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General| Brand | Lake Shore |
|---|---|
| Model | 370 |
| Category | Laboratory Equipment |
| Language | English |
Overview of the Model 370 AC Resistance Bridge, detailing its features and capabilities for precise resistance measurements.
Details the warranty coverage period and terms for the Lake Shore Model 370.
Outlines limitations and responsibilities concerning the instrument's firmware.
Specifies the terms and conditions for using the instrument's firmware.
Provides a general introduction to the Model 370 AC Resistance Bridge and its applications.
Details the Model 370's features, including its design, measurement capabilities, and integrated functions.
Lists the key features and specifications of the Model 370 AC Resistance Bridge.
Describes the available scanner options (3716, 3716L, 3708) and their integration with the Model 370.
Explains the four-lead AC measurement technique used for accurate low-power resistance measurements.
Details innovative features like matched impedance current source and active common mode reduction.
Describes the Voltage Excitation and Current Excitation modes for resistance measurement.
Covers the integrated PID temperature control functionality of the Model 370.
Details the IEEE-488.2 and RS-232C interfaces for instrument control and data acquisition.
Describes the Model 3716L scanner, optimized for low input noise and high resolution.
Details the Model 3708 scanner for ultra-low noise AC resistance measurements.
Explains how to load and use temperature response curves for sensor calibration.
Lists detailed specifications for the resistance measurement type, ranges, and resolution.
Details specifications for PID control, heater output, and control parameters.
Outlines capabilities and parameters for IEEE-488.2 and RS-232C interfaces.
Instructions for proper grounding to minimize electrical shock hazards.
Explains the meaning of safety symbols used in the manual and on the instrument.
Discusses the Model 370's capabilities for measurements at low temperatures.
Provides information on temperature scales, including ITS-90 and working standards.
Introduces terminology for cryogenic systems like dilution refrigerators and ADRs.
Defines terms and components related to dilution refrigerators.
Describes the basic features and terminology of a 3He cryostat system.
Explains the principles and components of an Adiabatic Demagnetization Refrigerator.
Explains the AC measurement technique, excitation, and noise reduction strategies.
Details theories on shielding, grounding, and preventing ground loops for accurate measurements.
Describes the feature that minimizes common mode voltage for improved measurement accuracy.
Explains the role of hardware and firmware filters in measurement resolution and settling time.
Discusses E-field and H-field noise coupling and methods to reduce their effects.
Explains ground loop noise and how isolation minimizes its impact on measurements.
Describes Johnson (thermal) noise, a primary noise source in resistors.
Discusses the importance of instrument warm-up and the effects of temperature drift.
Provides suggestions for proper resistor installation for accurate measurements.
Explains how self-heating can cause errors and how to predict and compensate for it.
Details the impact of cable capacitance on measurements, especially at high resistances.
Discusses the trade-off between self-heating and excitation level for optimal measurements.
Explains how to balance excitation levels against signal-to-noise ratio.
Details how measurement bandwidth affects signal-to-noise ratio and resolution.
Guides on selecting appropriate temperature sensors for low-temperature applications.
Discusses sensor sensitivity and its impact on measurement performance.
Explains factors affecting temperature measurement resolution.
Provides guidelines for achieving best accuracy in temperature measurements.
Key factors for achieving stable and accurate temperature control.
Explains the principles of PID control and its parameters (P, I, D).
Details how to manually adjust Proportional, Integral, and Derivative PID parameters.
Provides basic rules of thumb for tuning PID control loops for optimal performance.
Instructions for inspecting shipping containers and unpacking the instrument.
Identifies and describes the connectors and controls on the rear panel of the Model 370.
Describes the line input assembly, including power switch, fuse drawer, and voltage selector.
Provides guidelines for connecting resistors and managing cables for optimal measurement.
Explains proper isolation and grounding techniques to prevent noise and ground loops.
Details grounding procedures for the scanner enclosure to ensure proper system connection.
Provides recommendations for scanner cabling to minimize noise and capacitance effects.
Defines the pins and functions of the SCAN CONTROL connector.
Describes the Monitor Output BNC connector for diagnostic voltage monitoring.
Explains the isolation of the heater output circuitry to prevent noise and ground loops.
Provides guidance on calculating control heater power based on range and resistance.
Details the BNC connectors for Analog Outputs 1 and 2 (Still).
Describes configuring Analog Output 2 as a still heater output for cryogenic applications.
Procedure for safely turning the instrument on and initial startup sequence.
Explains the Model 370's vacuum fluorescent display layout and features.
Describes how to configure the display area for showing measurement readings.
Provides an overview of the instrument's keypad layout and functions.
Explains the basic operations: direct, setting selection, and data entry.
Guides the user through configuring display locations, units, and resolution.
Details how to select excitation modes, resistance ranges, and use autorange.
Explains how to use voltage excitation mode and its associated parameters.
Describes how to use current excitation mode for resistance measurements.
Covers parameters related to measurement input, specific to scanner channels.
Procedure for selecting input channels, especially when using scanners.
Configuration settings applicable to all input channels, including frequency and common mode reduction.
Allows changing the excitation frequency for measurement or to avoid interference.
Enables/disables the feature to reduce noise on measurement leads.
Provides an overview of operating the instrument with optional scanners.
Explains how to manually select active scanner channels for measurement.
Details the firmware filter settings for measurement resolution and noise reduction.
Covers using the Model 370 for measuring temperature with resistive sensors.
Explains how to operate and configure the temperature control loop.
Parameters for configuring the temperature control loop, including mode and channel selection.
Allows selection of setpoint units as Ohms or Kelvin for temperature control.
Provides detailed steps for manually setting Proportional, Integral, and Derivative PID parameters.
Describes setting manual heater output levels for open or closed-loop control.
