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E-mail
m-excel@foxmail.com
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Phone
15618220260
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Address
Building 1, No. 65, Lane 1398, Xinzhu Road, Minhang District, Shanghai
Shanghai Maiyue Environmental Technology Co., Ltd
m-excel@foxmail.com
15618220260
Building 1, No. 65, Lane 1398, Xinzhu Road, Minhang District, Shanghai
Water and wastewater treatment, monitoring of drinking and surface indicators
Chemical operation process, recycling and detergent
Industrial Process · Pure Water, Ultra Pure Water
144 * 144 microcomputer designed conductivity/concentration controller
Outdoor waterproof and dustproof design suitable for wall mounted, panel mounted, and circular pipe installation
AP502 can be connected to 2/4-pole conductivity electrodes and can measure conductivity, resistivity, salinity, etc TDS
AP502H can be connected to inductive electrode signal input, and can simultaneously display substance concentration, conductivity, and temperature. It can preset the conductivity/concentration curves of acid and alkali salts such as H2SO4, HNO3, HCl, NaOH, NaCl, etc
L has manual and automatic temperature compensation functions
Password lock and combination key access settings, calibration mode design, and increased security protection
Large LCD display screen with operation status and special symbol display
Equipped with backlight sensor, automatic and manual backlight setting function
Optional RS-485 standard MODBUS communication protocol
parameter |
measurement range |
resolution |
precision |
conductivity |
0.000 ~ 200.0 mS/cm |
0.001Ms/cm |
± 1 % ±1 digit |
resistivity |
0.000 ~ 20.00 MOmega. cm |
0.01 MOmega. cm |
± 1 % ±1 digit |
salinity |
0.0 ~ 70.0 ppt |
0.1 ppt |
± 1 % ±1 digit |
temperature |
30.0℃~ 130.0℃ |
0.1 ℃ |
0.2% ±1 digit |
TDS |
0 ~ 19999 ppm |
0.001 ppm |
± 1 % ±1 digit |
Electrode coefficient |
Fixed coefficients: 0.01, 0.1, 1, and 10.0/cm Adjustable range: 0.0050~19.99/cm |
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temperature compensation |
Automatic temperature compensation: PT1000/NTC30K, automatic recognition Manual temperature compensation: button setting |
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temperature coefficient |
Linear temperature compensation (0.00%~20.00%) or nonlinear compensation |
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display screen |
Backlit large LCD display with light sensor for automatic or manual LCD backlight control |
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Cleaning settings |
Contact output, ON 0~9999 seconds/OFF 0~999.9 hours |
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Solution grounding |
Can eliminate the interference of charged solution |
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relay output |
Two sets of ON/OFF contact outputs, with arbitrary program settings for high and low points, hysteresis zone, 240VAC/0.5A |
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analog output |
1-channel or 2-channel 4-20mAAnalog signal output, users can set the corresponding output value with a load of 500 Ω |
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Communication power supply |
100V~240VAC ± 10%, 50/60Hz, optional DC power supply 20~40VDC |
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Operating Temperature |
0~50℃ |
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Instrument size |
144mm×144mm×115mm(H×W×D) |
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protection level |
Compliant with IP65 (NEMA 4) |
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Installation method |
Wall installation, panel installation, and circular pipe installation |
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