ZyAura ZG906CMONP User manual
Handheld Multi Gas Detector Operating Instructions
Model: ZG906CMONP
Product Overview
Thank you for selecting ZG906CMONP handheld multi gas detector. The ZG906CMONP is designed to
simultaneously measure multiple gas concentrations in the ambient environment. With long-term data storage,
the user can assess the environmental friendliness. When ZG906CMONP measures the gas concentration
reaching the alarm setting or higher, the data display and alarm functions are activated. ZG906CMONP is
equipped with an RS485 interface for connecting to a computer for remote monitoring so as to reduce the risk
of exposure to high concentrations of harmful gases and avoid harm to human health. ZG906CMONP can be
used in a wide range of industries, which include paint-related industries, wineries, related industries of CO
2
,
food industry, laboratory, construction industry, etc.
Features:
□V Dual beam NDIR (Non-Dispersive-Infrared) technology is used to measure CO
2
concentration and
improve the long term stability.
□VMeasurement items:
Basic: CO
2
, CO, PM2.5, PM10, RH, DP, AMB, Barometer
Optional: O
2
, NH3
□V Large LCD for easy reading of gas concentration and temperature and humidity.
□V Audible alarm
□V Data logging with SD card
□V Through the RS485 interface connection, multiple ZG906CMONP units can be connected to the back-end
computer system as a security monitoring application.
□V Built in the LCD backlight for easy reading in the dark.
□V This device is supplied with Li- ion 18650 3.7V rechargeable batteries, can be used for a long time.
A. Power Key B. Humidity Sensor C. Temperature Sensor D. LCD
E. Charge Lamp F. M1 (Zone 1 Mode Key) G. UP\TWA\STEL\Max\Min H. M2 (Zone 2 Mode Key)
I. Enter J. DOWN\ALTI K. Log (Data Logger) L. USB Socket
M. SD Card Slot N. RS485 Jack O. Battery Cover P. Stand
Q. Screw Position R. Tripod Screw
Key description:
M1 (○
F
) Zone 1 sensor selection (CO
2
, CO, O
2
, AMB)
M2 (○
H
) Zone 2 sensor selection (CO
2
, CO, O
2
, NH3, RH, DP, AMB, PM2.5, PM10)
▲(○
G
) TWA (CO
2
, 8-hr time weighted average), STEL (CO
2
, 15 min. weighted average), MAX, MIN
▼(○
J
) ALTI (Atmospheric pressure)
Enter (○
I
) Execute a command or select options.
Log (○
K
) Data logger
LCD display symbol description:
Symbol Description
Basic○ Optional△
CO
2
concentration, parts per million (ppm) ○
CO concentration, parts per million (ppm) ○
PM2.5 dust concentration (µg/m
3)
○
PM10 dust concentration (µg/m
3)
△
O
2
concentration (%) △
NH3 concentration ppm (parts per million) △
Battery capacity ○
Atmospheric pressure ○
Time weighted average (8 hours) ○
ShortTerm Exposure Limit
(15 min. weighted average) ○
Maximum value ○
Minimum value ○
Ambient temperature ○
Relative humidity ○
Dew point ○
Real-time setting display ○
Year display ○
High/low gas concentration calibration ○
High/low gas concentration alarm ○
Display cycle ○
SD card ○
Operation Instructions
Power on:
Switch the Power Key (○
A
) on.
Measurement:
After power on, the device starts to measure and update the data every second.
Press the “M1” key (○
F
) to switch the Zone 1 sensor display. (CO
2
COO
2
AMB)
Press the “M2” key (○
H
) o switch the Zone 2 sensor display.
(CO
2
COO
2
NH3RHDPAMBPM2.5PM10)
Backlight:
The backlight appears on the screen during startup and operation. After the device is idle for 30 seconds, the
backlight is automatically turned off to extend battery life.
Display all sensor readings
Press the “M2” key (○
H
) for more than 3 seconds and the screen displays . Zone 2 displays readings
of all sensors sequentially in time intervals. If you need to increase the display interval time, long press the
“M2” key (○
H
).The interval time will automatically increase (1+0.5+0.5….. max. 10 seconds) , and release
the “M2” key (○
H
), the readings will be displayed according to the last set interval. If press the “M2” key (○
H
)
again for more than 3 seconds, the function can be cancelled.
Real-time setting:
Long press the “M1” key (○
F
) to proceed the date and time setting. The default format is 24-hour. Press the
“▲(○
G
)/▼(○
J
)” key to edit the parameters, and press the “Enter” key (○
I
) to proceed the next setting. The
setting sequence is: yearmonthdatehourminute. After finishing the real-time setting, press the “M1”
key (○
F
) to continue the alarm setting.
