The Vishay P-3500 Strain Indicator is a portable, battery‑powered precision instrument for measuring resistive strain gages and transducers. It accepts full, half, or quarter‑bridge inputs and provides remote‑sense capability for six‑wire operation.
The manual covers general description, detailed specifications, control functions, operating procedures for strain‑gage and transducer inputs, analog output options, optional accessories, maintenance, adjustment, replacement parts, schematics and warranty information.
| Power source | Six alkaline “D” cells (internal battery pack) |
|---|---|
| Battery life | ≈200 hours continuous use |
| Bridge excitation | 2.00 V DC ±0.1 % |
| Gage factor range | 0.500 to 9.900 |
| Gage factor resolution | ±0.001 |
| Operating temperature range | –10 °C to +50 °C |
| Relative humidity limit | Up to 90 % RH, non‑condensing |
| Size | 9 × 6 × 6 in (230 × 150 × 150 mm) |
| Weight | 6.3 lb (2.9 kg) including battery pack |
The instrument is powered by an internal pack of six alkaline “D” cells and provides about 200 hours of continuous operation.
The gage factor can be set between 0.500 and 9.900 using the ten‑turn potentiometer.
The instrument operates from –10 °C up to +50 °C.