Pressure Transmitter Type AKS 32 and AKS 33 REFRIGERATION AND AIR CONDITIONING. Technical leaflet

Transcription

1 Pressure Transmitter Type AKS 32 and AKS 33 REFRIGERATION AND AIR CONDITIONING Technical leaflet

2 2 RD.5G.H4.02 Danfoss A/S (IC-MC/mr),

3 Introduction AKS 32 and AKS 33 are pressure transmitters that measure a pressure and convert the measured value to a standard signal: 5 V d.c. or 0 0 V d.c. for AKS ma for AKS 33 A robust design makes the AKS very suitable for application within a number of fields e.g. Air conditioning systems Refrigeration plant Process control Laboratories Features Highly developed sensor technology means high pressure regulation accuracy, a very important factor in the precise and energy-economic capacity regulation of refrigeration plant. Temperature compensation for LP and HP pressure transmitters, developed specially for refrigeration plant: LP: C ( 6 ) HP: C (>6 ) Compatibility with all refrigerants incl. ammonia means less stock and greater application flexibility. Built-in voltage stabiliser, i.e. the AKS pressure transmitters can be powered from an unregulated voltage supply of any output within given limits. Effective protection against moisture means that the sensor can be mounted in very harsh environments, e.g. in the suction line encapsulated in an ice block. Robust construction gives protection against mechanical influences such as shock, vibration and pressure surge. AKS sensors can be mounted direct on to the plant. No adjustment necessary. With the highly developed sensor technology and sealed gauge principle, the accuracy of the factory setting is maintained independent of variations in ambient temperature and atmospheric pressure. This is very important when ensuring evaporating pressure control in air conditioning and refrigeration applications. EMC protection according to EU EMC-directive (CE-marked) UL approved Polarity protected inputs. Danfoss A/S (IC-MC/mr), RD.5G.H4.02 3

4 Technical data Performance Accuracy (3 σ) Non-linearity (Best fit straight line) Hysteresis and repeatability Thermal zero point shift Thermal sensitivity (span) shift Response time Max. operating pressure Burst pressure Electrical specifications for AKS 33, 4-20 ma output signal Rated output signal Supply voltage, V supply (polarity protected) Voltage dependency Current limitation (linear output signal up to.5 rated range) ±0.3% FS (typ.)/±0.8% FS (max.) < ±0.2% FS ±0.% FS ±0.% FS/0K (typ.) ±0.2 %FS/0K (max.) ±0.% FS/0K (typ.) ±0.2 %FS/0K (max) < 4 ms See ordering, overleaf min to 20 ma 0 to 30 V d.c. < 0.05% FS/0 V 28 ma Max. load, R L V supply - 0 V R L [Ω] 0.02 A Electrical specifications for AKS 32, 0-0 V d.c. output signal Rated output signal (short-circuit protected) 0 to 0 V d.c. Supply voltage, V supply (polarity protected) 5 to 30 V d.c. Supply current consumption < 8 ma Supply voltage dependency < 0.05% FS/0 V Output impedance < 25 Ω Load resistance, R L R L 0 kω Electrical specifications for AKS 32, -5 V d.c. output signal Rated output signal (short-circuit protected) to 5 V d.c. Supply voltage, V supply (polarity protected) 9 to 30 V d.c. Supply current consumption < 5 ma Supply voltage dependency < 0.05% FS/0 V Output impedance < 25 Ω Load resistance, R L R L 0 kω Environmental conditions Operating temperature range 40 to 85 C Compensated temperature range LP: 30 to +40 C / HP:0 to +80 C Transport temperature range 50 to 85 C EMC - Emission EN Electrostatic discharge Air 8 kv EN (IEC 80-2) Contact 4 kv EN (IEC 80-2) EMC - Immunity RF field 0 V/m, 26 MHz - GHz EN (IEC 80-3) conducted 3 V rms, 50 khz - 30 MHz EN (IEC 80-6) Transient burst 4 kv (CM) EN (IEC 80-4) surge kv (CM,DM) EN (IEC 80-5) Insulation resistance > 00 MΩ at 500 V d.c. Mains frequency test 500 V, 50 Hz SEN Vibration stability Shock resistance Enclosure Sinusoidal 20 g, 25 Hz - 2 khz IEC Random 7,5 g rms, 5 Hz - khz IEC , IEC Shock 500 g / ms IEC Free fall IEC Plug version IP 65 - IEC 529 Cable version IP 67 - IEC RD.5G.H4.02 Danfoss A/S (IC-MC/mr),

5 Technical data (continued) Approvals UL recognized for sale in the USA and Canada File no. E30 24 CE marked according to the EMC directive 89/ 336/ EC Mechanical characteristics Housing material and material in contact with medium DIN (AISI 36L) Weight 0.3 kg Ordering AKS 32, version 5 V LP HP Operating range AKS 32, version 0 0 V LP HP Operating range Max. working pressure PB Compensated temperature range C Code no. DIN plug Cable / 4 NPT ) G 3 / 8 A 2 ) / 4 flare 3 ) / 4 NPT ) / 4 flare 3 ) G G G G G G G G G G G G G G207 Max. working pressure PB Compensated temperature range C Code no. DIN plug Cable / 4 NPT ) G 3 / 8 A 2 ) / 4 flare 3 ) G G G G G G G G G G2084 AKS 33, version 4 20 ma LP HP Operating range ) 4-8 NPT 2 ) Thread ISO 228/ - G 3 8 A (BSP) 3 ) UNF Max. working pressure PB Compensated temperature range C Is also available in US-version ( 6 V) and with 8-27 NPT connection. Please contact Danfoss Code no. DIN plug Cable / 4 NPT ) G 3 / 8 A 2 ) / 4 flare 3 ) / 4 NPT ) G 3 / 8 A 2 ) / 4 flare 3 ) G22 060G G G G G G26 060G G23 060G2 060G G G20 060G G G G G G G G G G G29 060G G24 060G G25 060G20 060G G2067 Danfoss A/S (IC-MC/mr), RD.5G.H4.02 5

6 Accessories AKS 32, AKS 33 Description Code no. Mounting bracket 060G023 0 pcs. aluminium gaskets for G 3 8 A thread 060B208 Dimensions and weights Version with DIN plug Cable version Pressure connection 4-8 NPT G 3 8 A ISO 228/ 4 in. flare UNF L [mm] L 2 [mm] Weight approx. 0.3 kg Bracket 6 RD.5G.H4.02 Danfoss A/S (IC-MC/mr),

7 Danfoss A/S (IC-MC/mr), RD.5G.H4.02 7

8 8 RD.5G.H4.02 Danfoss A/S (IC-MC/mr),