Oldham olct 80, User Manual

Page: 105 / 120

13
– Technical Specifications
99
Gas type Measure-
ment range
(ppm)
Explosion
-proof
sensor
Intrinsically
-safe
sensor
Temp.
range (°C)
% RH Accuracy (ppm) Average
service life
(months)
Resp. time
T50/T90 (s)
Storage
conditions
and time
Freon R32 1000

-20 to +55 20 - 95 +/- 15% (from 20-
70% PE)
40 25/90 (d)
Freon R407c 1000

-20 to +55 20 - 95 +/- 15% (from 20-
70% PE)
40 25/90 (d)
Freon R408a 1000

-20 to +55 20 - 95 +/- 15% (from 20-
70% PE)
40 25/90 (d)
Ethanol 500

-20 to +55 20 - 95 +/- 15% (from 20-
70% PE)
40 25/60 (d)
Toluene 500

-20 to +55 20 - 95 +/- 15% (from 20-
70% PE)
40 25/60 (d)
Isopropanol 500

-20 to +55 20 - 95 +/- 15% (from 20-
70% PE)
40 25/60 (d)
2-butanone
(MEK) 500

-20 to +55 20 - 95 +/- 15% (from 20-
70% PE)
40 25/60 (d)
Xylene 500

-20 to +55 20 - 95 +/- 15% (from 20-
70% PE)
40 25/60 (d)
a) +4°C to +20°C
20% to 60% RH
1 bar ± 10%
6 months maximum
b) -25°C to +60°C
20% to 60% RH
1 bar ± 10%
6 months maximum (c) +4°C to +20°C
20% to 60% RH
1 bar ± 10%
3 months maximum (d) -20°C to +50°C
20% to 60% RH
1 bar ± 10%
6 months maximum
JBus communication specifications
The OLCT 80 has two JBus communication modes:
■
ASCII mode.
■
Binary mode.
ASCII mode
■
This mode is used if the OLCT 80 is connected via a digital link to an
Oldham central controller type MX 62.
■
Speed: 38400 bauds,1 start bit, 7 bits, even parity, 1 stop bit.
■
450 ms timeout (reading response time is less than 10 ms).