深圳市世家儀器有限公司
深圳市世家儀器有限公司
5700A 與5720A 多功能的高精度校準器，專門設計用于滿足電學校準工作的需求。產品可輸出交直流電壓、交直流電流和電阻。寬帶電壓選件交流帶寬從10 Hz 到30 MHz。兩款產品均可與 5725A 以及 52120A系列放大器兼容。兩款產品均可通過 MET/CAL Plus 校準軟件實現自動化。
美國Fluke 5720A多功能校準器,5720A超高精度多功能校準器 產品簡介：
5700A 與5720A 多功能的高精度校準器，專門設計用于滿足電學校準工作的需求。產品可輸出交直流電壓、交直流電流和電阻。寬帶電壓選件交流帶寬從10 Hz 到30 MHz。兩款產品均可與 5725A 以及 52120A系列放大器兼容。兩款產品均可通過 MET/CAL Plus 校準軟件實現自動化。 5700A和5720A具有高級別的準確度，可靠性能，得到計量校準界的一致，5700系列已經成為電學計量實驗室中準確度的當然選擇。 |
| 技術指標 | |
| 直流電壓 | 范圍： 0 至 ±1100V 5700A 系列 1 年內性能規(guī)格： ±(8ppm輸出+0.36ppm量程) 5720A 系列 1 年內性能規(guī)格： ±(4ppm輸出+0.27ppm量程) |
| 交流電壓 | 范圍： 220 mV 至 1100V 10 Hz 至 1 MHz 5700A 系列 1 年內性能規(guī)格： ±(85ppm輸出+3.2ppm量程) 5720A 系列 1 年內性能規(guī)格： ±(52ppm輸出+3.2ppm量程) |
| 電阻 | 范圍： 0 至 100 MΩ，在 x1 和 x1.9 模式下有 18 項數 值5700A 系列 1 年內性能規(guī)格： ±14 ppm 5720A 系列 1 年內性能規(guī)格： ±10 ppm |
| 直流電流 | 范圍： 0 到 ±2.2A（5725A 系列為 11A） 5700A 系列 1 年內性能規(guī)格： ±(60ppm輸出+4.5ppm量程) 5720A 系列 1 年內性能規(guī)格： ±(40ppm輸出+2.3ppm量程) |
| 交流電流 | 范圍： 9 mA 至 2.2A（5725A 系列為 11A）10 Hz 至 10 kHz 5700A 系列 1 年內性能規(guī)格： ±(160ppm輸出+18ppm量程) 5720A 系列 1 年內性能規(guī)格： ±(140ppm輸出+14ppm量程) |
| 寬頻帶交流電壓選項 | 范圍： 300 mV 至 3.5V 10 Hz 至 30 MHz 5700A 系列 1 年內性能規(guī)格： ±(0.4%輸出+0.014%量程) 5720A 系列 1 年內性能規(guī)格： ±(0.4%輸出+0.014量程) |
| 技術指標 | |
| 預熱時間 | 上次預熱時間的兩倍， 30 分鐘 |
| 系統安裝 | 可提供后面板輸出與機架安裝工固定件 |
| 接口 | IEEE-488、RS-232、5725A、5205A 或 5215A、5220A，相鎖定 (BNC)，相參考 (BNC) |
| 溫度性能 | 操作： 0°C 至 50°C 校準： 15°C 至 35°C 儲存： -40°C 至 75°C |
| 相對濕度 | 操作： 30°C 下 < 80%，40°C 下 < 70%，50°C 下 < 40% 儲存： < 95%，不凝結在高溫高濕度環(huán)境當中儲存過后，通電穩(wěn)定期需 要四天時間。 |
| 安全性 | 設計符合 UL311；IEC 348-1978；IEC 66E (CO)4；CSA 556B等標準 |
| 屏蔽保護隔離電壓 | 20 V |
| EMI/RFI | 設計符合 FCC 規(guī)則第15部分、Subpart J，B類；VDE 0871，B類標準 |
| 電源 | 47 至 63 Hz；可選額定電源電壓允許 + 10% 波動：100V、110V、115V、120V、200V、220V、230V、240V -------------- 功率： 5700A/5720A 系列：300 VA；5725A 系列，750 VA |
| 尺寸 | 5700A/5720A： 高 17.8 cm (7 in)，標準機架伸展，底部高加 1.5cm (0.6in)；寬 43.2 cm (17 in)，標準機架寬度；全厚 63.0 cm (24.8 in)； 機架厚度 57.8 cm (22.7 in) 5725A： 高13.3cm(5.25 in)；寬度和厚度5700A/5720A系列 相同兩個系列均從機架前端向前伸出 5.2 cm (2 in) |
| 重量 | 5700A/5720A： 27 千克（62 磅） 5725A： 32 千克（70 磅） |
Model:
Fluke 5700A
Product Name:
Multi-Function Calibrator
Instrument Description:
5-function calibrator
Memory Description:
The Fluke 5700A Multi-Function Calibrator contains two types of storage media.
The first is a flash-based storage media and the second is random access
memory (RAM).
Flash Memory:
The flash memory used in the 5700A is a physically block structured device. It
contains three (3) separate blocks. The first block is a special purpose block
intended to hold a small boot loader. It’s used for that purpose within the 5700A.
The boot loader software was designed and maintained by the Fluke Corporation
ａnd is preprogrammed into the flash device for us by the vendor. The boot
loader flash memory can’t be easily changed or reconfigured without special
programming equipment. It’s considered by Fluke to be permanent. If it were
tampered with, or otherwise changed, by anyone other than qualified software
engineer equipped with supporting documentation from Fluke, and external
programming hardware, the calibrator would cease to function. The second
block contains the application software for the 5700A. It’s programmed by Fluke
but is otherwise subject to the same stringent restrictions as the boot code.
Additionally, a checksum is generated and compared on power-up to insure that
no changes to this code have occurred. The third block is logically partitioned, by
the software, into two (2) mini-blocks. The first contains the calibration constants
for the instrument. The second contains all nonvolatile configuration data for the
instrument.
Calibration Constants:
Calibration constants are double precision floating-point numbers. These
numbers are used by the instrument during normal operations to achieve its
rated output accuracy. Each calibration constant (CCO) has a default value and
a limit. Most limits are within a few percent of the default value. It’s impossible to
set a calibration constant to a number outside of its limit. Calibration constants
can’t be accessed directly by a user. They can be changed during a calibration
process. Theoretically, someone could run a calibration procedure and store
numerically encoded data in the calibration constants. The limits on many of
them would obviously complicate the process though.
Non-Volatile Configuration Data:
Non-Volatile configuration data contains user settings like IEEE address, serial
port configuration, calibration dates, etc. It also contains a string of a maximum
of 63 characters. The string is an IEEE 488.2 standard and is set using the
<*PUD> command. It’s queried using the <*PUD?> Commａnd or from the front
panel [see page 5-35, 36 of the Operator Manual for a complete explanation of
these commands].
For re-formatting non-volatile memory, use the following key
strokes from the front panel [see page 3-12 of the Operator
Manual]:
Select the SETUP key on the front panel,
Using the blue ‘soft’ keys under the Control Display, select the
following:
UTILITY
FUNCTNS
Then,
FORMAT
NV MEM
Then,
ALL, or CAL, or SETUP
The instrument will need to be calibrated after this operation and any
configuration data that has been modified by the customer would need to be
restored, including the system clock and the clock format. This is the safest
method, but is highly destructive in that it requires a total recalibration of the
instrument.
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