Class-C Strain Gauges for Stress Analysis
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BCM class-C gauges are specially designed for application of stress analysis to be performed in some critic measurement conditions, like high temperatures (up to 250 °C), water proof, or high elongation.
As long as temperature induced error is not so important that it is not necessary to take into account temperature compensation, the class-C strain gauges are recommended to use for stress analysis in above-mentioned critic measurement conditions.
The class-C gauges are organised in gauge part numbers (P/N). In order to choose a proper gauge according to gauge P/N, we suggest you first refer to
Strain Gauge Coding System for a quick selection of the correct gauge.
Following tables list all class-C gauges available in stock for quick delivery.
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| 1. OKG series strain gauges for higher temperature measurements up to 250 °C, temperature compensation available |
| Gauge Pattern |
Gauge Part Number (P/N) |
Grid Dimensions
(L x W) in mm |
Backing Dimensions
(L x W) in mm |
|
85
 |
OKG-120-4AA-(**)
OKG-350-5AA-(**) |
3.9 x 2.6
5.0 x 4.1 |
8.0 x 4.4
9.4 x 5.7 |
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86
 |
OKG-350-3BB-(**)
OKG-350-4BB-(**) |
3.0 x 3.4
4.0 x 4.3 |
8.8 x 6.8
10.0 x 7.8 |
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87
 |
OKG-350-4HA-D-(**) |
4.0 x 3.3 |
8.2 x 8.2 |
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88
 |
OKG-350-4HA-E-(**) |
4.0 x 3.3 |
8.2 x 8.2 |
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89
 |
OKG-120-3BA-(**) |
3.0 x 2.5 |
10.8 x 10.8 |
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90
 |
OKG-120-3CA-(**) |
3.0 x 2.5 |
10.8 x 10.8 |
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91
 |
OKG-350-(10)KA-(**)
OKG-350-(15)KA-(**)
OKG-350-(20)KA-(**) |
Ø 9.0
Ø 14.0
Ø 19.0 |
Ø 10.0
Ø 15.0
Ø 20.0 |
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| 2. ECH series strain gauges for residual stress measurement |
| Gauge Pattern |
Gauge Part Number (P/N) |
Grid Dimensions
(L x W) in mm |
Backing Dimensions
(L x W) in mm |
|
92
 |
ECH-120-2CA-K |
2.0 x 1.5 |
9.3 x 9.3 |
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93
 |
ECH-120-2CD-K
ECH-120-3CD-K |
2.0 x 1.5
3.1 x 1.8 |
dia = 14.0
dia = 16.0 |
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| 3. OCA and OKA series strain gauges for crack propagation measurement |
| Gauge Pattern |
Gauge Part Number (P/N) |
Grid Dimensions
(L x W) in mm |
Backing Dimensions
(L x W) in mm |
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94
 |
OCA-3-(10)MA
OKA-3-(10)MA
OCA-5-(10)MA
OKA-5-(10)MA
OCA-8-(10)MA
OKA-8-(10)MA |
31.0 x 10.0
31.0 x 10.0
35.0 x 10.0
35.0 x 10.0
30.0 x 10.0
30.0 x 10.0 |
38.0 x 12.0
38.0 x 12.0
37.0 x 12.0
37.0 x 12.0
35.0 x 12.0
35.0 x 12.0 |
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95
 |
OCA-3-(10)MB
OKA-3-(10)MB
OCA-5-(10)MB
OKA-5-(10)MB
OCA-8-(10)MB
OKA-8-(10)MB |
23.0 x 9.0
23.0 x 9.0
18.0 x 9.5
18.0 x 9.5
30.0 x 10.0
30.0 x 10.0 |
30.0 x 11.0
30.0 x 11.0
31.0 x 11.0
31.0 x 11.0
35.0 x 12.0
35.0 x 12.0 |
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96
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OCA-8-2(10)MB
OKA-8-2(10)MB |
28.0 x 10.0 |
35.0 x 12.0 |
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97
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OCA-3-(6)MC
OKA-3-(6)MC
OCA-4-(12)MC
OKA-4-(12)MC
OCA-5-(18)MC
OKA-5-(18)MC |
8.0 x 8.0
8.0 x 8.0
15.0 x 14.0
15.0 x 14.0
27.0 x 26.0
27.0 x 26.0 |
10.0 x 10.0
10.0 x 10.0
18.0 x 16.0
18.0 x 16.0
35.0 x 32.0
35.0 x 32.0 |
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| 4. OCI series strain gauges for high elongation measurement (strain limit
available: 5%, 10%, 15%, and 20%) |
| Gauge Pattern |
Gauge Part Number (P/N) |
Grid Dimensions
(L x W) in mm |
Backing Dimensions
(L x W) in mm |
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98
 |
OCI-120-6AA-(%)
OCI-120-60AA-(%)
OCI-350-5AA-(%) |
6.0 x 3.2
60.0 x 3.2
5.0 x 4.9 |
12.0 x 8.0
68.0 x 6.0
10.3 x 7.8 |
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99
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OCI-120-5AA-(%)-C
OCI-350-5AA-(%)-C |
6.3 x 3.7
5.0 x 4.9 |
15.0 x 7.0
12.9 x 7.8 |
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99'
 |
TCI-DCA3· G1 *
TCI-DCA6· G1 *
* : terminals used with No. 99 gauge
|
3.4 x 2.0
6.4 x 2.6
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5.0 x 5.0
8.0 x 8.0
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| 5. ECU series water-proof strain gauges for stress measurement under
water |
| Gauge Pattern |
Gauge Part Number (P/N) |
Grid Dimensions
(L x W) in mm |
Backing Dimensions
(L x W) in mm |
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100
 |
ECU-120-4AA-(**)
ECU-350-4AA-(**)
|
4.0 x 2.3
4.0 x 2.8
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30.0 x 10.0
29.0 x 12.0
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The dimensions of gauge grid and gauge backing are subject to change without notice. |
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PRC Technologies Corporation Ltd.