12 STG-02 – Service Test Generator
SPM Instrument AB • Box 4 • SE-645 21 Strängnäs • Sweden Technical data are subject to change without notice.
Tel +46 152 22500 • Fax +46 152 15075 • info@spminstrument.se • www.spminstrument.se © SPM 2002-03 71689.B
Test recommendations
The following recommendations for testing SPM devices with the help of the
STG-02 are not calibration instructions. The stated tolerances are set with regard
that such test are made in an uncontrolled environment under uncontrolled con-
ditions.
General
• Synchronize the transducer sensitivity setting of STG-02 and the tested
device.
• Use a low noise cable (SPM 90176-L or 90292-L), especially on the vibration
output.
A30/T30
SPM test with 42000 transducer, STG pulse mode 2, frequency 1000 Hz.
Tolerance ± 2 dBsv.
TLT test with 40000 (response ”TRA”) and 42000 (response ”TMU”) transducers.
Before testing, set TLT to ON. The instrument should display a TLT quality value
of or greater than 20.
VIB test with TRV-01 or TRV-22 transducer, sensitivity 10.0 pC/m/s2. 10 mm/s
plus 30 mm/s at 80 Hz. Tolerance ± 1 mm/s.
A2011/T2001
As A30/T30, except: frequency 1080 Hz, no TLT test.
MG-4
Check the MG-4 specifications (label on top of the casing).
VIB channels with either transducer TRV-18, sensitivity 1.2 mV/m/s
2
or transducer
TRV-20, sensitivity 3.5 mV/m/s
2
, depending on type.
For frequency range 3 (10) to 1000 Hz, single frequency mode at 45 mm/s, 80 Hz.
For frequency range 100 to 1000 Hz, single frequency mode at 45 mm/s, 400 Hz.
Tolerance ± 1 mm/s.
SPM test with either 40000 or 42000 transducer, depending on type. Single pulse
mode at 40 dBsv, frequency 1000 Hz. Tolerance ± 2 dBsv.
TLT test with either 40000 or 42000 transducer, depending on type. The instru-
ment should display a TLT quality value of or greater than 20.
BMM-40/42 and BDM-40/42
Connect BMM to a display unit. For both BMM and BDM, TLT test must be off.
Set the jumper that disables the TLT test over both pins (upper right hand corner
of the circuit board).
SPM test with either 40000 or 42000 transducer, depending on type. Single pulse
mode at 40 dBsv, frequency 1000 Hz. Tolerance ± 2 dBsv.
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