td1540 calibration device for dc shunts -凯发k8国际

overview

model td1540, a calibration device for dc shunts, consists of dc high-current standard source with a range from 0.5 a to 600 a and dc voltmeter with a range of ±(10 μv to 11 v). the optional accuracy classes are 0.02, 0.05 and 0.1.

applied to calibrate various measuring dc shunts for metrology and electric power departments, and also applied to inspect products to promote quality for manufacturers.

features

● high stability and accuracy of current: a built-in broadband current comparator for current measurement and control.

● voltage measurement: a built-in 7 digits dc voltmeter, the maximum measuring range is up to 11 v with a 50 v_pk overload capability. the optimal measurement uncertainty of class 0.02 is up to 100 ppm.

● good safety performance: overload protection and open-circuit protection for current source, and good electrical isolation between interior circuit and power supply and also the communication interface. high reliability ensures continuous operation for 24 hours.

● good economy: the efficiency is better than 80% under full load.

● excellent human-computer interaction: large lcd touch screen display, touch and button operation modes, easy for users to measure manually.

● proprietary software (option): support the calibration of the dut by semi-automatic or full-automatic, easy to record and analyze the dut data.

● connection: the current source is equipped with communication interface, easy to build automatic test system. the high-current output is programmed to control the rise and fall slowly, which reduces the current surge and avoids the power overshoot on the dut.

applications (class 0.02)

● calibrate dc shunts (class 0.1 and below)

● measure the resistance of dc shunts to get the basic error

● analyze the key parameters such as power factor and tmf

● record and draw the r(i), r(t) curves of dc shunts

electrical specifications

dc current output

output characteristics

● output range of current: 0.5 a to 600 a

● resolution: 0.001 % of range

● display: 7 digits

● ripple coefficient: <1 %

● protection: open-circuit protection, overload protection.

dc voltage measurement

measurement characteristics

● measuring range of voltage: ± (10 μv to 11 v)

● range switching: automatic or manual

● display: 7 digits

● input resistance: > 1 gω

● input protection: 50 v_pk, continuous.

resistance measurement

measurement characteristics

● measuring range of resistance: 200. 000 nω to 4.00 000 ω

● minimum resolution: 1 pω @ 500 a test current

● range switching: automatic or manual

● display: 6 digits

● notes: r(t) curve can be displayed when loading current.

general specifications

● line power: 220 v ±22 v, 50 hz ±2 hz

● maximum power consumption: 4.8 kva

● operating environment: +15 °c to +30 °c, 30 % to 80 % r·h, non-condensing

● storage environment: -20 °c to +70 °c, <95 % r·h, non-condensing

● test condition: 2 hour warm-up, sampling rate is 0.5 sps.

● dimensions (w × h × d): 630 mm × 260 mm × 590 mm

● weight: 49.5 kg

● communication: rs-232 interface

selection guide