DigiTMR S2 PC PC-controlled EHV Circuit Breaker Analyzer
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DigiTMR S2 PC

PC-controlled EHV Circuit Breaker Analyzer
Part Number(s)
9068-UC [DigiTMR S2 PC]
9068-OT [On-line Timing Option]
9068-BT [Bluetooth Option]
Download Links
DigiTMR S2 PC Datasheet (English)
DigiTMR S2 PC User's Manual (English)

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.
  • 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

DigiTMR S2 PC

Cables

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
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 +25C (+77F).