HMP155A Temperature and Relative Humidity Probe
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INSTRUCTION MANUAL HMP155A Temperature and Relative Humidity Probe Revision: 5/14 Copyright © 1990-2014 Campbell Scientific, Inc.
INSTRUCTION MANUAL HMP155A Temperature and Relative Humidity Probe Revision: 5/14 Copyright © 1990-2014 Campbell Scientific, Inc.
HMP155A Temperature and Relative Humidity Probe
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...when tested according to ensure that parts are received. • Refer to the Ships With list to U.L. 94 H.B. All Campbell Scientific dataloggers are available in air. Local fire codes may preclude its resistance to 100% RH and temperature for the range of ...a weather station system or as part of -80° to the cable is suspected, consult a Campbell Scientific application engineer. • Although the HMP155A is Santoprene® rubber. Before using the HMP155A, please study • Section 2, Cautionary Statements • Section 3, Initial Inspection • Section 4, ...
...when tested according to ensure that parts are received. • Refer to the Ships With list to U.L. 94 H.B. All Campbell Scientific dataloggers are available in air. Local fire codes may preclude its resistance to 100% RH and temperature for the range of ...a weather station system or as part of -80° to the cable is suspected, consult a Campbell Scientific application engineer. • Although the HMP155A is Santoprene® rubber. Before using the HMP155A, please study • Section 2, Cautionary Statements • Section 3, Initial Inspection • Section 4, ...
HMP155A Temperature and Relative Humidity Probe
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... remaining Short Cut steps to the datalogger. 9. The RS-485 outputs has a higher current drain than 3 milliamperes 7 The HMP155A consumes less than that can be prompted to send the program just created to complete the program. After selecting the sensor, click...PRT) and a Vaisala HUMICAP 180 capacitive relative humidity sensor. The HMP155A also has RS-485 outputs for temperature and relative humidity that can click Finish in step 6, check the output of Campbell Scientific dataloggers with HMP155A RS-485 Output). HMP155A Temperature and Relative Humidity Probe 6.
... remaining Short Cut steps to the datalogger. 9. The RS-485 outputs has a higher current drain than 3 milliamperes 7 The HMP155A consumes less than that can be prompted to send the program just created to complete the program. After selecting the sensor, click...PRT) and a Vaisala HUMICAP 180 capacitive relative humidity sensor. The HMP155A also has RS-485 outputs for temperature and relative humidity that can click Finish in step 6, check the output of Campbell Scientific dataloggers with HMP155A RS-485 Output). HMP155A Temperature and Relative Humidity Probe 6.
HMP155A Temperature and Relative Humidity Probe
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... Users with serial numbers < E4430001 require approximately 5 seconds warm up after power is switched on the model HMP155A Temperature and Relative Humidity probe (HMP155A-L) indicates that the cable length is user specified. Also compatible with Edlog dataloggers: CR500, CR510, CR10(X), CR23X... to +60°C -112° to +140°F) -80° to +60°C -112° to +140°F) Complies with Campbell Scientific CRBasic dataloggers: CR200(X) series, CR800 series, CR1000, CR3000, CR5000, and CR9000(X). The -L option on . HMP155ATemperature and Relative Humidity Probe current at ...
... Users with serial numbers < E4430001 require approximately 5 seconds warm up after power is switched on the model HMP155A Temperature and Relative Humidity probe (HMP155A-L) indicates that the cable length is user specified. Also compatible with Edlog dataloggers: CR500, CR510, CR10(X), CR23X... to +60°C -112° to +140°F) -80° to +60°C -112° to +140°F) Complies with Campbell Scientific CRBasic dataloggers: CR200(X) series, CR800 series, CR1000, CR3000, CR5000, and CR9000(X). The -L option on . HMP155ATemperature and Relative Humidity Probe current at ...
HMP155A Temperature and Relative Humidity Probe
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Probe dimensions 8-Pin Connector 40 [1.57] 0507-044 FIGURE 6-2. EMC requirements for use - HMP155A Temperature and Relative Humidity Probe Dimensions in mm (inches) control and laboratory use in industrial locations 279 [10.98] 266 [10.47] 20 [0.79] Ø12 [0.47 86 [3.39] 24 [0.94] FIGURE 6-1. Wiring of HMP155A 8-pin connector *HMP155ACBL1 Cable provided by Campbell Scientific 1=VOUT1 (yellow, temp) 2=no connection 3=AGND (white) 4=VOUT2 (blue, RH) 5=no connection 9
Probe dimensions 8-Pin Connector 40 [1.57] 0507-044 FIGURE 6-2. EMC requirements for use - HMP155A Temperature and Relative Humidity Probe Dimensions in mm (inches) control and laboratory use in industrial locations 279 [10.98] 266 [10.47] 20 [0.79] Ø12 [0.47 86 [3.39] 24 [0.94] FIGURE 6-1. Wiring of HMP155A 8-pin connector *HMP155ACBL1 Cable provided by Campbell Scientific 1=VOUT1 (yellow, temp) 2=no connection 3=AGND (white) 4=VOUT2 (blue, RH) 5=no connection 9
HMP155A Temperature and Relative Humidity Probe
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HMP155A Temperature and Relative Humidity Probe 6.2 Relative Humidity Sensor Measurement range: 0 to 100% RH Accuracy (including non-linearity, hysteresis and repeatability) at +15° to 25...) % RH ± (1.2 + 0.012 × reading) % RH ± (1.4 + 0.032 × reading) % RH Factory calibration uncertainty (+20°C): ±0.6% RH (0 to 40% RH) ±1.0% RH (40 to Campbell Scientific dataloggers are programming your datalogger with sintered PTFE filter: 63% 20 s 90% 60 s 7. The CR200(X)-series dataloggers only have single-ended channels. 11 The surface...
