BROMAN 210
The Broman Model 210 Contact Resistance Test Set is a portable line operated instrument designed to measure the resistance of high current devices, such as circuit breaker contacts and bussbar interconnections whose resistance is normally in the microhm region. The model 210 is particularly effective in assessing circuit breaker condition by periodically checking contact resistance, a deteriorating breaker can be detected prior to actual breakdown, thus averting a possible costly outage.
FEATURES
- Easy to operate
- Direct-reading in microhms
- No balancing required
- Self-calibrating
- 10 Year Warranty
DESCRIPTION
The 210 operates on the principle of passing a known current through the test subject and measuring the resultant potential drop across that test subject. Once the current and voltage are known the resistance is calculated electronically and displayed on the microhm meter. Separate leads and clips are used for current and potential measurements using standard four terminal Kelvin connections.
A self calibrating feature is incorporated to permit convenient checking of the overall calibration without reference to external standards.
An auxiliary 100 ampere AC output is provided for demagnetizing current transformers in situations where these cannot be excluded from the test path, or for low level injection testing.
SPECIFICATIONS
Input: 120 V AC, 60 Hz, 500 VA Test Current: 0-100 A DC (0-8 V DC open circuit) Auxiliary AC Output: 0-100 A AC (0-6 V AC open circuit) Duty Cycle: 2 minutes on / 10 minutes off at 100 amperes Resistance Ranges: 0-50/100/500/1,000/5,000 microhms Meters: ammeter scales 0-100 A DC
voltmeter dual scaled 0-100, 0-500 microhmsAccuracy: within ± 2% of reading Dimensions: 12w, 13d, 15h (inches) Weight: 50 (pounds)
* 전화주문 : 031-704-2401 팩스주문 : 031-704-2421 메일주문 : aaa@a-a.co.kr
입금계좌 : 국민은행 298737-04-004838 예금주 :아이에스테크주식회사
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