JUMO 602021 Panel-Mounted Thermostat EM Series Up to 500C Data Sheet - Manual (Page 5)

Data Sheet 602021
2014-01-20/00073206
Page 5/14
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: [email protected]
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: [email protected]
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: [email protected]
Internet: www.jumousa.com
Operating data
Casing
Process connection*
* See data sheet 606710 for additional process connections and thermowells
Switching point
accuracy
in % of control range/
limit value range Switching function Switching differential In the upper third of the scale
or limit value
Liquid-filled Gas-filled
TR 1 %, 2.5 %
5 %
7 %
-
3 %, 5 %
6 %, 10 %
±1.5 %
±3 %
±4 %
TW 1 %, 2.5 %
5 %
7 %
-
3 %, 5 %
6 %, 10 %
±1.5 %
±3 %
±4 %
TB - - +0 %
-5 %
STB, STW (STB) See table for control ranges and probes on page 3
Mid ambient
temperature influence Deviation of the ambient temperature at the switching head and/or capillary
from the 22 °C calibration ambient temperature produces a switching point offset.
Higher ambient temperatures = lower switching point
Lower ambient temperature = higher switching point
For temperatures with scale limit value/limit value
< 200 °C
≥ 200 °C ≤ 350 °C ≥ 400 °C ≤ 500 °C
TR, TW, TB STW, STB TR, TW, TB STW, STB TR, TW, TB, STW, STB
Switching differential in %
1/2.5 5 7 7/- 1/2.5 5 7/- 3/5 6 10
Ambient temperature influence on the switching head in %/°C
0.15 0.26 0.34 0.43 0.12 0.21 0.35 0.12 0.17 0.24
Ambient temperature influence on the capillary in %/m
0.05 × °C × m 0.09 × °C × m 0.04 × °C × m 0.07 × °C × m 0.05 × °C × m
Temperature
compensation* (TK)
* For detailed information see diagram on page 9
Temperatures Allowable storage temperature: -50 to +50 °C Allowable ambient temperature for use: Max. 80 °C
Nominal position (NL) Any
Casing:
galvanized sheet steel Standard mounting With 2 M3 screws, spaced 22 mm
Extra code 704 With 2 M4 screws, spaced 28 mm
Extra code 705 With 2 M3 screws, spaced 33 mm
Extra code 710 Central mounting M10 × 1 with acorn nut (only for TB and STB)
Setpoint value setting TR:
Switching point adjustable from the outside using
the rotary knob
TW, TB, STB, STW (STB):
Switching point adjustable with a screwdriver
Types EM-3, EM-4, EM-33, EM-44, EM-444, EM-3333, EM-30, EM-40
Permanently set at the factory to customer requirements
Setpoint adjuster See data sheet 606715
Scale range Standard: 250° Մ (for STB and STW (STB) see table for control ranges and probes on page 3)
Protection type EN 60529-IP00
Weight Approx. 0.3 kg
EM series
with capillary Plain cylindrical probe "10" (standard)
Screw-in thermowell "20" (upon request)
Screw-in sleeve with screw-in spigot G 1/2 form A as per DIN 3852/2
and clamping piece with fixing screw for securing the probe
Material Thermowell Up to 150 °C CuZn as standard
Above 150 °C CrNi
Insertion length S Standard lengths: 100, 120, 150, 200, or 300 mm (different lengths upon request)
Immersion tube Ø D = 8 mm, D = 10 mm