Tohnichi STC2-G User Manual

DigitalTorqueScrewdriver
ModelSTC2-G
STC200CN2-G
※Bitsaresoldseparately.
※Commerciallyavailablehexagonalbits
witha6.35mmwidthacrossflatscanbeused.
To customers:
Before using this product, please read this operating instruction carefully
to use it properly.
If you have any question, please contact your nearest distributor or
TOHNICHI MFG. CO., LTD.
This operating instruction should be stored in a safe place.

Tohnichi STC2-G Specifications

General

Brand	Tohnichi
Model	STC2-G
Category	Power Screwdriver
Language	English

Summary

Names of Parts

Display Component

Shows torque values, units, mode, and battery status.

Power and Mode Control Key

Switches power ON/OFF and controls device modes.

Decrement and Increment Key

Adjusts counter values, decrements or increments.

Data Save Key

Press to save measurement data.

Status Indicator LED Ring

Signals OK/NG judgments and charging status.

Audible Notification Buzzer

Provides alerts and notifications via sound.

Setting Mode Configuration

Unit Selection

Configure the measurement unit (e.g., cNm, Nm).

Measurement Mode Selection

Choose between inspection and tightening modes.

Upper Limit Setting

Define the maximum acceptable torque value.

Lower Limit Setting

Define the minimum acceptable torque value.

Tightening Direction Setup

Set the rotational direction for tightening (CW/CCW).

Auto Memory/Reset Timer

Configure automatic data saving or resetting intervals.

Buzzer Enable/Disable

Turn the audible buzzer alerts ON or OFF.

Automatic Power-Off Timer

Set the inactivity period before power-off.

Baud Rate for Communication

Set the data transfer speed for serial communication.

Data Length Configuration

Specify the number of data bits for serial transmission.

Parity Bit Setting

Configure the parity bit for error checking in serial communication.

Factory Default Reset

Restore the device to its original factory settings.

Usage Modes and Operation

Inspection Mode Operation

Guide to using the device for inspection tasks.

Powering On in Inspection Mode

Steps to activate the device for inspection.

Reverse Video Display Function

How to invert the screen display for better visibility.

Retightening Inspection Procedure

Performing checks on previously tightened fasteners.

Inspection Data Review

Accessing and reviewing stored inspection results.

Tightening Mode Operation

Guide to using the device for tightening tasks.

Powering On in Tightening Mode

Steps to activate the device for tightening.

Reverse Video Display in Tightening

Inverting the screen display for tightening mode.

Tightening Process Feedback

Understanding LED and buzzer feedback during tightening.

Tightening Data Review

Accessing and reviewing stored tightening results.

Torque Range and Battery Status

Torque Measurement Ranges

Table detailing torque ranges for different models.

Sufficient Battery Capacity

Indicates the battery is adequately charged.

Low Battery Capacity

Shows the battery level is about half.

Recharge Required

Indicates the battery needs recharging soon.

Battery Alarm State

Signals the battery is depleted and requires immediate charging.

Data Calculation Functions

Computation Starting Counter

Setting the starting counter for data calculations.

Data Volume Display

Shows the total number of recorded data points.

Maximum Value Display

Shows the highest recorded measurement value.

Minimum Value Display

Shows the lowest recorded measurement value.

Average Value Display

Shows the average of all recorded measurement values.

Measurement Data Output

Computation Screen Access

Accessing the screen for data range selection for output.

Starting Counter for Output

Setting the starting point for data output.

Batch Data Transmission

Performing batch output of measurement data.

Interrupting Data Output

Procedure to stop ongoing data output.

Measurement Data Memory Clear

Clearing Single Data Value

Method to clear a single data entry.

Data Range Specified Clearing

Clearing data within a specified range.

External Output Specifications

USB Output Method

Steps for connecting and using the USB output feature.

Data Output Format

Describes the structure of the data transmitted via USB.

Charging Procedures

AC Adapter Charging

Instructions for charging using an AC adapter.

PC (USB) Charging

Instructions for charging via a USB connection to a PC.

Charge Status Indicators

Explains LED indications for charging status.

Error Handling and Reset

Error Displays and Corrections

Lists common error codes and their corrective actions.

Device Reset Operation

Describes the procedure to reset the device.