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Nagano Keiki GC31 - User Manual

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TY-GC31-004A
Rev.B
GC31 Digital Pressure Gauge
Instruction Manual
NAGANO KEIKI CO., LTD.
Oct., 2023
8.0

Questions and Answers

Nagano Keiki GC31 Specifications

General IconGeneral
ModelGC31
CategoryMeasuring Instruments
ManufacturerNagano Keiki
Pressure typeGauge Pressure
Fluid temperature-10 to 60 °C
Protection structureIP65
Output signal4 to 20 mA
Electrical connectionConnector type
Pressure connection1/4 NPT

Summary

For Proper and Safe Operation

Specifications

Outline Drawing

Bracket and Panel Adaptor Options

Mounting

Connection and Wiring

Noise Prevention

Storage Location

Maintenance

Mode Navigation and Functions

Function Setting Mode

Comparator Operation Selection

Selects hysteresis or window comparator operation mode for output 1/2.

Display Selection

Selects pressure display unit (SI or scaled) for the device.

LED Display Scaling

Customizes decimal point and min/max display values for the LED.

Filter Selection

Selects internal time constant filters to stabilize fluctuating readings.

Analog Output Scaling

Sets pressure values for analog output zero and span points as a percentage.

Comparator and Loop Check Modes

Comparator Setting Mode

Configures comparator output points (A, b), ON/OFF delay times.

Loop Check Mode

Simulates input to confirm comparator and analog output operation.

Comparator Operation Modes

Hysteresis Mode Operation

Configures comparator with upper/lower limits and dead band.

Window Comparator Operation

Configures comparator with two points (A, B) and fixed dead band.

Other Functions and Operations

Basic Key Operations

Describes how to use UP/DOWN keys for setting values and key lock.

Zero Point Adjustment Mode

Explains how to perform automatic zero adjustment of the display.

Peak Hold Display Mode

Displays maximum and minimum pressure levels (peak/bottom values).

Key Lock Function

Prevents inadvertent overwriting of settings by locking keys.

Error Display and Handling

Troubleshooting Guide

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