Explains how to configure the setpoint ramp feature for smooth temperature transitions.
Details the feature for automatically capturing maximum and minimum readings.
Covers scaling measurement data using linear equations for display or output.
Explains how to set up and configure high/low alarms for measurement channels.
Describes configuring and operating the instrument's relays for alarm or manual control.
Lists and describes the function of each key on the Model 370 front panel.
Explains basic keypad operations: direct, setting selection, and data entry.
Guides through configuring display parameters like locations, sources, and resolution.
Details how to set the display resolution for each reading location.
Explains how to adjust the VF display brightness settings.
Information on storing and managing up to 20 user-defined temperature response curves.
Details parameters used for identifying and configuring temperature curves.
Explains how to enter and manage breakpoint data for sensor calibration curves.
Describes the CalCurve service for transferring sensor calibration data.
Outlines operations for entering, editing, copying, and erasing curves via the front panel.
Step-by-step guide for entering or editing user-defined temperature curves.
Procedure for deleting user-defined temperature curves from the instrument.
Explains how to copy temperature curves between storage locations.
Details the process of setting up and using custom temperature zones for PID control.
Guides on configuring parameters for up to 10 custom temperature zones.
Explains how to activate and utilize zone tuning mode for adaptive control.
Describes the IEEE-488 interface standard and its implementation on the Model 370.
Instructions for setting IEEE-488 address and terminators for communication.
Details the types of commands (Bus Control, Common, Device Specific, Message Strings).
Explains the Status Byte Register and Standard Event Status Register for monitoring instrument status.
Provides examples of Visual Basic programs for IEEE-488 communication.
Step-by-step guide for setting up a Visual Basic program for IEEE-488 control.
Provides guidance for troubleshooting IEEE-488 interface issues.
Describes the RS-232C serial interface and its configuration for communication.
Details the physical connection requirements for the RS-232C serial interface.
Explains the hardware features supporting the serial interface, including baud rates and timing.
Defines the structure and types of message strings used for serial communication.
Explains user program responsibilities for managing serial communication flow control.
References example programs for serial communication setup and operation.
Describes how to run and interact with the serial interface example program.
Provides guidance for troubleshooting serial interface communication issues.
Lists and describes all IEEE-488 and Serial Interface commands alphabetically.
Lists the available Model 370 configurations and optional scanner models.
Details optional features and software available for the Model 370.
Lists accessories available for the Model 370, including connectors and cables.
Provides contact information for sales, service, and support inquiries.
Outlines the procedure for returning instruments for service, repair, or recalibration.
Describes the fuse drawer, its location, and fuse ratings.
Instructions for changing the instrument's line voltage setting.
Procedure for replacing instrument line fuses, emphasizing correct type and rating.
Lists and explains error messages that may appear during instrument operation.
Provides guidance for diagnosing and resolving common instrument problems.
Explains how the instrument monitors analog circuits for overload conditions.
Details the CS OVL error message, its causes, and resolution steps.
Describes the VCM OVL error, likely causes related to common-mode noise, and solutions.
Explains the VDIF OVL error, related to input amplifier overload.
Details the VMIX OVL error, associated with the phase sensitive detector mixer stage.
Indicates the resistance range is too low for the measured resistance.
Indicates a range issue or reversed lead polarity, and how to resolve it.
Guides on using monitor outputs to diagnose signal level and noise issues.
Describes how to analyze observed signals to identify the character of offending noise.
Explains the importance of phase relationship and its impact on measurement accuracy.
Step-by-step instructions for safely removing and reinstalling the instrument enclosure.
Precautions for handling ESDS components to prevent damage from static discharge.
Procedure for replacing integrated circuits (ICs) related to firmware.
Defines various connectors and provides cable definitions for system setup.
Details the pin assignments and functions of the SCAN CONTROL connector.
Defines the pin assignments for the resistor sensor input connectors.
Details the pin assignments for the Reference and Monitor output connectors.
Defines the pin assignments for the HEATER OUTPUT connector.
Defines the pin assignments for the Analog Output 1 and 2 connectors.
Details the connections and pin assignments for the ALARM RELAYS terminal block.
Provides pin assignments for the RS-232 (DTE) connector for serial communication.
Suggests cable wiring diagrams for connecting the Model 370 Serial Interface to PCs.
Details the pin locations and signal names for the IEEE-488 interface connector.
Provides information and procedures for calibrating the Model 370's measurement, analog, and heater outputs.
Explains the use of computer interface commands for calibration procedures.
Details the complex process of calibrating the resistance measurement input.
Procedure for calibrating the voltage zero offset for measurement ranges.
Steps for calibrating the voltage gain coefficients for measurement ranges.
Procedure for calibrating the gain of the current source for various ranges.
Details how to calculate and apply frequency compensation coefficients.
Explains calibration for scanner pre-amplifier compensation.
A step-by-step example for calibrating measurement inputs using known resistors.
Procedure for calibrating the analog voltage outputs for accuracy.
Details the calibration process for the heater output ranges.
Lists and describes calibration-specific interface commands.
Defines fundamental terms related to temperature measurement and units.
Provides a graphical comparison of Celsius, Fahrenheit, and Kelvin temperature scales.
Lists formulas for converting between Fahrenheit, Celsius, and Kelvin temperature scales.
Defines temperature as a fundamental unit and describes Celsius, Fahrenheit, and Kelvin scales.
Visually compares the Celsius, Fahrenheit, and Kelvin temperature scales.
Provides formulas for converting temperatures between Celsius, Fahrenheit, and Kelvin.
General safety considerations when using liquid helium and nitrogen.
Compares the properties of liquid helium and liquid nitrogen.
Instructions for the safe operation and handling of cryogenic storage Dewars.
