Radian Research, Inc.
RD-BR1 Burden & Ratio Analysis Module
Safest CT Tester Available
- Automatic System Continuity Check
- Multiple stage open secondary detection
- Automatically closes loop
- Locking Connection Terminals
Fastest CT Tester Available
- One Cycle Burden Insertion
- Test all ANSI Burden points in 16 mS
- Simultaneous Burden, Ratio and Phase
Unparalleled Measurement Accuracy
Adds No Magnetization to CT
Demagnetizes CT cores
Lightweight, Solid State Design
OVERVIEW
The Radian RD-BR1 Burden & Ratio Analysis Module RD-BR1 prevents unnecessarily changing of a good CT
is an innovative advancement in CT testing. When used resulting in saved time and money. This is accomplished
with Radian’s RD-2x or RD-3x Dytronic Standards this by performing a quick CT demagnetization on a CT that
accessory provides several benefi ts over other testing is saturated. CT demagnetization can effortlessly be per-
methods. The RD-BR1 allows testing without interrup- formed at the end of each performance test.
tion to the customer’s service and the design features
single cycle burden insertion with simultaneous CT ratio The RD-BR1 provides unsurpassed user safety and is
and phase error. The module’s unique design allows all considered the safest CT Burden & Ratio Tester available.
ANSI values of 0.1, 0.5, 1.0, 2.0, 4.0 and 8.0 Ohms to The module prevents user harm through an automatic
be inserted with virtually no magnetizing effect on the system continuity check that is preformed before opening
CT. When testing with the RD-BR1 the user need not the secondary of the CT. If an open loop is detected the
be concerned with overheating. An onboard tempera- RD-BR1 will automatically close the loop. In addition,
ture controlled fan keeps the module running cool and testing of the internal burden resistors is done to verify
trouble free. operation before adding them into the secondary loop.
Testing with the RD-BR1 can be performed using Data collection is easily saved and collected during the
any of the multiple burden resistors available. Utiliz- test. Test confi gurations and results can then effortlessly
ing Radian’s unique solid state technology users can be stored or downloaded. Quick and simple test reports
select multiple burdens or the complete sequence can are automatically generated at the end of each test. This
be performed. Each burden is inserted and removed in data can be easily viewed or exported.
an one line cycle, allowing the CT to be tested without
adding any residual magnetization of the CT. Using this The Radian RD-BR1 Burden & Ratio Analysis Module
measurement technique minimizes any uncertainty of is truly an addition you should not be without when per-
measurement caused by fl uctuation of load. The mea- forming a CT test. The RD-BR1 is another in a highly
surements of current with and without burden allow the respected line of Radian products providing unparalleled
percent change to be automatically calculated. measurement accuracy. With the safety and multiple user
functionality benefi ts the RD-BR1 provides it will soon
Reduce lost revenue with the module’s CT Ratio feature be realized that the module is an effi cient addition to your
allowing the technician to verify CT nameplate informa- Radian RD-2x or RD-3x Dytronic Standards.
tion without removing the CT from service. Technician
time spent at each site is also reduced with the addition
of the CT Phase Error function allowing the detection of
defective installations while testing the CT ratio.Technical Specifi cations
INPUT POWER ACCESSORIES
RD Standard connection (Allows 60-600V at Site) RR- 100135, 8 ft Test Switch Probe
RR- 100146, 12 ft Test Switch Probe
RC-FLEX3000A, 36" Flex Probe CT, 5 to 3000A
MEASUREMENT INPUTS
RC-MN106, 0.2 to 150A AC Current Probe
Primary CT Current: 0.1 – 3000 Amperes, 50 or 60 Hz
RC-SR704, 0.02 to 800A AC Current Probe
(using probes)
RC-JM800A, 1.0 to 2400A AC Current Probe
Secondary CT Current: 0.01 – 20 Amperes, 50 or 60
RC-HV2000A, Fiber Optically Coupled AC Current
Hz
Probe 0-2000 Amperes, max. 150kV, max. Window
CT Primary Probe Input Voltage: 3V RMS Max (using
gap 1.89 inches
RR-CTA1)
Probe Scales: 10mV/A
WARRANTY
Radian Research warrants each of our products to be
MEASUREMENT ACCURACY
free from defects in material and workmanship. Our
Accuracy dependent on RD Standard and Clamp-on
obligation under this warranty is to repair or replace
Connected
any instrument or component therein which, within
two years after shipment, proves to be defective upon
CT BURDEN TESTING
examination. Radian will pay local domestic surface
CT Burden Values: 0.1, 0.2, 0.5, 1.0, 2.0, 4.0, 8.0 freight costs for return of product from Radian to the
Ohms customer. If service is required, contact your local
Resistive Element Tolerance: +/- 1% Radian Research representative or Radian headquar-
Insertion Burden: +/- 0.04 Ohms ters in Lafayette, Indiana.
CT DEMAGNETIZATION
Demag Burden: 8.0 Ohms Max
ENVIRONMENT
Temperature: -20 to +70 deg C
Humidity: 10% to 95% non-condensing
PHYSICAL DESCRIPTION
Dimensions: Approximately 6.6” (16.7cm) L x 4”
(10.3cm) W x 2.2” (5.6cm) H
Weight: Approximately 2.1 lbs (0.95 Kg)
Case: Construction is powder coated aluminum
Current Inputs: 6mm Multi-Contact brand sockets for
20 Amp
Clamp-on CT input: For a direct interface to an op-
tional clamp-on current transformer
PROTECTION
Isolation: Complete: Input/Output/Power/Case/Control
Dielectric Withstand: 2.3kV, 60Hz 60 Seconds
Radian Research, Inc.
3852 Fortune Drive

RD-BR1系列是我們公司的一款專業(yè)級(jí)低壓電器產(chǎn)品線，其中"RD"可能代表" Residential Distribution"（住宅配電），表明該系列產(chǎn)品專為住宅環(huán)境的電力分配和管理設(shè)計(jì)。"BR1"則可能是產(chǎn)品代碼或者型號(hào)代號(hào)，進(jìn)一步細(xì)分了該系列在住宅電器中的具體類型或特征，例如斷路器、繼電器、接觸器等元件。 BR1系列可能具備以下特點(diǎn)： - 安全可靠：針對(duì)家庭用電需求，提供過(guò)載保護(hù)、短路保護(hù)等多種安全功能，確保用電設(shè)備和用戶人身安全。 - 節(jié)能環(huán)保：可能采用節(jié)能技術(shù)，降低能耗，符合綠色家居的要求。 - 易于安裝與維護(hù)：設(shè)計(jì)緊湊，操作簡(jiǎn)便，便于家庭用戶自行安裝和日常維護(hù)保養(yǎng)。 - 多樣化選擇：包括不同電流等級(jí)、不同分?jǐn)嗄芰Φ臄嗦菲鳌⒗^電器等，以滿足不同電路負(fù)載的需求。 請(qǐng)?jiān)敿?xì)查閱產(chǎn)品手冊(cè)或聯(lián)系我們的客戶服務(wù)獲取RD-BR1系列產(chǎn)品的完整規(guī)格參數(shù)和技術(shù)說(shuō)明。