Read and understand this instruction manual before operating
detector. Improper use of the detector could result in bodily harm or
death.
Periodic calibration and maintenance of the detector is essential for
proper operation and correct readings. Please calibrate and maintain
this detector regularly! Frequency of calibration depends upon the
type of use you have and the sensor types.
Typical calibration frequencies for most applications are between 3
and 6 months, but can be required more often or less often based on
your usage.
65-2301RKSS Toxic Detector
Product Warranty
RKI Instruments, Inc. warrants gas alarm equipment sold by us to be free from defects in materials,
workmanship, and performance for a period of one year from date of shipment from RKI Instruments,
Inc. Any parts found defective within that period will be repaired or replaced, at our option, free of
charge. This warranty does not apply to those items which by their na ture are subject to deterioration
or consumption in normal service, and which must be cleaned, repaired, or replaced on a routine
basis. Examples of such items are:
Warranty is voided by abuse including mechanical damage, alteration, rough handling, or repair
procedures not in accordance with the operator’s manual. This warranty indicates the full extent of
our liability, and we are not responsible for removal or replacement costs, local repair costs,
transportation costs, or contingent expenses incurred without our prior approval.
THIS WARRANTY IS EXPRESSLY IN LIEU OF ANY AND ALL OTHER
WARRANTIES AND REPRESENTATIONS, EXPRESSED OR IMPLIED, AND ALL
OTHER OBLIGATIONS OR LIABILITIES ON THE PART OF RKI I NSTRUMENTS,
INC. INCLUDING BUT NOT LIMITED TO, THE WARRANTY OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. IN NO
EVENT SHALL RKI INSTRUMENTS, INC. BE LIABLE FOR INDIRECT,
INCIDENTAL, OR CONSEQUENTIAL LOSS OR DAMAGE OF ANY KIND
CONNECTED WITH THE USE OF ITS PRODUCTS OR FAILURE OF ITS
PRODUCTS TO FUNCTION OR OPERATE PROPERLY.
a) Absorbent cartridgesd) Batteries
b) Pump diaphragms and valvese) Filter elements
c) Fuses
This warranty covers instrumen ts and parts sold to users by authori zed distributors, dealers, and
representatives as appointed by RKI Instruments, Inc.
We do not assume indemnification for a ny accident or damage caused by the operation of this gas
monitor, and our warranty is limited to the replacement of parts or our complete goods.
This manual describes the 65-2301RKSS toxic detector. This manual also describes how to install, start
up, maintain, and calibrate the toxic detector when used with a gas monitoring controller. A parts list
at the end of this manual lists replacement parts and accessories for the toxic detector.
The 65-2301RKSS detector can be used for various target gases which are listed in Table 1 below. For a
particular target gas, the part number of the toxic detector will be of the format 65- 2301RKSS- XXX. For
example, 65-2301RKSS-NH3 is for ammonia (NH
Specifications
WARNING: Do not use this product in a manner not specified in this instruction manual.
Table 1 lists specifications for the various 65-2301RKSS toxic detectors.
65-2301RKSS-HCN: Hydrogen Cyanide (HCN)
65-2301RKSS-NH3: Ammon i a (NH
65-2301RKSS-SO2: Sulphur Dioxide (SO
65-2301RKSS-PH3: Phos phi n e (PH
)
3
)
2
)
3
Sampling MethodDiffusion
Detection RangeAsH
: 0 - 1.50 ppm
3
: 0 - 3.00 ppm
Cl
2
Cl
: 0 - 10.0 ppm
2
HCN: 0 - 15.0 ppm
: 0 - 75.0 ppm
NH
3
: 0 - 6.00 pp m
SO
2
: 0 - 1.00 ppm
PH
3
Accuracy± 10% of reading or ± 5% of full scale (whichever is greater)
Response Time• Cl
and NH3: T90 in 90 seconds
2
• All others: T90 in 45 seconds
Operating Temperature &
Humidity
• 14°F to 104°F (-10°C to 40°C)
• 20% to 90% Relative Humidity
WARNING: When using the 65-2301RKSS, you must follow the instructions and warnings in this
manual to assure proper and safe operation of the 65-2301RKSS and to minimize the
risk of personal injury. Be sure to maintain and periodically calibrate the 65-2301RKSS
as described in this manual.
65-2301RKSS Toxic Dete cto r • 5
Description
3/4 NPT Conduit Hub
Sta inles s Stee l
Junct ion B ox
Tox ic Det ector
Locking Set Screw
Text Oriented
This Way
Splash Guard
(removable)
Sensor
(different for each d etector type)
Detect or Ho using
Cap
Cap Gasket
Det ector Housing B ody
(d iffer ent for ea c h d e t e c tor type )
This section describes the components of the 65-2301RKSS. The 65-2301RKSS includes the 65-2300RK
toxic detector and a junction box. Figure 1 below shows the components of the 65-2301RKSS.
Figure 1: 65-2301RKSS Component Location
65-2300RK Toxic Detector
The 65-2300RK toxic detector consists of the detector housing body, detector housing cap,
splashguard, cap gasket, and the plug- in sensor.