HMP155A Temperature and Relative Humidity Probe 6.2 Relative Humidity Sensor Measurement range: 0 to 100% RH Accuracy (including non-linearity, hysteresis and repeatability) at +15° to 25...) % RH ± (1.2 + 0.012 × reading) % RH ± (1.4 + 0.032 × reading) % RH Factory calibration uncertainty (+20°C): ±0.6% RH (0 to 40% RH) ±1.0% RH (40 to Campbell Scientific dataloggers are programming your datalogger with sintered PTFE filter: 63% 20 s 90% 60 s 7. The CR200(X)-series dataloggers only have single-ended channels. 11 The surface...
HMP155A Temperature and Relative Humidity Probe
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To avoid these problems, Campbell Scientific recommends measuring the HMP155A using a differential analog measurement (Instruction 2) when long lead lengths are in common inside the HMP155A. The signal reference (white) and the power ground (black) are required....TABLE 7-4 and TABLE 7-5 respectively. For a discussion on errors caused by long lead lengths see Section 7.4. TABLE 7-4. HMP155A sensors purchased directly from Vaisala with Campbell Scientific's dataloggers. Parameters for Relative Humidity Units Percent Fraction Multiplier (% mV-1) 0.1 0.001 Offset (%) 0 0 7.4 Long ...
To avoid these problems, Campbell Scientific recommends measuring the HMP155A using a differential analog measurement (Instruction 2) when long lead lengths are in common inside the HMP155A. The signal reference (white) and the power ground (black) are required....TABLE 7-4 and TABLE 7-5 respectively. For a discussion on errors caused by long lead lengths see Section 7.4. TABLE 7-4. HMP155A sensors purchased directly from Vaisala with Campbell Scientific's dataloggers. Parameters for Relative Humidity Units Percent Fraction Multiplier (% mV-1) 0.1 0.001 Offset (%) 0 0 7.4 Long ...
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... the filter When installed in close proximity to make sure the radiation shield is free from debris. The humidity over a 16 Remove the filter from Campbell Scientific or Vaisala. New filters can be checked for water. Check monthly to the ocean or other bodies of salt water, a coating of the sensor should... for contaminates. 8.1 Periodic Maintenance 8.1.1 Cleaning Clean the probe with a soft, lint-free cloth moistened with mild detergent. 8.1.2 Changing the Probe Filter 1. FIGURE 8-1. Sensor Maintenance The HMP155A Probe requires minimal maintenance.
... the filter When installed in close proximity to make sure the radiation shield is free from debris. The humidity over a 16 Remove the filter from Campbell Scientific or Vaisala. New filters can be checked for water. Check monthly to the ocean or other bodies of salt water, a coating of the sensor should... for contaminates. 8.1 Periodic Maintenance 8.1.1 Cleaning Clean the probe with a soft, lint-free cloth moistened with mild detergent. 8.1.2 Changing the Probe Filter 1. FIGURE 8-1. Sensor Maintenance The HMP155A Probe requires minimal maintenance.
HMP155A Temperature and Relative Humidity Probe
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..., G, and SDM terminals (C1, C2, C3). Interfacing with HMP155A RS-485 Output C.1 RS-485 Interface Options The HMP155A outputs a 0 to 1 Vdc signal for temperature and relative humidity that can be measured by all models of Campbell Scientific dataloggers with model HMP155ACBL1 cable. Sensor wiring to the SDM-SIO1 ...to RS-485 cable (available from Vaisala) to change the default baud rate of the RS-485 output from the default of the HMP155A to a baud rate supported by the datalogger using standard program instructions. The MD485 Multidrop Interface can be used to interface the RS...
..., G, and SDM terminals (C1, C2, C3). Interfacing with HMP155A RS-485 Output C.1 RS-485 Interface Options The HMP155A outputs a 0 to 1 Vdc signal for temperature and relative humidity that can be measured by all models of Campbell Scientific dataloggers with model HMP155ACBL1 cable. Sensor wiring to the SDM-SIO1 ...to RS-485 cable (available from Vaisala) to change the default baud rate of the RS-485 output from the default of the HMP155A to a baud rate supported by the datalogger using standard program instructions. The MD485 Multidrop Interface can be used to interface the RS...