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Temperature sensor for welding machine
Name: Temperature sensor for welding machine
■ Features
| Band: Veteng | Use: For temperature sensing |
| Product model: VT1103GA005 | Operating temperature range: - 30℃ ~ +200℃ |
Agency recognition: UL ROHS | NTC Working Temp.rage: - 40℃ ~ +250℃ |
■ Product Drawing
■ Material List
| Item | Material | datasheet | Quantity |
| 1 | shell | 4.3x11x20 nickel plated terminal (DES1412005 A-0) | 1PCS |
| 2 | NTC Thermistor | LSGR103G3970GIJG R25=10KΩ±2.5% B0/100=3970K±2% | 1PCS |
| 3 | Epoxy resin | G-008: 930B black | / |
| 4 | Tube | Φ2.5 1500V white glass tube | 1PCS |
| 5 | Tube | AWG 30L Transparent Teflon Sleeve | 2PCS |
| 6 | Riveted terminal | 3mm U type riveted terminal | 2PCS |
| 7 | Tube | Φ1.6 KYNAR heat shrink tubing transparent | 2PCS |
| 8 | wire | UL1332 22AWG TS 200 ℃ 300V black | 2PCS |
● The Shell, component, wire, connector, and their color, size, shape, and processing methods， all can
be customized according to your design
● The special shape of the shell and component, we can cooperate with the design and manufacture of
new molds
● If you need some samples, please contact us
■ Electrical Characteristic
| NO. | Item | Symbol | Test Conditions | Min. | Nor. | Max. | Unit |
| 1 | Resistance at 0℃ | R0 | Ta=0℃±0.05℃ PT≦0.1mW | / | 32.77 | / | KΩ |
| 2 | Resistance at 25℃ | R25 | Ta=25℃±0.05℃ PT≦0.1mW | 9.75 | 10 | 10.25 | KΩ |
| 3 | Resistance at 100℃ | R100 | Ta=100℃±0.05℃ PT≦0.1mW | / | 0.67 | / | KΩ |
| 4 | B Value | B0/100 | 1019.259* LnK | 3890.6 | 3970.0 | 4049.4 | K |
| 5 | Thermal Dissipation Constant | δ | Ta=25℃（in air) | / | 5.0 | / | m W/℃ |
| 6 | Response Time-In liquid | τ | Ta=25±0.5℃ | / | / | 5 | Sec |
| 7 | Hi-Pot Test | / | AC1500V 3Sec | / | / | 1.0 | mA |
| 8 | Insulation test | / | DC500V 1Sec | 100 | / | / | MΩ |
● The resistance, B value and other parameters can be selected as your requirements
■ Mechanical Tests
| NO. | Item | Pass Criteria | Test Conditions |
| 1 | Pull Test | Not loose, no deformation | The connection strength between housing and wire， pull≥1KG(9.8N) |
| 2 | Drop Test | Appearance no obvious damage | At the height of 1 meters, the product falls freely and falls to the 10mm thick oak board, 5 times |
■ Reliability Tests
| NO. | Item | Pass Criteria | Test Conditions |
| 1 | High Temperature Storage | ⊿R/R25≤±3% No visible damage to appearance | 200±5℃，1000±24H After the test, wait at normal temperature for 2 hours |
| 2 | Low Temperature Storage | -30±5℃，1000±24H After the test, wait at normal temperature for 2 hours | |
| 3 | Constant temperature and humidity test | ⊿R/R25≤±3% No visible damage to appearance | 60±2℃，90%～95% RH,100H±24H After the test, wait at normal temperature for 2 hours |
| 4 | Temperature impact test(in air) | ⊿R/R25℃≤±3% No visible damage to appearance | –30℃×30min→25℃×5min→250℃×30 min→25℃×5min，Cycle 10 times After the test, wait at normal temperature for 2 hours |
■ Soldering Iron Setting
| NO. | Item | Settings/Parameters |
| 1 | Temperature of Soldering Iron-tip | T≤360℃ |
| 2 | Soldering Time | S≤3Sec |
| 3 | Distance From Thermistor | L≥10mm |
■ Storage Conditions
1 Ambicnt Temperature: -10℃～+40℃
2 Relative Humidity: ≦75%RH
3 Keep away from corrosive atmosphere and sunlight
4 Period of Storage: 1 year
■ Product Application Conditions
1 Maximum service temperature and maximum power in application should not exceeds specification listed in Product Specification;
2 Much be handled with care when moving and installing the product;
3 Product should not be used when deformed or rusty casing is observed on product;
4 Product should not be used when broken housing ,or excessive deformation on housing is observed;
5 Avoid excessive temperature fluctuation when operating the product in its operational temperature range;
6 Do not apply excessive shock and vibration on product;
7 Do not pull or bend the lead wire excessively;
8 Do not use in any ambient with corrosiven gas (CO2,NH3,Sox,Nox);
Do not use in any ambient with electrolytic solution with brine,acid,alkaline and organic
9 Do not use in environment with water.high moisture,and high corrosive solution;
10 Current throught NTC element will cause self-heating,and may affect the measurement;
11 This product belongs to surface appressed type sensor temperature, when using, need to make bottom plane fully and heating;
● We are so happy to answer any questions. send a message or E-mail to us. We will respond as soon as possible.
● Ordering process：Confirm the product and datasheet → Send samples → Confirm samples and quotes → Test passed → Order+ payment → Manufacture+payment → Deliver
● Because the temperature sensors are custom products, can only be ordered in bulk and not retail
● For other NTC temperature sensors not listed on this website, please contact us, Yes, direct procurement from China is so easy
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