Model 700
Portable Strain Gage Welding and Soldering Unit
FEATURES
• Separate visual and audible indicators monitor welder
status. Weld energy is continuously adjustable from
3 to 50 joules, making the Model 700 an excellent
choice for installing weldable strain gages and
temperature sensors, as well as small thermocouples
and light-gauge metal.
• Supplied with a lightweight soldering pencil. A front-
panel control adjusts soldering tip temperature for a
wide range of soldering applications in the field or in the
laboratory.
• “Low-battery” light to warn the user when the internal,
sealed lead-acid battery requires charging. A battery
charger is included to provide for full battery charge
with no danger of overcharging. Indicator lights monitor
battery charge rate.
• Convenient storage space for cables, battery charger
and instruction manual
GENERAL SPECIFICATIONS
OVERALL SIZE
9 L x 9 W x 9-3/4 H in (230 x 230 x 250 mm)
WEIGHT
21 lb (9.5 kg)
POWER FOR RECHARGING
115 VAC or 230 VAC, 50-60 Hz. Uses external AC
transformer (provided)
OPERATING AND STORAGE TEMPERATURE RANGE
0°F to +120°F (–20°C to +50°C)
WELDING SPECIFICATIONS
WELD ENERGY RANGE
3 to 50 joules, continuously adjustable by front-panel
control
Maximum open-circuit voltage less than 25 VDC
MAXIMUM WELD REPETITION RATE
20 per minute at 30 joules, typical
NUMBER OF WELDS PER BATTERY CHARGE
Approximately 2000 at weld energy setting of 30
joules. This is equivalent to 40 Micro-Measurements
weldable gage installations.
BATTERY CHARGE TIME: (FROM FULL DISCHARGE)
12 hours to 75% full charge; 18 hours to full charge
BATTERY
One sealed, rechargeable lead-acid (non-liquid) type,
12 volt, 5 ampere-hour
WELDING PROBE
Manually fired with trigger control and “steady-rest”
WELDING CABLES
Two 5 ft (1.5m), fully flexible
WELD ENERGY MONITOR
Calibrated front-panel control with READY and WAIT
indicators; audible indication selectable
Document No.: 11302
Revision: 27-April-2015
For technical questions, contact
mm@vpgsensors.com
www.micro-measurements.com
1
Model 700
Portable Strain Gage Welding and Soldering Unit
SOLDERING SPECIFICATIONS
TEMPERATURE CONTROL
Continuously variable with bands indicating melting
range of solders
SOLDERING PENCIL
1.1 oz (31 gm), rated at 25 watts, 12 volt operation.
Tip temperature adjustable from +200°F to +900°F
(+90°C to +480°C).
SOLDERING DURATION
4 hours using +361°F (+183°C) melting point solders
(with initial full charge)
ACCESSORY
Model 700-A103 Spot Welding Probe Set:
Recommended for spot welding instrument leadwires
to ZC Series high-temperature gage ribbons
All specifications are nominal or typical at +23°C unless noted.
PANEL CONTROL FEATURES
SELECTOR SWITCH FOR
WELDING/SOLDERING
WELD ENERGY
CONTROL
BATTERY STATUS
INDICATOR LIGHTS
SOLDERING
PENCIL RECEPTACLE
16 VAC
POWER
SOLDERING PENCIL
HEAT CONTROL
AUDIO INDICATOR SWITCH
CABLE STORAGE AREA
www.micro-measurements.com
Document No.: 11302
2
Revision: 17-May-2011
For technical questions, contact
mm@vpgsensors.com
Document No.: 11302
Revision: 17-May-2011
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Vishay Precision Group, Inc.
Disclaimer
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Document No.: 63999
Revision: 15-Jul-2014
www.vpgsensors.com
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