
MODEL-631 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $7.50 | Condition is Used, Vintage Triplett Model 631 VT-Volt-Ohm-Mil-Ammeter Instruction Manual, shipping cost = $5.35 | ![]() |
![]() | $20.00 | Top Pick! Condition is Used, Triplett Mulitmeter Model 631 Test Equipment User Manual (original), shipping cost = $6.00 | ![]() |
![]() | $79.00 | Condition is Used, Triplett Model 631 VTVM Vacuum Tube Voltmeter Analog Meter Tested Working, shipping cost = $17.45 | 100.0% |
![]() | $100.00 | Condition is Used, Vintage Triplett Model 631 VOM VTVM - Untested, shipping cost = $12.13 | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $18.99 | Condition is For parts or not working, Triplett Model 631 VOM VTVM, Vintage, Good External Cond. untested, parts only., shipping cost = $11.53 | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $6.00 | Condition is Good, Triplett Model 631 User Manual Digital, FREE SHIPPING | 82.6% |



The Triplet Model-631 is a high-performance milliammeter designed for precise and reliable current measurement applications. This 631 volt milliammeter features a robust and durable construction, making it suitable for use in various industries and environments.
The Triplet Model-631 boasts a high accuracy of 0.1% of full scale, ensuring that you can trust the readings it provides. The milliammeter has a large, easy-to-read digital display, which is backlit for improved visibility in low-light conditions. The display can be set to show readings in milliamperes (mA) or amperes (A), giving you flexibility in how you view your measurements.
This milliammeter is equipped with a high-input impedance of 10 Megohms, which reduces the loading effect on the circuit being measured. This means that the Triplet Model-631 can be used without significantly affecting the circuit's performance. Furthermore, the milliammeter has a low power consumption, making it an energy-efficient choice for your measurement needs.
The Triplet Model-631 is designed with safety in mind. It features a fuse protection system to prevent damage in the event of an overcurrent situation. The milliammeter also has a built-in overvoltage protection, which protects the instrument from damage due to voltage surges or spikes.
In summary, the Triplet Model-631 is a versatile and reliable 631 volt milliammeter that offers high accuracy, large display, high input impedance, low power consumption, fuse protection, and overvoltage protection. It is an ideal choice for current measurement applications where precision and safety are paramount.
Pros of buying a Triplett Model-631 Milliammeter:1. High Accuracy: The Triplett Model-631 is known for its high accuracy, making it ideal for precise measurements in various applications.
2. Wide Range: It has a wide range of 0-6300 mA, which is suitable for a broad range of measurement needs.
3. Durable Construction: The milliammeter is built with a durable and rugged construction, ensuring long-term use.
4. Easy to Use: The device is easy to read and operate, even for those who are not familiar with technical instruments.
5. Reliable: Triplett is a reputable brand known for manufacturing reliable and high-quality scientific equipment.
Cons of buying a Triplett Model-631 Milliammeter:1. Price: The Triplett Model-631 is relatively expensive compared to other milliammeters in the market.
2. Requires Calibration: Like any other measuring instrument, the milliammeter needs to be calibrated regularly to maintain its accuracy.
3. Limited Functions: The Triplett Model-631 is a basic milliammeter and does not have additional functions such as data logging or automatic range switching.
Conclusion:The Triplett Model-631 Milliammeter is a high-quality and accurate instrument suitable for various applications. Its wide range, durability, and ease of use make it a good investment for those who require precise measurements. However, its high price and limited functions might be a drawback for some users. If you are looking for a basic but reliable milliammeter with a wide range and high accuracy, the Triplett Model-631 is a worthy consideration. If you need additional functions or are looking for a more budget-friendly option, you might want to explore other models in the market.
Details:
The vintage Triplett 631 volt ohm milliammeter is a rare handheld analog multi meter with vintage design. It was manufactured in the USA and comes with a case instructions leads the product is untested its functionality unknown.
specifications testmultimeters:
- brand: Triplett
- mpn: Model-631
- part type: Case
- form factor: Handheld
- features: Vintage
- country/region of manufacture: United States
- display: Analog
general testmultimeters:
- category: Business & Industrial > Test, Measurement Inspection > Detectors > Multimeters
offer testmultimeters:
- started: june 20, 2024
- prices: $18.99–$100.00
- item condition:
- Used
- For parts or not working
- Good
- sold #: 32
- options: ship-to-home
- availability: in stock
- in stock #: 5
payments testmultimeters:
- credit card: mastercard
- wallet: google-pay
returns testmultimeters:
- policy: no returns
seller testmultimeters:
- city: arlington height, illinois
- rating: 98.9%
- # reviews: 1470
shipping testmultimeters:
- service: usps ground advantage
- type: fixed
- transit: 7-12 days
- carrier: usps
- class: standard
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