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ACR SmartReader Plus 4 LPD
Two Channel Low Pressure Differential Data Logger

  • Two Channels
  • Monitor very low pressure - several ranges to choose from
  • Very precise and accurate measurements
  • Extra fine pressure resolution
  • Temperature compensated
  • 10-year battery life
  • Memory Capacity of 32,767 readings
  • Remote access via modem or Ethernet
  • Network capable
  • User configurable

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ACR SmartReaderPlus4 LPD Shown

Product Information

Datasheet 79 KB
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The SmartReader Plus 4 LPD (Low Pressure Differential) logger is a two channel logger with internal pressure and temperature sensors. The low pressure sensor is built into the logger and is capable of measuring low gauge and differential pressure.
 
SmartReaderPlus 4  LPD Specifications
No. of Channels
Two  
  • One for Ambient Temperature
  • One for Low Pressure
Sensor Type Silicone piezoresistive strain gauge
Maximum Pressure Four times full scale
Pressure Ranges (water column) +/- 0.5", +/- 1.0", +/-2.0", +/-5.0", +/-10"
Clock Accuracy +/- 2 seconds per day
Media Non-corrosive gases and dry air
Sampling Methods 1. Continuous (First-in, First-out)
2. Stop when full (Fill then stop)
Sampling Rates User selectable rates from 8 seconds to once every 5 days
Resolution 8-bit
Memory Size
32 KB (32,767 readings)
Temperature Rage Operating -40 to 70°C (-40 to 158°F)
Compensated 0 to 70°C (32 to 158°F)
Accuracy Calibrated +/- 0.05" for 0.5", 1.0" and 2.0" ranges
+/-1.0" for 5.0" and 10.0" Ranges
Thermal +/-0.5% FS (over compensated range)
Resolution <0.01" WC
Non-linearity +/-0.05% FS (best fit straight line)
Hysteresis & Repeatability +/- 0.05%FS (typical)
External Connector Removable screw-type terminal strip with common (-) connection
Range, and  Accuracy

Model

Range Accuracy
SRP-004-LPD-0.5 +/- 0.5" WC (water column) +/- 0.05"
SRP-004-LPD-1 +/- 1.0" WC +/- 0.05"
SRP-004-LPD-2 +/- 2.0" WC +/- 0.05"
SRP-004-LPD-5 +/- 5.0" WC +/- 1.0"
SRP-004-LPD-10 +/- 10.0" WC +/- 1.0"
General Specifications Size 107 mm x 74 mm x 22 mm (4.2" x 2.9" x 0.9")
Mounting Magnetic backing and locking eyelet
Case Material Noryl plastic
Power Source Battery 3.6 volt Lithium, 1 Amp-Hour
Battery Life 10 Years under normal use
 
PC Requirements
Processor/Operating System IBM PC or 100% compatible running Windows 3.1, '95, '98, 2000, ME, NET, XP
Available Hard drive space At Least 2MB
Memory At Least 2MB
Communication Ports 1 Free Serial Port
Software
Basic Software: TrendReader 2 System Requirements (Required for Standard use)
Processor Pentium II-350MHz or Faster
Operating System Windows 2000 SP4, XP SP2
Available Hard drive space At Least 250 MB of Hard disk space
Memory 128 mb of Ram (256 MB Recommended)
Communication Ports USB or Serial Port, dependant on interface cable
Internet Browser Internet Explorer 6 or higher
Screen resolution 1024 x 768 or higher
Additional Equipment Mouse or other pointing device
More info More info on the TrendReader Standard 2>>
 
