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SPECIFICATIONS
UPM-DT-1 UPM-DT-10
Power Range 0 to 30 Watts 0 to 30 Watts
Resolution ±2mW ±10mW
Minimum Detectable Power 1mW 10mW
Display Sensitivity 0.001 / 0.01 / 0.1 Watt 0.01 / 0.1 / 1 Watt
Accuracy ±3% + One Digit ±3% + One Digit
Zeroing Method Automatic Automatic
Averaging of Measured Values 100 100
Stabilization 2.5 Second Integration 2.5 Second Integration
Maximum Weight Capacity 210 Grams 600 Grams
Maximum Transducer Size 3” Diameter 3” Diameter
Transducer Operating Frequency 0.5 to 10MHz 0.5 to 10MHz
Test Media Degassed Water Degassed Water
Computer Interface RS-232, 300-9600 Baud RS-232, 300-9600 Baud
Default Baud Rate 2400 2400
Power 12 VAC, 1 Amp 12 VAC, 1 Amp
120 VAC Adapter Supplied
(Adapters for 240 VAC Available on
Special Order)
120 VAC to 12 VAC w/ 3-Prong Male
Plug and 6-Ft. Cord
120 VAC to 12 VAC w/ 3-Prong Male
Plug and 6-Ft. Cord
EMI Rating Conforms to CE & FCC Conforms to CE & FCC
Electrical Safety Conforms to UL & CSA Conforms to UL & CSA
Size 11” x 15” x 10” (H x L x W) 11” x 15” x 10” (H x L x W)
Weight 22 Lbs. Net 22 Lbs. Net
Carrying Case Black Anodized Aluminum Black Anodized Aluminum
Verification of Proper Scale Functioning: Small varia-
tions of water surface motion, air currents or mechanical
movements may cause uncertainties in power measure-
ments. To test scale accuracy at low levels, set up the
scale as in the Operating Procedure (Page 7). Place the
14.65 watt weight on the flat surface of the target arm.
Read meter three times; readings should be within ± 1%
(for example, 14.504 to 14.796 for UPM-DT-1 and 14.52
to 14.80 for UPM-DT-10). In case of doubt about lower
power resolution, repeat the same procedure using light
objects such as thin paper slices to produce readings of
5 to 10 counts; repeat readings. Average uncertainty
should be within ± 2 counts on the grams as well as on
the watts scale. Avoid mechanical and air movement or
variations in magnetic fields while making tests.
Out of Measurement Range Warnings: Model UPM-DT-
1 accommodates weight differential of ± 200 grams while
UPM-DT-10 accommodates ± 600 grams. When the
scale exceeds this range, “Error 8.3” will be displayed.
Something may be pressing hard on the target or sup-
port. “Error 8.4” indicates underweight condition. This
will occur if the target is out of place on the UPM-DT-1.
No Display: 1) Check power and line cord; 2) Verify that
the line voltage is set correctly.
If you need further assistance, please call our service
department.
MAINTENANCE
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