Constructional design / case
| Standard housing with right angle plug: | material: st. steel mat.-no. 1.4301 (304) degree of protection: IP 65 |
| Silicon cover plate for trimming potentiometers. Right angle plug as per DIN EN 175301-803-A (DIN 43650, form A) with cable gland M16x1.5 mm, cable diameter 4...10 mm. |
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| Inner chamber aeration for measuring ranges ≤ 10 bar. | |
| Field housing, solid design: | material: st. steel mat.-no. 1.4301 (304) degrees of protection |
| standard IP 65: - inner chamber aeration via integrated sintered´filte, only for excess pressure measuring ranges ≤ 10 bar, if aeration via cable is impossible. |
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| option: IP 67, inner chamber aeration via connection cable for excess pressure measuring range ≤ 10 bar |
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| Screwable cover ring with O-ring seal for the externally accessible trimming potentiometers Screwable case cap for connection chamber |
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| Connection terminals 4 mm² | |
| Cable gland M16x1.5 for cable diameter 4.5...10 mm, material polyamide | |
| Process connection: | - G1/2 B, EN 837-1 - G1/2 B, flus mounted |
| Measuring system: | piezoresistive measuring bridge, protected by integrated stainless-steel diaphragm.Completely welded system |
| Filling material: | silicone-free, synthetic oil |
| Material: | diaphragm: st. steel mat.-no. 1.4404 (316L) socket: st. steel mat.-no. 1.4404 (316L) |
| Weights: | standard housing: approx. 300 g fiel housing: approx. 750 g |
| Storage temperature range: | -25...+80 °C |
| Limiting temperature range: | -25...+70 °C |
| Rated temperature range: | -10...+70 °C |
| Temperature influence: | on zero point and meas. span: ≤ 0.02 % of meas. span/K |
| Auxiliary power supply: | standard version: - nominal voltage 24 V DC - function range 2-wire technology 14...30 V DC - 3-wire technology 16...30 V DC - max.permiss.operating voltage 30 V DC |
| Ex design: permiss. voltage range of 2-wire circuitry 15...30 V DC | |
| Ex design: permiss. voltage range of 3-wire circuitry 16...30 V DC | |
| Overload limits UE: | for short-time overload. See order details |
| Overload influenc: | ≤ 0.1 % f.s. |
| Output signal: | 4...20 mA, 2-wire technology, standard.Further possibilities see order details |
| Test output (with field housing only: | non interruptible output current measurement via integrated LOC diode |
| Current limitation in output signall: | max. output current approx. 30 mA |
| Supply voltage influenc: | ≤ 0.2 % f.s. / 10 V |
| Linearity error incl. hysteresis: | ≤ 0.3 % f.s. (limit point calibration) |
| Adjustable range: | zero point and measuring span approx. ± 10 % |
| Response time: | ≤ 20 ms |
| Electrical data: | Sum of maximum values in the intrinsically safe circuits Ui = 30 V Ii = 100 mA Pi = 0,7 W |
| For more information see data sheet. | |
| Caution: | Make sure that there is equipotential bonding along the entire wiring run both inside and outside the explosion hazardous area. |
| Switch off device if it is installed in zone 0 and in temperature class T5 and T6 and it fails! | |
| Burden: | - current output 2-wire circuitry: |
| standard: Ra = UB-14 V / 20 mA (KOhm) Ex-protection: Ra = UB-15 V / 20 mA (KOhm) |
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| - voltage output: a current of 20 mA can be obtained in the case of devices with power output. |
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| Burden influence: | for 500 Ohm burden of change: ≤ 0.1 % f.s. |
| GL approval (German Lloyd): | per certificat no. 60208-09 HH |
| EMC-Test | - noise immunity as per EN 50082, section 2, March 95 issue for industry - emitted interference as per EN 50081, section 1, 1993 issue for residential and industrial areas |
Information on other models see order details or upon request.
Tests and certificates
| See document |
Type series
| CB1020, CB1021, CB2020, CB2021 |
