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Part Number(s)
9068-UC [DigiTMR S2 PC]
9068-OT [On-line Timing Option]
9068-BT [Bluetooth Option]
- Inexpensive, PC-controlled EHV circuit breaker analyzer
- Optional "on-line" timing mode
- Small and light-weight
- Can test contact time, stroke, velocity, over-travel, and contact wipe
The Vanguard DIGITMR S2 PC is an inexpensive, easy to use digital circuit breaker analyzer that is designed to be used with a PC. This inexpensive analyzer offers the most cost-effective method for testing circuit breakers. It can fully analyze a circuit-breaker’s performance by testing the contact time, stroke, velocity, over-travel, and contact wipe. Contact-motion analysis can be performed for all breaker contact operations (Open, Close, Open – Close, Close – Open, and Open – Close – Open). The DIGITMR S2 PC offers three dry-contact channels (for timing circuit breaker main and insertion resistor contacts), one digital transducer channel (to monitor CB contact motion), and two voltage monitoring channels.
DigiTMR S2 PC – Technical Specifications
|
TYPE |
Portable digital circuit breaker analyzer |
PHYSICAL SPECIFICATIONS |
18.5”W x 14”H x 7”D (47.0 cm x 35.7 cm x 17.6 cm); Weight: 16 lbs (7.3 kg) |
INPUT POWER |
3 Amps, 100 – 240 Vac, 50/60 Hz |
DRY-CONTACT INPUTS |
3 dry-contact channels; each channel detects main contact and insertion resistor contact |
TIMING WINDOWS |
1-second, 10-seconds, or 20-seconds |
TIMING RESOLUTIONS |
±50 micro-seconds @ 1-second duration, ±500 micro-seconds @ 10-second duration, ±1.00 milli-second @ 20-second duration |
TIMING ACCURACY |
0.05% of reading ±0.1 ms @ 1-second duration |
CONTACT DETECTION RANGE |
Closed: less than 20 ohms; Open: greater than 5,000 ohm |
RESISTOR DETECTION RANGE |
50 – 5,000 ohms |
TRIGGER INPUT VOLTAGE |
Open/Close: 30 – 300V, DC or peak AC |
VOLTAGE SENSING INPUT RANGE |
V1: analog input; 0 – 255V, DC or peak AC; Sensitivity: ±1V V2: voltage presence/absence detector input; 30 – 300V, DC or peak AC |
BREAKER OPERATIONS |
Initiate Open, Close, Open – Close, Close – Open, Open – Close – Open |
BREAKER INITIATE CAPACITY |
30A, 250 Vac/dc max |
INITIATE CURRENT READING RANGE |
One, non-contact, Hall-effect sensor, 0 – 20 amp range, dc to 5Khz |
TRAVEL TRANSDUCER INPUT |
1 digital travel transducer channel; Linear range: 0.0 – 60.0 in (±0.005 in.); Rotary range: 0 – 360 degrees (±0.006 degrees) |
CONTACT TRAVEL POINT DIFFERENCE |
Measures “slow-close” contact-point distances; results can be printed |
CT CURRENT SENSOR |
One, non-contact, 0 – 100A |
COMPUTER INTERFACES |
One USB port, optional Bluetooth interface |
PC SOFTWARE |
Windows®-based Vanguard Circuit Breaker Analysis (VCBA S2) software is included with purchase price. Software updates available at no additional charge. |
SAFETY |
Designed to meet UL/IEC 61010 and CAN/CSA C22.2 No. 1010.1-92 standards |
ENVIRONMENT |
Operating: -10°C to 50° C (15°F to +122° F); Storage: -30° C to 70° C (-22°F to +158° F) |
OPTIONS |
Transportation case (available for the DigiTMR S2 and the travel transducers) |
WARRANTY |
One year on parts and labor |
Specifications are valid at nominal voltage and ambient temperature of +25˚C (+77˚F). |
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