Lakeshore Learning Materials 642 Bedienungsanleitung PDF herunterladen (Seite 14)

Lake Shore Model 642 Electromagnet Power Supply User’s Manual

1-4 Introduction

Specifications (Continued)

Output programming

Internal current setting

Resolution 0.1 mA (20 bit)

Settling time 600 ms for 1% step to within 1 mA (of internal setting)

Accuracy ±10 mA ±0.05% of setting

Operation Keypad, computer interface

Protection Programmable current setting limit

Internal current ramp

Ramp rate 0.1 mA/s to 99.999 A/s (compliance limited)

Update rate 23.7 increments/s

Ramp segments 5

Operation Keypad, computer interface

Protection Programmable ramp rate limit

External current programming

Sensitivity 10 V/70 A

Resolution Analog

Accuracy ±10 mA ±1% of setting

Input resistance 20 kΩ

Operation Voltage program through rear panel, can be summed with internal current setting

Limits Internally clamped at ±10.1 V and bandwidth limited at 40 Hz to protect output

Connector Shared 15-pin D-sub

Readings

Output current

Resolution 0.1 mA

Accuracy ±5 mA ±0.05% of rdg

Update rate 2.5 rdg/s display, 10 rdg/s interface

Output voltage (at supply terminals)

Resolution 1mV

Accuracy ±5 mV ±0.05% of rdg

Update rate 2.5 rdg/s display, 5 rdg/s interface

Front panel

Display type 8-line by 40-character graphic vacuum fluorescent display module

Display readings Output current, output voltage, and internal water temperature

Display settings Output current and ramp rate

Display annunciators Status and errors

LED annunciators Fault, Compliance, Power Limit, Ramping, Remote

Audible annunciator Errors and faults

Keypad type 26 full travel keys

Keypad functions Direct access to common operations, menu-driven setup

Power White flush ON and black extended OFF push buttons

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Lakeshore Learning Materials 642 Bedienungsanleitung Seite 14