Technical data – JUMO 60.8540 Contact dial thermometer Data Sheet User Manual
Page 2
Data Sheet 608540
2011-08-01/00485270
Page 2/7
JUMO GmbH & Co. KG
Delivery address: Mackenrodtstraße 14
36039 Fulda, Germany
Postal address:
36035 Fulda, Germany
Phone:
+49 661 6003-0
Fax:
+49 661 6003-607
E-mail:
Internet:
www.jumo.net
JUMO Instrument Co. Ltd.
JUMO House
Temple Bank, Riverway
Harlow, Essex CM20 2DY, UK
Phone: +44 1279 635533
Fax:
+44 1279 635262
E-mail:
Internet: www.jumo.co.uk
JUMO Process Control, Inc.
6733 Myers Road
East Syracuse, NY 13057, USA
Phone: 315-437-5866
1-800-554-5866
Fax:
315-437-5860
E-mail:
Internet: www.jumousa.com
Technical data
Housing,
bezel and protective cap
plastic (PA 6), gray
UV-stabilized
Enclosure protection
IP54 to EN 60 529
Window
PMMA (Plexiglas)
Scale
white, black lettering
Accuracy class
Class 1.5 similar to EN 13 190
liquid-filled
gas-filled
Measuring system
indication range (AB)
≤ 350°C
indication range (AB)
≥ 400°C
Time constant
t
0.632
approx. 12 sec, measured in a water bath,
with a 6 mm dia. copper probe
approx. 4 sec, measured in an oil bath,
with a 10 mm dia. stainless steel probe
Ambient temperature
effect
in % of indication range (referred to the deviation from the reference value +23°C)
on housing
0.15% of indication range
per °C change in ambient temperature
0.05% of indication range
per °C change in ambient temperature
on capillary (per meter)
0.03% of indication range
per °C change in ambient temperature
no effect
higher ambient temperature – higher temperature indication – lower switching point
standard
extra code (TZ) 650
Electrical contact
Contact type
single-pole microswitch with a mechanically operated changeover contact
Contact rating
230V AC +10/-15%, 48 — 63Hz, p.f = 1 (0.6)
5 (1.5) A
10 (3) A
Switching differential
approx. 1.5% of indication range
1.5 to 3% of indication range
Switching point accuracy
± 0.5% of indication range referred to the switch-off point with rising temperature
Switching reliability
To ensure maximum switching reliability, we recommend a minimum voltage of
24 V and a minimum current of 20 mA.
Electrical connection
screw terminals: for conductor cross-section up to 2.5 mm
2
, protected by cap with cable gland
Suitable for cable diameters from 6.5 to 16 mm.
Setpoint adjustment
with screwdriver, protected by cap.
Limit temperatures
-30 to +70°C (storage and transport -30 to +70°C)
Nominal position (NL)
NL90, symbol
Ќ
Note
Physical and toxicological properties of the expansion fluid which
may escape in the event of a system fracture.
1
At present there is no restrictive statement from the health authorities concerning any danger to health
over short periods and at low concentrations, e.g. after a fracture of the measuring system.
Control range
with end of scale
°C
Dangerous
reactions
Fire and explosion hazard
Water
contamination
Toxicological data
Ignition
temp. °C
Explosion
limit % v/v
irritant
danger to
health
toxic
<
+200
no
+ 355
0.6 — 8
yes
yes
1
no
≥
200°C
≤ +350
no
+ 490
- -
yes
yes
1
no
> 350°C ≤ +500
no
no
no
no
no
no
no