Alarm settings:
The setting order of the sensors is CO
2
COO
2
HN3PM2.5. Press the "Enter" key (○
I
) to switch the
high/low gas concentration alarm setting. Press “▲(○
G
)/▼(○
J
)” key to edit the parameters, and then press
the “M1” key (○
F
) to proceed the next sensor alarm value settings. After settings, press and hold the “M1” key
(○
F
) to return to the main screen.
Sensor warm-up time and logging Interval:
Data logging:
Press the “Log” key (○
K
) for 3 seconds and the screen displays to start the data logging function. If long
press the “Log” key (○
K
),this function can be canceled. When flashes, it means that the SD card is
broken or full; when remains stationary, it indicates normal operation.
Data logging interval time setting:
The default interval time is 00:02 (2 seconds). Press the “Log” key (○
K
) for more than 3 seconds and then the
interval time will automatically increase. The interval time, loop display, ranges from 00:02 seconds to 60:00
minutes and then back to 00:02 seconds. ≦
The interval time 5 minutes, the buzzer on/off switch is controlled
by the “Enter” key (○
I
)≧
; the interval time is 5 minutes, the buzzer is off.
°C/°F switch:
When the temperature is displayed on the screen, press the "▲" key (○
G
) to switch °C/°F.
Atmospheric pressure display:
Press "▼" key (○
J
), and then press "▲" key (○
G
) to select Altitude (M) Altitude (ft) Barometer
(mmHg). The display returns to the main screen after 10 seconds.
Atmospheric pressure compensation:
Press and hold the "▼" key (○
J
) to turn the compensation function on/off. The gas compensation is only for
CO
2
and O
2
.
No. Sensor Warm-up time
Data logging interval time setting
After powering on and standby time,
data logging can be operated.
Data logging interval
time setting
1 CO
2
＜1 minute After power on 5 minutes 2 seconds~60 minutes
2 CO 5 minutes After power on 5 minutes 2 seconds~60 minutes
3 O
2
＜1 minute After power on 5 minutes 2 seconds~60 minutes
4 NH3 5 minutes After power on 5 minutes 2 seconds~60 minutes
5 PM2.5
PM10 ＜1 minute After power on 5 minutes 2 seconds~60 minutes
(Display Features and Modes)
Buzzer on/off:
Press the “Enter” key (○
I
) to turn the buzzer on/off. During operation, if AL L or AL H buzzer
sounds, stops to operate. At this time, press the “Enter” key (○
I
) to turn off the buzzer and
continue . In addition, the buzzer will be automatically turned off when the data logging interval time
is ≧5 minutes.
Buzzer AL L/AL H:
When AL L is on, the buzzer sounds "Ta Ta Ta"; when AL H is on, the buzzer sounds "Bi Bi Bi".
RS485 communications:
Please use the 4 Pole 3.5mm headphone plug. The headphone plug contacts are defined as below:
For long-distance communication, it is necessary to use a dedicated isolated line to ensure communication
quality. The wiring method is as below:
Power off:
Switch the Power Key (○
A
) off.
Note: When the device is charged with USB, it cannot be turned off.
Calibration:
(1) Single-point calibration
At the same time, long press “▲(○
G
)“ and “▼(○
J
)“ key, CAL is displayed on the screen. Press the “M1” key
(○
F
) to select the sensor that needs to be calibrated. Press the “▲(○
G
)/▼(○
J
)” key to edit the parameters,
and then press the “Enter” key (○
I
) to proceed the next setting. Zone1 displays the unadjusted raw value;
Zone2 displays the adjusted value, and it is also the value of returning to the main screen;
Zone1-Zone2=adjustment amount. After finishing the setting, press and hold the “M1” key (○
F
) to return to the
main screen.
(2) Two-point calibration
At the same time, long press “▲(○
G
)“ and “▼(○
J
)“ key, CAL is displayed on the screen. And then long press
the “M2” key (○
H
), CAL L is displayed on the screen. Next, press the “M1” key (○
F
) to select the sensor that
needs to be calibrated (CO
2
COO
2
NH3PM2.5RHAMB) and the corresponding unit will blink.
Press "▲(○
G
)/▼(○
J
)" key to adjust the value of the standard gas concentration. Press “Enter“ key (○
I
) to
switch CAL H (High gas concentration calibration)/CAL L (low gas concentration calibration). The ppm unit is
not flashing for a moment, indicating that the calibration value has been stored. Long press the “M2” key (○
H
)
for a calibration calculation. At the same time, the screen displays the calibration reading to confirm the
accuracy. Short press the “M1” key (○
F
) to set the next gas calibration, or long press the “M1” key (○
F
) to
return to the main screen.
Clear Two-point calibration:
Set the same calibration value for CAL L and CAL H, and then proceed the calculation. After the calibration is
completed, the original calibration value is cleared.
