| 接口尺寸： | 7/16-20 UNF 90° Cold cone, 7/16-20 UNF female Schradercable, M12x1, Metri Pack（mm） | 加工定制： | 是 |
| 防护等级： | IP65 | 测量范围： | 0-60BAR（kPa） |
| 类型： | WIKA 制冷和暖通用压力变送器 R-1 UL TZW GOST CRN认证 变送器 | 防爆等级： | IP65 |
| 型号： | R-1 UL TZW GOST CRN | 测量介质： | 液体 气体 |
| 精度等级： | 2 | 品牌： | WIKA/威卡 |
| 输出信号： | 4-20（mA） | 电源电压： | 10-30（V） |
WIKA 制冷和暖通用压力变送器 R-1 UL TZW GOST CRN认证 变送器
Electronic
pressure measurement
Pressure transmitter for refrigeration and air-conditioning
applications
Model R-1, with hermetically welded thin film measuring cell
Pressure transmitter model R-1
Fig. left: with M12 x 1 circular connector
Fig. centre: with Metri-Pack series 150
Fig. right: with cable outlet
Applications
Compressors
Condensers
Special features
Wetted parts from stainless steel
Resistant to all common refrigerants
Special case design for the best possible condensation tightness
Private labelling possible
De
Application area in refrigeration and air-conditioningtechnology
The model R-1 pressure transmitter has been optimally designed for the specific requirements of refrigeration and air-conditioning technology. Its monolithic construction dispenses with the need to use seals on the process side. This enables the model R-1 to be used with all typical refrigerants (e.g. Freon and Ammonia).
Excellent reliability
The hermetically-welded, dry, thin-film cell ensures long-term leak tightness. Moreover, these efficient cells, made with a sputtering technique, feature high long-term stability and a very high burst pressure.
Attractive price/performance ratio
The production on highly-flexible production lines, also offers a very attractive price-performance ratio with higher quantities.
Measuring ranges
Other measuring ranges on request
Vacuum tightness
Yes
Output signals
Other output signals available on request
Load in Ω
Current output (2-wire):
≤ (power supply - 7 V) / 0.02 A
Voltage output (3-wire):
> maximum output signal / 1 mA
Ratiometric output (3-wire):
> maximum output signal / 1 mA
Voltage supply
Power supply
The power supply depends on the selected output signal
4 ... 20 mA: DC 7 ...30 V
DC 1 ... 5 V: DC 8 ...30 V
DC 0 ... 10 V: DC 14 ... 30 V
DC 0.5 ... 4.5 V: DC 4.5 ... 5.5 V
Reference conditions (per IEC 61298-1)
Temperature
15 ... 25 °C
Atmospheric pressure
860 ... 1,060 mbar
Humidity
45 ... 75 % relative
Power supply
DC 24 V
Nominal position
Calibrated in vertical mounting position with pressure
connection facing downwards.
Accuracy data
Accuracy at reference conditions
≤ 2 % of span
Including non-linearity, hysteresis, zero offset and end value deviation (corresponds to measured error per IEC 61298-2).
Temperature error at -25 ... +85 °C
Mean temperature coefficient of zero point:
typical ≤ ±0.5% of span/10 K
Mean temperature coefficient of span:
≤ 0.3 % of span/10 K
Settling time
≤ 5 ms
Long-term drift (per IEC 61298-2)
≤ 0.3 % of span/year
Operating conditions
Ingress protection (per IEC 60529)
The ingress protection depends on the type of electrical connection.
Circular connector M12 x 1: IP 67
Metri-Pack series 150: IP 67
Cable outlet: IP 69K
The stated ingress protection only applies when plugged in using mating connectors that have the appropriate ingress protection.
Temperatures
Medium: -40 ... +100 °C -40 ... +212 °F
Ambient: -25 ... +85 °C -13 ... +185 °F
Storage: -25 ... +85 °C -13 ... +185 °F
Resistance
The pressure transmitter is resistant to the industrial standard refrigerants
Process connections
Electrical connections
Short-circuit resistance
S+ vs. 0V
Reverse polarity protection
UB vs. 0V
Overvoltage protection
maximum DC 36 V
Insulation voltage
DC 500 V
Connection diagrams
Materials
Wetted parts
Sensor and process connection from stainless steel
Non-wetted parts
Case from stainless steel
Electrical connection from highly resistant, glass-fibre reinforced plastic PBT GF 30
Approvals, directives and certificates
Approvals
cRUus (recognition)
CE conformity
EMC directive 2004/108/EC, EN 61326 emission (group 1, class B) and immunity (industrial application)
Dimensions in mm
Pressure transmitters
Process connections
Ordering information
Model / Measuring range / Output signal / Electrical connection / Process connection
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