Vanguard DigiTMR - Manual (Page 12)

DIGITMR USER’S MANUAL REV 3
7
1.4 Technical Specifications
Table 1. DigiTMR Technical Specifications
TYPE Circuit-breaker analyzer
PHYSICAL SPECIFICATIONS 18”W x 7”H x 15”D (45.7 cm x 17.8 cm x 38.1 cm); Weight: less than 19 lbs
(8.6 kg)
INPUT POWER 3 Amps, 100 – 120 Vac or 200 – 240 Vac (factory pre-set), 50/60 Hz
DRY-CONTACT INPUTS 3 dry-input channels; each channel detects main and insertion-resistor
contacts
TIMING WINDOWS 1-second, 10-seconds, or 20-seconds
TIMING RESOLUTIONS ±100 micro-seconds @ 1-second duration
±1.00 milli-seconds @ 10-second duration
±2.00 milli-seconds @ 20-second duration
TIMING ACCURACY 0.05% of reading ±0.1 ms @ 1-second duration
DRY-CONTACT CHANNEL
PROTECTION
Fuses protect all isolated power supplies; all contact inputs are grounded
until test; input channels are protected against static discharge
CONTACT DETECTION RANGE Closed: less than 20 ohms; Open: greater than 5,000 ohms
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
DISPLAY Back-lit LCD Screen (20 characters by 4 lines); viewable in bright sunlight
and low-light levels
PRINTER Built-in 4.5-inch wide thermal printer can print both graphic contact travel
waveforms and tabulated test results
INTERNAL TEST RECORD
STORAGE
Stores up to 100 test records and 99 breaker test plans
COMPUTER INTERFACE RS-232C port (19,200 baud)
PC SOFTWARE Windows
®
XP/Vista-based Circuit Breaker Analysis software is included
with purchase price
SAFETY Designed to meet UL 61010A-1 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 and the travel transducers)
WARRANTY One year on parts and labor
NOTE
The above specifications are valid at nominal operating voltage and at a
temperature of 25
°C (77°F). Specifications may change without prior notice.