td1880 high-必赢亚赢

overview

model td1880, a wide-range, multi-value and high-precision calibrator, can accurately output ultra-precision ac/dc voltage, current and power, and also has the functions of pulse output and simulating dc resistance, thermocouple (tc), thermal resistance (rtd) and capacitance. applied to calibrate 6½ and below digits multimeters or other electrical measuring instruments.

this calibrator complies with the following standards:

● jjg 124-2005 verification regulation of amperemeters, voltmeters, wattmeters and ohmmeters.

● jjf 1587-2016 calibration specification for multimeters

● jjf 1284-2011 calibration specification of calibrators for electrical meters

functions

● electrical parameters output: voltage is up to 1100 v, current is up to 33 a at a frequency from 45 hz to 100 khz.

● resistance simulation: continuously variable range is from 1 ω to 1100 mω, pulse output range is from 1 hz to 2 mhz.

● value output mode: standard source and output source modes, easy to calibrate both digital meters and analogue meters.

● value adjustment method: fixed-point, rotary encoder, step and potentiometer (option).

● output switch: the output can be turned on/off arbitrarily by one-touch operation.

● tc and rtd simulation: support for simulation of up to 11 types of tc and 11 types of rtd.

● clamp coil (option): match a 50 t clamp coil produces a maximum 1100 at equivalent current to calibrate clamp ammeters.

● transmitter measurement (option): measure the secondary dc signal of the transmitters.

● proprietary software (option): support the calibration of the checked meters by semi-automatic or full-automatic, data management and report export.

features

● the output current has high stability (the typical value is better than 10 ppm/h) and high accuracy (the typical value is 50 ppm/a), and its measurement accuracy is higher than the international similar products.

● strong load capacity of ac, can drive various types of analogue meters and digital meters, so the applicable range of measured instruments is very wide.

● the protection of voltage and current sources ensures high reliability under complex conditions.

● large lcd touch screen display, touch and button operation modes, easy for users to measure manually.

● support the calibration of the checked meters by semi-automatic or full-automatic, data management and report export. connecting the instrument to a computer via rs-232 interface, easy to build computer automatic test system.

electrical specifications

dc voltage output

output characteristics

● output range of voltage: 3 mv to 1100 v (10% to 110% of range)

● resolution: 5 ppm of range

● short-term stability (/min): max {5 ppm of range, 3 μ v}

● display: 7 digits

● ripple coefficient: <0.5 %

● protection: short-circuit protection, overload protection.

dc current output

output characteristics

● output range of voltage: 3 μa to 33 a (10% to 110% of range)

● resolution: 5 ppm of range

● short-term stability (/min): max {20 ppm of range, 3 μ v}

● display: 7 digits

● ripple coefficient: <0.5 %

● protection: short-circuit protection, overload protection.

ac voltage output

output characteristics

● output range of voltage: 0.1 mv to 1100 v (10% to 110% of range)

● resolution: 5 ppm of range

● display: 7 digits

● distortion: <0.5 % (<1 % @ 10 mv…1 v ranges)

● protection: short-circuit protection, overload protection.

ac current output

output characteristics

● output range of voltage: 3 μa to 33 a (10% to 110% of range)

● resolution: 5 ppm of range

● display: 7 digits

● distortion: <0.5 % (<1 % @ 300 μa…10 ma ranges)

● protection: open-circuit protection, overload protection.

resistance

output characteristics

● output range of voltage: 1 ω to 1100 mω (10% to 110% of range)

● resolution: 4 ppm of range

● display: 7 digits

● ripple coefficient: <0.5 %

● test condition: warm up from 2 hours, <80 % r·h @ 30 °c.

power output

thermocouple (tc)

thermal resistance (rtd)

frequency and phase

capacitance

dc small signal measurement (option)

● range: 1 v, 10 v, 2 ma and 20 ma

● measuring range: ± (0 to 12 v)；± (0 to 24 ma)

● accuracy: ± (0.006 % of reading + 0.004 % of range)

● notes: applied to measure the secondary dc signal of the transmitters.

general specifications

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

● maximum power consumption: 600 va

● operating environment: +18 °c to +28 °c, 20 % to 85 % r·h, altitude from 0m to 3,000 m.

● storage environment: -20 °c to +70 °c, <85 % r·h, non-condensing

● dimensions (w × h × d): 595 mm × 210 mm × 505 mm

● weight: 31 kg

● warm-up time: 2 hours

● communication: rs-232 interface

selection guide