| BRAND | HOLTHAUSEN ELEKTRONIK |
| Product | ESW®-Mini-HD-C-252 (hol551) |
| Description | Electronic Vibration Monitoring Unit |
| Internal code | IMP1798947 |
| Weight | 0.65 |
| Custom code | 90318080 |
| Technical specification | Operating voltage 24V DC 10% Current consumption max. 45mA temperature range -10°C to 65°C Protection class IP 65 Die-cast aluminium housing (AlSi12), powder-coated (RAL 7001) Neoprene lid seal Chassis dimensions 98 x 34 x 64mm (W x H x D) Weight approx. 400g (without cable), approx. 800g (with cable) Connection cable 5m, SD 90 C/Kaweflex 6430 SK-C, 7 x 0.34 mm², permanently connected on the device side, sheath material: PVC/PUR, min. bending radius: 50.25 mm /53.25 mm cable gland M16x1.5, brass CuZn39Pb3, galv. nickel-plated Slat insert: polyamide PA6 V-2 Seal ring: polychloroprene nitrile rubber CR/NBR O-ring: nitrile rubber NBR sensor integrated acceleration sensor Vibration velocity measured variable in mm/s measuring range 0 to 50mm/s Signal rating arithm. mean, matched to RMS Frequency range 10Hz to 1kHz (-3dB) Butterworth filter, 40dB/DEK or 12dB/oct analog output 4 to 20mA current source proportional to the set measuring range load resistance max. 500 ohms Switching output floating changeover contact (30V, 1A) switching threshold 10% to 100% of the measurement range, adjustable in 10% steps via rotary switch in the housing switching threshold set to 25 mm/s = 50%, Adjustment of rotary switch fixed with safety varnish. Switching delay response delay 10s fixed Fall delay 0.5s fixed cable assignment pink +Ub brown normally closed contact blue Ub GND yellow normally open contact grey analog output+green center contact white analog output GND When delivered, the shield is placed on the housing, and not connected to ground. Line monitoring In normal operation, the relay is energized, the switching contact is closed. In case of alarm, loss of voltage or If the cable breaks, the relay falls back into its rest position. |
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