Instruction Manual

Series 661 Force Transducer
The force transducer commonly used with the Model 370 Load Unit is a Series 661 Force Transducer. There
is no manual for the force transducer. The following table provides the specifications for the force transducers.
SpecificationParameter
15 V DCMaximum excitation voltage
350 ¾Bridge resistance
1.0% of full scale torsional to loadMaximum crosstalk
0.08% of full scale (250 N–2.5 kN)Hysteresis
0.05% of full scale (5 kN–50 kN)
0.15% of full scale (100 kN–500 kN)
0.20% of full scale (1000 kN)
0.08% of full scaleNonlinearity
0.15% of full scale for Models 661.22/.23/.31
0.004% of reading/°C (0.002%/°F)Temperature
-54°C to +121°C (-65 °F to +250 °F)Usable range
+21°C to +77°C (+70 °F to +170 °F)Compensated range
0.0036% of full scale/°C (0.0020% or full scale/°F)Sensitivity
2 mV/V at full-scale loadOutput
JT,RCPT,13PIN #10,BOX MNT,.719MTPATConnector
PT02ER-10-6PTEDS
non-TEDS
WeightThread SizeLoad CapacityModel
9.75 kg (21.5 lb)M27 x 2.0 mm x 31.7 mm25 kN (5.5 kip)661.20-01
9.75 kg (21.5 lb)M27 x 2.0 mm x 31.7 mm50 kN (11 kip)661.20-02
9.75 kg (21.5 lb)M27 x 2.0 mm x 31.7 mm100 kN (22 kip)661.20-03
13.2 kg (29 lb)M36 x 2.0 mm250 kN (55 kip)661.22-01
16 kg (35.3 lb)M52 x 2.0 mm x 48.3 mm500 kN (110 kip)661.23-01
MTS Landmark™ Floor Standing Load Units Product Information 35
Introduction