Rechargeable Batteries
Battery message:
‘Battery OK’:
Measurements are possible
‘Battery Low’:
The battery needs to be recharged,
measurements are still possible
‘Battery Exhausted’:
Measurements are not possible
Battery installation:
This device is supplied with Li-ion 18650 3.7V rechargeable battery *3 pcs.
Please confirm whether batteries + polarity are Li ion18650 positive bump specification and install batteries in
the correct polarity. If the battery polarity is reversed, the capacity will be insufficient and the battery life will be
shortened.
Battery charging:
The charge lamp (○
E
) lights up while charging; the charge lamp (○
E
) goes off when charging is completed.
(5V/1A USB adapter charger)
Note: During battery charging, the temperature of the device will rise by 5°C~10°C. At this time, the
measurements of temperature and humidity will be affected by temperature rise. Cause an impact on
the accuracy of temperature when charging, please use a fan to blow toward the temperature sensor
(○
C
) directly in order to get a compensated balance of temperature and humidity between temperature
sensor and surrounding area.
Safety Instructions
Warning: Your safety is very important to us. To ensure to use the device correctly and safely, we would like
to draw your attention to read the warning and entire User Manual before using the device. These
are important safety information and should be observed at all times.
1. Please handle the device lightly, do not subject the device to impact or shock.
2. Do not immerse the device in water. Water can cause electric shock, fire or malfunction which may result in
damage.
3. Do not keep the device under the hot and moisture environment. Keep the device away from the heat
source or near water.
4. Please use a standard USB power supply (such as PC's USB port, universal AC adapter with USB port).
Improper power supply can cause serious damage to the device, or result in injury or death to the user.
Product Care
To ensure you receive the maximum benefit from using this device, please observe the follow guidelines.
1. The maximum capacity of the SD card is 16G.
2. During battery charging, the temperature of the device rises. The temperature and humidity sensors are
affected. At this time, measurements are only for reference. After batteries are fully charged and the device
cools down, measurements are reliable.
3. Repair – Do not attempt to repair the device or modify the circuitry by yourself. Please contact with the
local dealer or a qualified repairman if the device needs servicing.
4. Caution – The CO and NH3 sensors must be replaced every 3 years.
5. Cleaning – Disconnect the power before clean. Use a damp cloth, do not use the liquid cleaning agent,
such as benzene, thinner or aerosols.
6. Maintenance – Recommend that the user conducts a comprehensive test and calibration every year to
ensure the normal operation of the device.
Specifications
Measurement Range
Accuracy Display Resolution
CO
2
0~9,999ppm
(5,001~9,999ppm
over range)
±50ppm or 5% of reading,
whichever is greater (0~5,000ppm)
1ppm
CO 0~1,000 ppm ±5%~±10% 1ppm
O
2
0~25% <2% FS/0.1 mbar 0.01%
NH3 0~100ppm ±10% 1ppm
PM2.5
PM10 999 ug/m
3
±15% or ±15 μg/m³, whichever is
greater 1 ug/m
3
RH 0~100% RH ±3%@25°C (20~80% RH), others
±5% 0.01%
Temperature 0~50°C ±1°C 0.01°C
Barometer 50~110 kPa ±0.4kPa 0.1 mmHg
Operating
Conditions
0~40°C (32~104°F), 0~95% RH, non-condensing, with lithium-ion batteries
0~50°C (32~122°F), 0~95% RH, non-condensing, without lithium-ion batteries
Storage
Temp. -20~60°C (-4~140°F), 0~85% RH, non-condensing, without lithium-ion. batteries
Power
Supply Rechargeable Battery : Li-ion 18650 3.7V *3 (batteries not included)
AC Adapter : 5V±5% >1A, 100~240 VAC, 50/60 Hz
Storage
Capacity depend on SD card capacity (max.16G SD card)
Comm.
Interface RS485 ModBus BR19200、N、8、1
Alarm
Volume 80db±5%@10cm
Weight 305g (without batteries)
Dimension 204.5x91.7x49.6 mm (8.1x3.6x2 inch)
Note: After power-on, it would take 20 minutes for the device to stably measure the temperature and
relative humidity.
EMC/RFI: Readings may be affected if the unit is operated within radio frequency electromagnetic field
strength of approximately 3 volts per meter, but the performance of the instrument will not be
permanently affected.
Installation Instruction
1. You can put ZG906CMONP on the table (please pull out the Housing Stand
○
P
) or hang it on the wall.
2. Please note the following when hanging it on the wall. Choose a suitable location to install ZG906CMONP,
fix a screw to the wall.
Package contents
Handheld multi gas detector
Manual
USB 1.5M cable
Radiant Innovation Inc. Http://www.ZyAura.com
1F, No.3, Industrial East 9
th
Road, Science-Based Industrial Park, HsinChu,
Taiwan 300.
Ref.No.：122018
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