Smart Sensor AR925 User Manual

Version：SZ925-1-01
ModelAR925
SENSOR
SMART
Small cone-shaped
Cylinder-shaped
Big cone-shaped
R
P
M
U
N
I
T
M
EM
M
A
X
M
IN
O
N
N
U
LL
SENSOR
SMART
Digital Tachometer
AR925
MI N
1、Features:
1.1 Applying the MCU and electrooptical
technology, can perform contact
measurement of rotating and linear rolling
speed efficiently.
1.2 Wide measuring range and high resolution.
1.3 Large LCD display.
1.4 Automatically store the MAX, Min and
LAST value.
1.5 Accessories convertible for different me
asurement
1.6 Equipped with convex channel lineal rate
sensor, it is convenient for measuring the
lineal rate of the wire, cable and ropes etc.
1.7 Low battery indication.
1.8 Elegant and easy to use.
1.9 Solid structure built with durable electronic
elements and light ABS plastic house.
2、 General Characteristic:
2.1 LCD Display: 5 digits
Accuracy: ± (0.05%+1dgt)
Sampling rate: 0.8 sec. (Over 60 RPM)
Auto range
Size：155× 55×35 mm
Power supply: 3× 1.5V AAA batteries
Power consumption： About 30 mA
2.2 Memory Function
When the power is ON, we can check the
MAX/MIN/ LAST value by keep pressing the
?MEM? button. The LCD display MAX
value first,then MIN value, finally LAST value.
2.3 Battery replacement:
（1 ） It is necessary to replace the battery when
The low battery indicator ? ? appear on
the display.
（2）Open the battery door and remove the
battery.
（3）Install the new batteries (3pcs AAA
battery) properly.
（4）If the unit will not be used for a long time,
take out the batteries to prevent leakage of
the battery.
2.4 Notes:
There are 3 kinds of rubber tip for rotating
speed measurement. The big cylinder-
shaped and cone-shaped are suitable for
low speed meas urement, the small cone-
shaped is suit ablefor high speed mea
surement. as shown below:
3、Specifications:
3.1 Measurement range
0.5 ~ 19999 RPM
0.05 ~ 1999.9 m/min (linear rolling speed)
0.2 ~ 6560 ft/min (linear rolling speed)
3.2 Resolution
0.1 RPM (0.5~999.9 RPM) / 1RPM
(above 1000 PPM)
0.01 m/min (0.05~99.9 m/min) / 0.1 m/min
(above 100 m/min)
0.1 ft/min (0.1~999.9 ft/min) / 1ft/min
(above 1000 ft/min)
Version：SZ925-1-01
ModelAR925
SENSOR
SMART
Small cone-shaped
Cylinder-shaped
Big cone-shaped
R
P
M
U
N
I
T
M
EM
M
A
X
M
I
N
O
N
NU
L
L
SENSOR
SMART
Digital Tachometer
AR925
MI N
Contact Tachometer
Instruction Manual
1、Features:
1.1 Applying the MCU and electrooptical
technology, can perform contact
measurement of rotating and linear rolling
speed efficiently.
1.2 Wide measuring range and high resolution.
1.3 Large LCD display.
1.4 Automatically store the MAX, Min and
LAST value.
1.5 Accessories convertible for different me
asurement
1.6 Equipped with convex channel lineal rate
sensor, it is convenient for measuring the
lineal rate of the wire, cable and ropes etc.
1.7 Low battery indication.
1.8 Elegant and easy to use.
1.9 Solid structure built with durable electronic
elements and light ABS plastic house.
2、 General Characteristic:
2.1 LCD Display: 5 digits
Accuracy: ± (0.05%+1dgt)
Sampling rate: 0.8 sec. (Over 60 RPM)
Auto range
Size：155× 55×35 mm
Power supply: 3× 1.5V AAA batteries
Power consumption： About 30 mA
2.2 Memory Function
When the power is ON, we can check the
MAX/MIN/ LAST value by keep pressing the
?MEM? button. The LCD display MAX
value first,then MIN value, finally LAST value.
2.3 Battery replacement:
（1 ） It is necessary to replace the battery when
The low battery indicator ? ? appear on
the display.
（2）Open the battery door and remove the
battery.
（3）Install the new batteries (3pcs AAA
battery) properly.
（4）If the unit will not be used for a long time,
take out the batteries to prevent leakage of
the battery.
2.4 Notes:
There are 3 kinds of rubber tip for rotating
speed measurement. The big cylinder-
shaped and cone-shaped are suitable for
low speed meas urement, the small cone-
shaped is suit ablefor high speed mea
surement. as shown below:
3、Specifications:
3.1 Measurement range
0.5 ~ 19999 RPM
0.05 ~ 1999.9 m/min (linear rolling speed)
0.2 ~ 6560 ft/min (linear rolling speed)
3.2 Resolution
0.1 RPM (0.5~999.9 RPM) / 1RPM
(above 1000 PPM)
0.01 m/min (0.05~99.9 m/min) / 0.1 m/min
(above 100 m/min)
0.1 ft/min (0.1~999.9 ft/min) / 1ft/min
(above 1000 ft/min)
Contact Tachometer
Instruction Manual

