+160° F (+16°
C to +71° C) |
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Operating
Temperature Range |
-65° F to
+250° F (-54°
C to +121° C) |
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Weight
(nominal) |
431
and 431M Series: 1.6 oz.
434A and 434AM Series: 2.5 oz. |
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*
431M and 434AM Series load cells require factory adjustment
of excitation voltage when used with Daytronic Strain Gage
conditioners.
** Optional 0-5 VDC or 4-20 mA output is available (contact
the factory for details). Shunt calibration data is
included with the transducer. Standard calibration is in
tension only. |
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