Atec HMI41SETB5B User Manual

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HMI41 Indicator and HMP42/HMP46 Probes
The Vaisala HUMICAP® Humidity Indicator HMI41 fitted with the Vaisala HUMICAP Probes HMP42 or HMP46 can be used for spot checking and field calibration applications.
In addition to displaying the humidity and temperature readings, the HMI41 indicator calculates dew point and wet bulb temperature, absolute humidity and mixing ratio.
The indicator has an easy-to-read two line liquid crystal display. The display units (metric or non-metric) are easily selected.
These features, plus fast response time, high measurement accuracy and excellent stability, as well as the unique properties of the probe chosen – either the HMP42 or the HMP46 – make the HMI41 indicator and HMP42/46 combination an ideal choice for the most demanding applications.
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Humidity and Temperature
Features/Benefits
RH measurement range
0 ... 100 %RH
Temperature measurement
range -40 ... +100 °C (-40 ... +212 °F), with the HMP46 only for short periods up to +180 °C (+356 °F)
Calculates dew point, wet bulb
temperature, absolute humidity and mixing ratio
Versatile and easy-to-use
Incorporates Vaisala HUMICAP®
Sensor
Excellent stability
Data collection with serial line
NIST traceable (certificate
included)
Optional carrying case and
calibration cable
Vaisala HUMICAP® Humidity and Temperature Probe HMP42
The HMP42 probe can be used for spot checking humidity and temperature in applications which require an extremely thin probe. Typically the probe is used for monitoring the drying of structures during construction or after water damage. It is ideal to be used when measuring in any tight places, in ducts or chambers or, for example, under a linoleum floor.
The probe diameter is only 4 mm, allowing access into very small, tight, and hard-to-reach spaces.
Vaisala HUMICAP® Humidity and Temperature Probe HMP46
Typical applications for the HMP46 are plant maintenance, installation and inspection of air conditioning systems, production and storage areas and production processes. The HMP46 operates in full humidity range of 0 ... 100 %RH. The temperature range is from -40 to +100 °C (-40 ... +212 °F). For short periods of time, the probe can withstand temperatures up to +180 °C (+356 °F).
The HMP46 probe is solid and rugged. Its stainless steel probe is made to withstand rough handling in mechanically demanding applications. The probe’s long shaft can also reach otherwise unreachable places.
High Performance Sensor
The HMP42/46 probes incorporate Vaisala HUMICAP has high accuracy, excellent long-term stability and negligible hysteresis. In addition, the sensor is insensitive to dust, particulate dirt and most chemicals.
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Sensor. This sensor
The Vaisala HUMICAP® Humidity Indicator HMI41 equipped with the Vaisala HUMICAP Temperature Probe HMP42 – an extremely thin probe allowing access into very small, tight, hard-to-reach spaces.
The Vaisala HUMICAP® Humidity Indicator HMI41 equipped with the Vaisala HUMICAP Temperature Probe HMP46 – a rugged stainless steel probe for mechanically demanding and high temperature applications.
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Humidity and
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Humidity and
Technical Data
HMI41 Indicator
Calculated variables dew point temperature, absolute humidity,
wet bulb temperature, mixing ratio Resolution 0.1 %RH; 0.1 °C/°F Power supply 4 batteries, type AA (LR 6) Battery operation time
(alkaline batteries) 72 h continuous use Auto-off function Operating temperature -20 ... +60 °C (-4 ... +140 °F) Storage temperature -40 ... +70 °C (-40 ... +158 °F) Display two line LCD Housing material ABS plastic Housing classification IP53 (with connectors blocked) Weight (incl. batteries) 300 g Maximum measurement error of indicator at +20 °C
humidity ±0.1 %RH
temperature ±0.1 °C (±0.18 °F)
HMP42 Probe
HUMIDITY
Measurement range 0 ... 100 %RH Accuracy (incl. non-linearity, hysteresis and repeatability) at +20 °C (+68 °F)
0 … 90 %RH ±2 %RH
90 … 100 %RH ±3 %RH Factory calibration uncertainty (+20 °C / +68 °F)
0 … 15 %RH ±1 %RH
15 … 78 %RH ±1.5 %RH Temperature dependence of electronics ±0.05 %RH/°C Typical long-term stability better than 1 %RH per year Response time (90%) at +20 °C in still air 30 s
TEMPERATURE
Measurement range HMP42 -40 ... +100 °C (-40 ... +212 °F)
Temperature accuracy over measurement range
°C
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-40 -20 0 20 40 60 80 100 T/° C
Temperature sensor Pt100 RTD Class F0.3 IEC 60751
HMP46 Probe
HUMIDITY
Measurement range 0 ... 100 %RH, non-condensing Accuracy (incl. non-linearity, hysteresis and repeatibility) at +20 °C (+68 °F)
0 … 90 %RH ±1 %RH 90 … 100 %RH ±2 %RH
Factory calibration uncertainty (+20 °C / +68 °F)
0 … 15 % RH ±1 %RH 15 … 78 %RH ±1.5 %RH
Temperature Dependence
error %RH
2
1.5 1
0.5 0
-0.5
-1
-1.5
-2
-40
-20 20 60
0
40
T/°C
Typical long-term stability better than 1 %RH per year Response time (90%) at +20 °C in still air w/sintered filter 15 s
TEMPERATURE
Continuous measurement -40 ... +100 °C (-40 ... +212 °F) Short-term measurement -40 ... +180 °C (-40 ... +356 °F) Temperature accuracy at +20 °C (+68 °F) ±0.2 °C (±0.36 °F)
Temperature accuracy over the measurement range
°C
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-40 -20 0 20 40 60 80 100 120 140 160 T/°C
Temperature sensor Pt100 RTD Class F0.1 IEC 60751
100
for temporary use only
120
140
16080
180
180
Technical Data
440
General for Probes
Cable length 1500 mm; extended spiral cable Operating temperature range
for electronics -20 ... +60 °C (-4 ... +140 °F)
Housing material
electronics housing ABS plastic probe stainless steel
Housing classification
electronics IP65 (NEMA 4)
HMP42 sensor protection
steel grid 19867HM membrane, tube set (5 pcs) 19858HM
HMP46 sensor protection
sintered filter 0195 optional membrane filter, (max +80 °C / +176 °F) 10159HM plastic grid, (max +80 °C / +176 °F) 6221
Weight
HMP42 200 g HMP46 450 g
Electromagnetic compatibility Complies with EMC standard
EN61326-1, Portable Equipment.
Accessories
Transmitter calibration cables
HMT330, HMT120/130 25917ZZ HMT360 25916ZZ HMM210 19164ZZ HMD/W60/70 19116ZZ
Carrying case for HMI41 & HMP42/46
plastic 210614
aluminum MI70CASE2 Serial communication cable 19446ZZ HMP42
Calibration adapter HM37067
Rubber sleeve set 19809HM
Dimensions
Dimensions in mm.
HMI41 HMP42 HMP46
320
88 30200
ø18.5
318
ENTERMODE
HOLD ON/OFF
MIN/MAX
125
75
80
37
13
106
30
HUMICAP® is a registered trademark of Vaisala.
235
ø4
ø18.5
13
ø21
38
ø12
ø2 1
13
106
3 0
38
Ref. B211141EN-B ©Vaisala 2012
This material is subject to copyright protection, with all copyrights retained by Vaisala and its individual partners. All rights reserved. Any logos and/or product names are trademarks of Vaisala or its individual partners. The reproduction, transfer, distribution or storage of information contained in this brochure in any form without the prior written consent of Vaisala is strictly prohibited. All specifications — technical included — are subject to change without notice.
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