Smart Sensor AR925 Specifications

General

Brand	SMART SENSOR
Model	AR925
Type	Metal Detector
Adjustable Sensitivity	Yes
Adjustable Discrimination	Yes
Operating Frequency	7.2 KHz
Operating Temperature	0～50℃

Summary

Product Features Overview

Core Measurement Technology

Utilizes MCU and electro-optical tech for efficient rotating and linear speed measurement.

Wide Measuring Range and High Resolution

Device offers a broad measuring range and high resolution for accurate readings.

Large LCD Display

Features a large LCD screen for easy viewing of measurements.

Automatic Data Storage

Automatically stores maximum, minimum, and last recorded values for review.

Versatile Measurement Accessories

Includes accessories that can be adapted for various measurement needs.

Linear Rate Measurement Sensor

Equipped with a convex channel sensor for measuring wire, cable, and rope linear rates.

Low Battery Indicator

Alerts the user when the battery level is low, ensuring continuous operation.

User-Friendly Design

Designed for an elegant appearance and ease of use by the operator.

Durable Construction

Features a robust structure with durable electronic components and ABS housing.

General Characteristics and Specifications

Technical Specifications

Details LCD specs, accuracy, sampling rate, auto range, dimensions, power, and consumption.

Memory Functionality

Allows users to recall MAX, MIN, and LAST values by pressing the MEM button.

Battery Replacement and Care

Instructions for replacing batteries and precautions for long-term storage.

Rubber Tip Usage for Measurement

Guidance on selecting the appropriate rubber tip for low and high-speed measurements.

Measurement Range

Defines the RPM and linear speed measurement ranges for the device.

Measurement Resolution

Specifies the precision (resolution) for RPM, m/min, and ft/min measurements.

Diagram and Control Elements

Device Component Identification

Identifies key components of the tachometer, including LCD, buttons, and battery door.

Operating Instructions

Rotating Speed Measurement (RPM)

Guide for performing measurements of rotational speed in RPM.

Linear Surface Speed Measurement (Metric)

Instructions for measuring linear speed in meters per minute (m/min).

Linear Surface Speed Measurement (Imperial)

Instructions for measuring linear speed in feet per minute (ft/min).

MAX/MIN Mode Operation

How to enter and use the MAX/MIN modes to capture extreme values.

Unit Selection

Procedure for switching between RPM, m/min, and ft/min measurement units.

Memory Function Access

How to display stored MAX, MIN, and LAST values using the MEM button.

Power ON/Reset Functionality

Instructions for turning the unit on and resetting the current reading.

Auto Power Shut-off

Information regarding the automatic shutdown feature to conserve power.

Included Accessories

List of items provided with the tachometer for various uses.

Specific Declarations and Compliance

Notes on product updates, design changes, and battery disposal regulations.