Riken Keiki RX-8700 Quick Start Manual

MODEL RX-8700 CONDENSED USER GUIDE

Inspections before use

1. Check that the battery level is sufficient.
2. Check that there are no bends or holes in the gas sampling hose and filter tube.
3. Check that the filter in the gas sampling probe and filter
tube are free of dust or clogging.
4. Check the gas monitor + (1) Relay tube + (2) Filter tube + (3)
Gas sampling hose + (4) Gas sampling probe in order to make
sure they are connected properly.

Usage

1. Turning the power on

Hold down the POWER/ENTER button (three seconds
or more) until the buzzer beeps to turn the power on.
When "Filter Probe" is displayed, check that the filter
tube is connected and press the ENTER button. The
buzzer beeps twice and then the measurement
screen is displayed.
RX-8700 is started in H
measuring mode.

2. Performing air calibration

When performing air calibration in atmosphere, check the atmosphere for freshness before starting.
[Air calibration procedure screen]
(1)
Press and hold the AIR
button on the measurement
screen.

3. Switching the hydrogen sulfide measuring mode range

Use this to switch between H
[low concentration] measuring mode.
Hold down the L/H button (about one second) and
release your finger when the buzzer beeps once.
To switch the measuring mode, check that the
hydrogen sulfide concentration is less than 100
ppm in the H S [high concentration] measuring
2
mode first. Higher concentrations may cause
damage to the sensor.

4. Performing measurements

Measure the gas concentration from the measurement screen. Put the gas sampling probe close to the
measurement area.
Once gas concentration measurement starts, the gas monitor draws in measuring gas for a certain
period of time and then displays a concentration value as the measurement result.

5. Turning the power off

Press and hold the POWER/ENTER button until the buzzer beeps three times and the LCD display
turns off.
Note: Refer to the operating manual for more details.
S [high concentration]
2
(2)
⇒
Release your finger from the
AIR button when the screen
above is displayed.
S [high concentration] measuring mode and HC/O
2
(3)
(4)
[Names of each part]
LCD display
Buzzer sound
opening
Alarm window
△/AIR button
PUMP/▽ button
(3)
⇒
The screen above is
displayed when air
calibration is completed.
H S [high concentration]
2
measuring mode
PT0E-1860
(2)
Alarm
window
Infrared port
Alarm
window
PEAK/L/H
ESC button
POWER/ENTER
button
/H S
2 2
HC/O /H S [low concentration]
2 2
measuring mode
(1)