SPL4000 illustration

Advanced Overload and Load Detection

Straintek's SPL4000 bolt-on sensor is the culmination of extensive research and development over a number of years. The result is an easy to fit product that requires no special fixtures or alteration to the structure you want to monitor.

The bolt-on is machined from high-performance tooling steel which is thermally compatible to most cast and structural steels in respect of temperature coefficients. The machined sensors are heat treated to give you, the customer, optimum performance and stability. The SPL4000 sensors are cycled through a wide variation of temperature changes and are compensated against and thermally induced errors.

SPL4000 photograph

The sensor body has an ABS plastic moulded cover and is potted with a two part polyurethane encapsulate to give superior protection against moisture ingress and shock vibrations. Each sensor is fitted with 2 metres of four core screened polyurethane cable.

With stringent quality control procedures implemented, the SPL4000 has proved a reliable form of load measurement. Successful applications include overload monitoring on elevator lifts, cranes, towing winches and hydraulic load presses that are widely used within the motor vehicle manufacturing industry. The range of applications for which this product may be used is limited only by the imagination of the engineer.

SPL4000 diagram

Technical Specification

Bridge Resistance
Zero Balance
Operational Temperature Range
Compensated Temperature Range
Temperature Coefficient of Zero
Temperature Coefficient of Span
Environmental Protection
Output Signal
Recommended Excitation
Maximum Excitation
Insulation

350ohms +/- 5%
+/- 0.5mV
-20 deg.C to 85 deg.C
-10 deg.C to +60 deg.C
<+/-0.020% / deg.C
<+/-0.015% / deg.C
IP66
1 mv/V @ 400 Microstrain
8 volts D.C.
15 volts D.C.
50M ohms at 50 Vdc

Items Supplied
2 x M5 fixing bolts / washer sets
Fixing Instructions

Accessories
Drill Template
Weldable fixing plates

Technical Support
OEM Quantity discounts
2 Year warranty

Options Available
Higher strain gauge resistance
Cable lengths up to 20 metres