Smart Sensor AR991 User Manual

a SMART
SENSOR
Grain Moisture Meter
Version: SS991-1
MODEL: AR991
User Manual
SMART
rMse AR
Thank
you for
purchasing
Smart
Sensor's
product.
Please read this manual before using the product.
It will show you the right way to operate and also
easy
way
to
maintenance,
in
order
to
exert the
durable
performance of instrument.
1. All varieties codes and moisture
measurement range
Variety| Paddy Wheat Corn Barley
Code
P2
P3
Range 11-55 ||-55|.5-50 11-50
PO
P
2. Display:
PE
Variety Rapeseed |Seed Melon Sesame Soymeal Soybean Peanut Secd Coton
Code P7
PI3
Range 7.5-44 ||~50 7.5~44 7.5~44 10-50 10-50 1.5~44
P9
PI0
Ricc Sorghum Fecd
d2
=
high
moisture
content,
d3
=
Voice-over
off,
d4 = bip-sound.
P5 P6
English characters with a low-power digital LCD
backlight.
Low-power
backlight
Description:
Backlight will be off when no measurment, and the
backlight will
be
on
when
measuring.
3. Voice-Over:
P4
Instrument
settings,
testing,
inspection,
all
accompanied
by
a
voice
reminder.
Language: English voice-over includes the
following 4 modes:
dl
=The
moisture
content
readings,
5. Deviation adjustment:
6. Alarm setting:
PII
4.
Power
supply:
4
*
AA
batteries
PI2
Oven
control
calibration
method, user can
adjust
-3% to +5%. Click the"Adiust" butlon to adjusl
the loop gain value, first addition and then subtraction.
Aler amendment, press the "ON/OFF" butlon lor
2 seconds. The setting will be saved when shuting
down.
Adjustable, factory delault alarn is 10.
Product appearance and structure:
Probe
LCD
Adjust
Limit
On/Off
r
n Maistura
7. Sensor type: Double probe.
Probe
Varieties
Selection
Voice-over
Selection
Handle
8. Moisture meausrment resolution: 0.1%
9. Memory funetion setting:
ITthe battery was removed, the setting content
will never disappeur. To save the setting content,
press the "ON7OFF" buton for twO seconds.
The setting will be saved when shutting down.
||-50 ||-50 L.5-50|

Smart Sensor AR991 Specifications

General

Brand	Smart Sensor
Model	AR991
Category	Measuring Instruments
Language	English

Summary

Grain Moisture Measurement Capabilities

User Interface Features

Display Description

English characters with low-power LCD backlight. Backlight activates during measurement.

Voice-Over Modes

English voice reminders for readings, high moisture, off, or bip-sound during operation.

Device Operation and Settings

Power and Memory Settings

Uses 4 AA batteries. Settings are saved even when batteries are removed.

Calibration and Alarms

Allows deviation adjustment (-3% to +5%) and adjustable alarm settings, default 10%.

Technical Specifications

Sensor and Resolution Details

Features a double probe sensor and measures moisture with 0.1% resolution.

Measurement Principles and Operation

Measuring Principle and Sampling

Utilizes resistance method and continuous sampling for moisture measurement.

Button Functions Overview

Details the functions of ON/OFF, Variety, Adjust, Voice-over, and Limit buttons.

Measurement Limits and Single Measurement

Explains behavior for readings within range, too dry (LO), or too wet (Limit).

Battery and Safety Information

Battery Installation and Low Power

Instructions for installing 4 AA batteries and low power indicator.

Product Statement and Disposal

Notes on design upgrades, manual updates, and battery disposal regulations.