Sprague Gripper CTR-GAWL-150 User manual

User Manual

Wireless Cable Tension Meter

Model: Gripper CTR-GAWL-150

SPRAGUE

INSTRUMENTS

PN# 1345-001 Wireless 26 Nov 2020

Table of Contents

Overview.........................................................................................................................3

Contents in the Box .......................................................................................................3

Display Unit ....................................................................................................................4

Display units Buttons ....................................................................................................7

Battery Charging (Display & Sensor Units) .................................................................8

Charge Status Led Indications (Display & Sensor Units)...........................................8

Meter Reading ................................................................................................................8

Sensor Unit Power ON...................................................................................................9

Cable Size Selection Procedure ...................................................................................9

Sensor Out of Range .....................................................................................................9

Over Temperature Shutdown........................................................................................9

Tension/Temperature Unit selection ............................................................................9

Zero load Setting............................................................................................................9

Calibration Procedure .................................................................................................10

Device Info....................................................................................................................11

Setting Sensor ID .........................................................................................................11

Introduction

This document describes about the SPRAGUE Instrument’s Wireless Cable Tensiometer (Gripper

CTR-GAWL-150)specifications and user instructions.

Overview

Tensiometer is wireless strain measuring instrument. It uses Bluetooth technology for

communication between the sensor and display unit. Sensor unit measures tension in cable

which gets displayed on the display unit.

It consists of 2 Parts

•Display unit

•Sensor unit

Contents in the Box

•Display Unit

•Sensor unit

•Batteries for Display and Sensor unit

•5V Adapter

•User Manual

Descriptions

Display Unit

Sensor Unit

1. Temperature indication

2. Tension Reading

3. Power ON/OFF Button

4. Cable Size/Up Navigation Button

5. Tension Unit Selection/ Left Navigation Button

6. Settings/Down Navigation Button

7. Charging Port

8. Charge Indication

9. Zero Set/Right Navigation Button

10.OK Button

11. Display Backlight ON/OFF Button

12. Tension Unit

13. Sensor Signal Strength

14. Cable Size Selected

15. Temperature unit

1. Power Button

2. Connectivity Indication

3. Charge Indication

Sensor Bottom View

Sensor Top View

Specifications

Property

Details

Scale Range

10 to 150 Pounds

Scale Resolution

1 Pound

Scale Tolerance

+/- 2% of Full scale

Unit of Measurement

Metric – Kg, 0C

lbs – lb , 0F

Number of Calibrations

Supported Cables Sizes

1/16, 1/32, 1/8, 5/32, 3/16 inches

Ambient Temperature

Selectable 0C and 0F

Operating Temp Range

14 to 100 F (-10 to 40 C)

Storage Temperature

-4 to 122 F (-20 to 50 C)

Operating Modes

Measurement / Calibration / Firmware Update

Humidity

5 to 95 %

Communication

BLE 4.2 (Between Display Unit & Sensor Unit)

Wireless Range

10 meters

Display Unit

•Display

160 x 128 Dot Matrix LCD

Back light ON/OFF option

•Charging

5V DC / Charge status Indicator

1900mAH – Li Po Rechargeable Battery

~10000 Reading in single charge with back light OFF

~3000 Reading in single charge with back light ON

•Sleep mode

Activated of 5 Mins of inactivity

•Dimension

164x80x29mm

•Weight

160gm(approx.)

•Housing

ABS Plastic

Sensor Unit

•Charging Voltage 5VDC / Charge Status Indicator

•Power

500mAH – Li Po Rechargeable Battery

~4000 Reading in Single Charge

Sleep mode after 5 mins idle time

•Dimension 105x40x27mm

•

Weight

240gm(approx.)

•Housing Cast Iron

Operations

Display units Buttons

Buttons

Naming

Functions

Power ON/OFF Switch •Press to ON

•Hold 3 Secs to OFF

Tension Unit

Selection/Left

Navigation Switch

•Toggle lbs/Metric units for Tension

and Temperature

•Back Button / Navigate Left direction

Display Backlight

ON/OFF Switch

•Turn display backlight ON/OFF

Zero/Right Navigation

Switch

•Set Zero load offset

•Navigate Right direction

Cable Size/Up

Navigation Switch

•Select Cable Size (supported sizes

1/16, 1/32, 1/8, 5/32, 3/16 inches)

•Navigate Upward direction

Settings/Down

Navigation Switch

•Go to Settings

•Navigate downward direction

OK Switch •Confirmation for user action/settings

Battery Charging (Display & Sensor Units)

Both Meter and Sensor unit uses rechargeable battery which can be charged through 5V@1A

adapter.

Charge Status Led Indications (Display & Sensor Units)

Charge Status are indicated using dual color Led indications. For this Green and Blue color led are used.

Status of charge can be described using following table.

State LED

Charge in Progress Blue LED

Charge Complete

Green LED

Meter Reading

For start system operation, Power ON/OFF button need to be single pressed. On meter unit, display

will pop up with welcome screen for few seconds. LCD backlight will be ON by default. If required, it

can be turned OFF by pressing Backlight ON/OFF button

After that it displays following if Sensor is switched ON, it displays temperature, cable size, Sensor

Signal Strength and tension based on data received from sensor

Sensor Unit Power ON

•For start system operation, Power ON/OFF button need to be single pressed

•Green led will turn on and it will start transmitting tension data

•It will remain ON until not turned off

Cable Size Selection Procedure

•Desired cable size can be selected by single press on Cable Size Selection button.

•It will change from one cable size to the other on subsequent Cable size key press as shown.

•Supported cable diameter sizes are 1/16, 1/32, 1/8, 5/32, 3/16 inches.

•Each cable size calibration needs to be done independently.

Sensor Out of Range

•In case sensor is placed out of range or if it is turned OFF, it will display following

Over Temperature Shutdown

•In case sensor unit temperature reaches beyond 60o Celsius/ 140oFahrenheit, sensor unit will

go into shutdown.

Tension/Temperature Unit selection

•Meter supports both lbs unit (lb. for tension and degree Fahrenheit for temperature) and

metric unit (kg for tension and degree Celsius for temperature measurement).

•Pressing it will change from lbs to metric or metric to lbs when pressed

Zero load Setting

•Zero load can be set using Zero button. Once set to zero, tension value read will get set to 0lb

Settings

Calibration Procedure

Meter needs to be calibrated for each cable sizes and different weights before they can be used.

Following procedures describes the process of calibration

•Going to Settings menu- Press Settings buttons

•Display shows settings options as below. Use Up/Down button to select ‘Calibrate’. It will get

highlighted in Bold with arrow pointing to it.

•Press OK(Confirmation) button to enter Calibration process. It will ask for password to enter

calibration.

•Password is a 5-digit numerical number, whenever user provide the correct password it allows

to re-calibrate.

•User can use up and down navigation buttons to enter password. Password value for each

digit will increment on up button press and decrement on down button press.

•To select the next digit, press the right navigation button. User needs to enter 5 digits

password in total one by one.

•Once password is entered correctly, it displays following for 2sec

•Select desired rope size. Use Up/Down buttons to navigate to desired cable size

•Then it displays following.

•Press OK button to start calibration process for weight 10lb. It shows below (naming

conventions marked for clarification)

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