Manual

2011-11-07/00073201
Data Sheet 601530 Page 2/6
JUMO GmbH & Co. KG
Delivery address: Mackenrodtstraße 14
36039 Fulda, Germany
Postal address: 36035 Fulda, Germany
Phone: [phone]
Fax: [phone]
E-mail: [e-mail]
Internet: www.jumo.net
JUMO Instrument Co. Ltd.
JUMO House
Temple Bank, Riverway
Harlow - Essex CM20 2DY, UK
Phone: [phone]
Fax: [phone]
E-mail: [e-mail]
Internet: www.jumo.co.uk
JUMO Process Control, Inc.
8 Technology Boulevard
Canastota, NY 13032, USA
Phone: [phone]
1-800-554-JUMO
Fax: [phone]
E-mail: [e-mail]
Internet: www.jumo.us
Technical data
General information
Control ranges °C Switching differential in °C Immersion tube length S Active immersion tube
length
Control ranges,
switching differential,
and immersion tube
length
-10 to +100
+5 to +160
0 to +300
4 ± 1 100 mm 100 mm
0 to +75
+15 to +120
+5 to +160
0 to +240
3 ± 0.7 150 mm 150 mm
0 to +80
0 to +120
+20 to +200
+50 to +300
-80 to +100
2.5 ± 0.4 200 mm 200 mm
0 to +50
+20 to +150
0 to +200
-15 to +50
1.9 ± 0.4 250 mm 250 mm
0 to +40
0 to +80
1.6 ± 0.4 300 mm 300 mm
Electrical data STMA-1 STMA-2 STMA-7 STMA-7 / 574
Switching element Microswitch with
changeover contact
Microswitch with
changeover contact
Microswitch with N/C
contact and restart lock
Microswitch with N/C con-
tact, restart lock, and addi-
tional signal contact
Maximum switching
capacity
230 VAC +10 %, 10 (2) A, cos  = 1 (0.6)
DC 230 V +10 %, 0.25A
Operating data
Switching point accuracy
in %
± 1.5% of the scale range, in the scale range center, referring to the switchoff point
Allowable storage
temperature
-50 to +50 °C
Allowable ambient
temperature when in use
-40 to +80 °C
Rated position According to DIN 16 257, rated position 0 to rated position 90 (different rated positions upon request)
Case
Case Aluminum diecast, surface with impact-resistant textured paint; lid: RAL 7032, bottom section: RAL 7015
Cable inlet Standard: Clamping gland M 20 x 1.5
Available at extra cost: Cable screw-connection M 20 x 1.5 according to EN 50262 CuZn
Setpoint value setting STMA-1 STMA-2 / STMA-7
Switching point adjustable from the outside using the
rotary knob
Switching point adjustable with a screwdriver once the
case lid has been removed
Protection type EN 60 529-IP 54
Weight Approx. 0.65 kg
Process connection Version Material
Plain cylindrical probe Collar Ø 19 mm between case and sensing probe
(extra codes 574, 715, 764 can be retrofitted)
CuZn
Screw-in sleeve Thermowell as a screw-in sleeve, screw-in spigot shape A according to
DIN 3852/2 with fixing screw, immersion tube Ø 12 mm
Up to 150 °C CuZn, nickel plated /
As of150 °C CrNi
Extra code 715 Loose screw-connection M 18 x 1 with counter nut CuZn nickel plated
Extra code 764 Mounting flange Sheet steel, galvanized
Fixed screw-connection With hexagon, width across flats 27, thread G1/2 CuZn nickel plated
Probe Diameter 9 mm CuZn nickel plated
Insertion length S 100, 150, 200, 250, and 300 mm