
User’s Guide
Models 475040 and 475044
Digital Force Gauge
1. Universal sensing head
2. LCD Display
3. Fast response indicator
4. FAST / SLOW response selection
5. LCD reverse display button
6. Zero/Tare button
7. Units select switch
8. Mounting Holes (on rear)
9. Battery compartment cover (on rear)
10. Flat Head adapter
11. Cone adapter
12. Chisel adapter
13. Hook adapter
14. 5” (120mm) extension rod
15. OFF/ON/PEAK HOLD button
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FORCE GAUGE
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Introduction
Congratulations on your purchase of Extech’s Digital Force Gauge. This professional meter,
with proper care, will provide years of safe reliable service. Measure Tension or Compression
(Push or Pull) to 5kg (475040) or 20kg (475044), reversible display indicates readings in
grams, ounces, or newtons. This meter offers Peak Hold and a Zero function.
99 Washington Street
Melrose, MA 02176
Phone 781-665-1400
Toll Free 1-800-517-8431
Visit us at www.TestEquipmentDepot.com
Back to the Extech 475044 Product Page
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Specifications
475044 475040
Range 44 lbs, 20kg,196 Newtons 176oz, 5000g, 49 Newtons
Accuracy (23oC) ±(0.5%rdg + 2 digits) ± (0.4%rdg + 1 digit)
Resolution 0.01lbs, 0.01kg, 0.05 Newtons 0.05oz, 1g, 0.01 Newtons
Overload Capacity 30kg 10kg
Circuit Custom LSI microprocessor circuit
Zero adjust Button for Peak Hold and normal display zero
Display 5 digits, 0.4” (10 mm) LCD display
Update Rate Fast mode 0.2 secs; Slow mode 0.6 secs.
Overrange Indicator Displays “--------“
Zero Control Maximum capacity
Full Scale Deflection 2.00mm
Transducer type Load cell
Peak Hold Freezes Max reading on display
Operating Temperature 0 °C to 50 °C (32 °F to 122 °F).
Operating RH Max. 80% RH.
Power Supply 6x 1.5V AA (UM-3) size battery or DC 9V adapter (not included)
Weight 1.2 lbs/551g
Size 8.9 x 3.3 x 1.5” (227 x 83 x 39 mm)
Mounting Holes Located on rear of gauge for optional test stand
Accessories Tension adapter (hook), compression adapters (flat, cone, and
chisel), 5" extension rod, 6 x 1.5V AA batteries, case
Operation
Preparation for Measurement
1. The 475044 or 474040 automatically determines TENSION or COMPRESSION
(Push or Pull) force during use. Compression displays as a negative value and
Tension displays as a positive value.
2. Select units of measure (grams/kilograms, ounces/pounds, or newtons) via the
units select button.
3. Attach the desired adapter (tension – hook; compression.- flat, cone or chisel head)
to the Universal Sensing Head.
4. Select FAST or SLOW response. The FAST setting permits the capture of fast
measurement changes and the SLOW setting provides an averaged reading
display.
5. Zero the display before each measurement via the Zero button.
Note: The sensing head with adapter must be in line with the object being measured.
Avoid rotating the sensing head. Refer to the figure below.
Figure 1 ─ Correct and Incorrect Angles of Measurement
cceptable
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Not Acceptable
475040 and 475044 Ver. 1.9 12/04