Ordering Information
ACR TrendReader 2 Software required for usage
Model Description Buy Online Price
0 -10" H20
ACR Systems SRP-004-LPD-0.5 SmartReader Plus 4 - LPD-0.5 - 32 KB Two channel, 12 bit, 32 KB data logger Buy Now
SRP-004-LPD-1
MFR ID: 01-0311
ACR Systems SRP-004-LPD-1 SmartReader Plus 4 - LPD-1 - 32 KB Two channel, 12 bit, 32 KB data logger Buy Now $799.00
SRP-004-LPD-2
MFR ID: 01-0312
ACR Systems SRP-004-LPD-2 SmartReader Plus 4 - LPD-2 - 32 KB Two channel, 12 bit, 32 KB data logger Buy Now $799.00
0 to 30 PSI-G
SRP-004-LPD-0.5
MFR ID: 01-0310
ACR Systems SRP-004-LPD-0.5 SmartReader Plus 4 - LPD-0.5 - 32 KB Two channel, 12 bit, 32 KB data logger Buy Now $799.00
SRP-004-LPD-5
MFR ID: 01-0313
ACR Systems SRP-004-LPD-5 SmartReader Plus 4 - LPD-5 - 32 KB Two channel, 12 bit, 32 KB data logger Buy Now $799.00
SRP-004-LPD-10
MFR ID: 01-0314
ACR Systems SRP-004-LPD-10 SmartReader Plus 4 - LPD-10 - 32 KB Two channel, 12 bit, 32 KB data logger Buy Now $799.00
Software
Model Description Buy Online Price
TRS2-FULL INSTALL
MFR ID: 01-0228
ACR Systems TRS2-FULL INSTALL TrendReader 2 Full Install CD. (Latest version) Buy Now $109.00
TRS2UPGRADE  ACR Systems TRS2-UPGRADE TrendReader 2 Upgrade CD. (Requires a previous version of TrendReader Standard.) Discontinued
TRS2WIC101  ACR Systems TRS2-W/IC-101 TrendReader 2 Interface Package (IC-101) Software CD & Serial Port Interface cable for SR/SRP data loggers Discontinued
TRS2-W/IC-102
MFR ID: 01-0226
ACR Systems TRS2-W/IC-102 TrendReader 2 Interface Package (IC-102) Software CD & USB Interface cable for SR & SRP data loggers Buy Now $189.00
Included Accessories
 
