SG-1K-KA | SG-2K-KA | SG-1K-EK | SG-2K-EK Strain Gauge Amplifiers
Single or Dual channel strain gauge amplifier as plug-in unit or euroboard
About the SG-1K-KA | SG-2K-KA | SG-1K-EK | SG-2K-EK Strain Gauge Amplifiers
The single/dual channel strain gauge amplifier in a 19“-plug-in module is designed for installation into a 19“ rack and allows supply and signal amplification of 1 or 2 strain gauge transducers. The connection of the transducers, which should have a full bridge resistance greater than 300 ohms, can be done in 4-wire technology or, by using of a long connection cable or a variable length of connection cable, in 6-wire technology. For further evaluation standard analogue outputs / channels are available. For additional measuring value presentation, option –DA offers a 3 ½ digit display/channel. The amplification of the amplifier can be adapted by an internal precision resistance. The potentiometers Z(x) (Zero) and G(x) (Gain), which are accessible via the front, allow a calibration correction for each channel.
By means of an internal dip counter / channel (-2K-), a change of the potentiometer Zx (zero) range can be achieved. To allow a zero range shift, a basic load / tare can be suppressed electrically with a resistance.
Key features SG-1K-KA | SG-2K-KA | SG-1K-EK | SG-2K-EK
- Supply voltage ±15 VDC regulated / 10 - 18 VDC / 18 - 30 VDC
- Analogue output 0 - 10 V / ±10 V
- Version -EK: Euroboard design Version -KA: Cartridge case with EMC frontplate
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Parler à un expertSpécifications techniques
| Spécifications | Valeur |
|---|---|
| Analog output | 0 - 10 V / ±10 V, max. 1 mA (short-period short-circuit proof) |
| Electrical connection | VG-pinboard 64-pin, a+c, DIN 41612 (German Institute for Standardization), BNC connector on front-plate |
| Enclosure | Euroboard-design (Version -EK-), 19“-plug-in module (Version -KA-) |
| Frontplate | 7TE/3HE (Version -15B-), 10TE/3HE (Version -12E, Version -24E-), 14TE/3HE (Version –DA) |
| Input resistance | >3 MΩ |
| Installation depth | 160 mm, installation depth |
| Isolating proof voltage input to output | 200 V, higher isolated proof voltage on request |
| Limit frequency (-3 db) | 1 kHz, optional up to 30 kHz |
| Max. input sensitivity | 100 mV/V at ±5 VDC excitation supply |
| Non-linearity | ±0.05 % FSO |
| Number of measuring channels | 1 (SG-1K-…) Full bridge resistance >300 Ω | 2 (SG-2K-…) Full bridge resistance >300 Ω |
| Power consumption | max. 8 |
| Strain gauge excitation supply | ±2.5 VDC / ±5 VDC |
| Supply voltage | ±15 VDC regulated, 10 - 18 VDC, 18 - 30 VDC, electronics protected against reversal voltage (only with version -12E- and -24E-) |
| Temperature, operating | 0 to +50 °C |
| Temperature, storage | -20 … +60 °C |
| Weight | Max. 500 g, depending on FP-Version |