  • 1 - Users guide
Included
Optional Accessories
Model Details Buy Online Price
Probes
ET004 Range -60 to 55°C (-75 to 130°F) +/-0.2°C (0.4°F) from 0 to 70°C Buy Now $176.00
Thermistor type Low Temperature Stainless steel, 3 1/2" penetration probe w/handle
ET004GP Range -60 to 55°C (-75 to 130°F) +/-0.2°C (0.4°F) from 0 to 55°C Buy Now $89.00
Thermistor type Low Temperature Stainless steel, 1 X 3/16" probe
ET016 Range -35 to 95°C (-30 to 200°F) +/-0.2°C (0.4°F) from 0 to 70°C Buy Now $89.00
Thermistor type General Purpose Temperature Stainless Steel, 1 X 3/16" probe
ET016STP Range 20 to 40°C (68 to 104°F) +/-0.2°C (0.36°F) @25°C (77°F) +/-0 Buy Now $89.00
Skin Surface Thermistor/Human Temperature Stainless steel, 1/3 X 9/64" probe. (Thermistor type)
ET081 Range 10 to 170°C (50 to 335°F) +/- 0.5°C (0.9°F) from 10 to 170°C Buy Now $89.00
Thermistor type Probe - GP Tip - 80C - SR/SRP Stainless Steel, 1 X 3/16" probe
ET086 Range 10 to 170°C (155 to 490°F) +/-1°C (1.8°F) from 70 to 255°C Buy Now $89.00
Thermistor type Probe - Oven Temp Stainless steel, 1 X 3/16" probe
Alarms
AM-100-120
MFR ID: 01-0167
ACR Systems AM-100-120 NA Alarm module, stereo Y-adapter, 1' male-male stereo cable, and 120 V NA power supply for SmartReader Plus Buy Now $345.00
AM-100-240
MFR ID: 01-0168
ACR Systems AM-100-240 EU Alarm module, stereo Y-adapter, 1' male-male stereo cable, and 240 V Cont. power supply for SmartReader Plus Buy Now $345.00
Networking
MA100 ACR Systems MA-100 Modem-Logger Int. Cable Adapter (MA-100) Adapts the IC-101/LIC-101 logger interface cable for use with analog Telco modems Discontinued
USMC  ACR Systems USM-C Logger/Network Modem (Computer Station) Pre-programmed, external PC Telco modem for communicating remotely with single or networked loggers. North American version Discontinued
USMR  ACR Systems USM-R Logger/Network Modem (Remote Station) Pre-programmed, external remote Telco modem for communicating remotely with single or networked loggers. North American version Discontinued
01-0098 ACR Systems YA-200 Network Y Splitter - Stereo W/C (YA-200) Allows a SmartReader Plus logger to be added to an ACR-stereo type network. Includes 1' male to male adapter cable. Buy Now $19.00
YA-201
MFR ID: 01-0166
ACR Systems YA-201 Network Y Splitter-Telco (YA-201) Allows a SmartReader Plus logger to be added to an ACR-Telco type network Discontinued
YADAPTER
MFR ID: 31-0018
ACR Systems YADAPTER Network Y Splitter - Stereo N/C (YA-200) Allows a SmartReader Plus logger to be added to an ACR-stereo type network. No 1' male to male adapter cable included Discontinued
01-0079 ACR 010079 RFA Adaptor for SmartReader Plus. DE9M Connector w/bult in Null Modem for connection toDEC (RF/Cellular Modem)  Buy Now $124.00
390006 ACR 39-0006 Moxa NPort Express DE-311/110V. Enables SmartReader Plus to communicate over a LAN or Ethernet Discontinued
39-0008 ACR 39-0008 Moxa NPort W2150 Plus. Enables SmartReader Plus to communicate over a LAN or Ethernet Wirelessly  Buy Now $450.00
PC Interface Cables
IC101 ACR Systems IC-101  9-pin PC serial port to logger interface cable. Compatible with SmartReader & SmartReader Plus loggers Discontinued
IC-102
MFR ID: 01-0088
ACR Systems IC-102 USB port to logger interface cable. Compatible with SmartReader &  SmartReader Plus loggers Buy Now $99.00
CB-020
MFR ID: 31-0024
ACR Systems CB-020 25' 20' stereo cable extension for an IC-101 cable, 8 port network interface cable, or SmartReader Plus stereo style network Buy Now $26.00
SC-004
MFR ID: 31-0009
ACR Systems SC-004 Replacement 6' cable for old-style IC-101 cables with removable stereo cables. Male to male connection Buy Now $6.50
Power Supplies
BP-101
MFR ID: 01-0078
ACR Systems BP-101 Portable power supply for SmartReader Plus data loggers for sampling faster than 8 seconds. Buy Now $56.00
PS-201-NA
MFR ID: 01-0165
ACR Systems PS-201-NA 120V N/A 120V AC to 5V DC power supply for SmartReader Plus networks with min. of 3 loggers or 50' of network cable Buy Now $69.00
Software
SDKSRPNAUTILUS ACR Systems SDK-SRP/NAUTILUS SDK for SRP and Nautilus: Software on CD, Data Logger and Interface Cable, 90-day Technical Support. Discontinued
Other Accessories
TB-11
MFR ID: 29-0004
ACR Systems TB-11 Terminal Block - 11 Pin (RoHS) 11-pin female teminal block for SmartReader/SmartReader Plus sensor inputs. Buy Now $15.00
STR-11
MFR ID: 29-0013
ACR Systems STR-11 Terminal Block Strain Relief (RoHS) Strain relief for sensors attached to SmartReader/SmartReader Plus 11-pin terminal blocks. Buy Now $16.00
GLS  ACR Systems GLS Logger Protective Sock Protective Gortex® sock for protecting loggers from debris and contaminants. Ideal for relative humidity loggers and probes Discontinued
PH-025-150
MFR ID: 30-0006
Range 0 to 75 PSI, -15 to 60°C (4 to 140°F) Size OD 6.35mm (0.25"), ID 4.24mm (0.167") Buy Now $1.50
ACR Systems PH-025-150 1/4" Pressure Hose - High Pressure 0-150 PSI flexible hose