Yokogawa pH and Redox (ORP) Converter PH450G-D-A/UM

Yokogawa pH and Redox (ORP) Converter PH450G-D-A/UM 

The PH450G offers the best accuracy in the industry by combining the pH measurement with advanced temperature compensation functionality, preloaded calibration standards and stability checks. Yokogawa pH and Redox (ORP) Converter PH450G-D-A/UM

The PH450G is a true multivariable analyzer that combines pH with Temperature and ORP (Redox) measurement and all these measurements can be
utilised through the different output functions: two mA current outputs, four independent SPDT contact outputs and HART®. Both DD and DTM files are available for direct connection to HART® Handheld terminal, HMI monitor and Pactware PC configurator. 

Yokogawa pH and Redox (ORP) Converter PH450G-D-A/UM
The PH450G offers full functionality with PID control on either mA output(s) or on contact output(s) and with integral wash function.

Features
• Easy touchscreen operation
• IP66/NEMA 4X 1/2DIN enclosure for field mounting
and panel mounting
• Unique HMI menu structure in 8 languages
• Predefined buffer solutions
• Trending display up to 2 weeks
• On-screen logbooks store calibration data,
configuration changes and events
• Advanced Process Temperature Compensation
• Three sets of preloaded pH buffer standards


General Specifications of PH450G
(A) Input specifications: Dual high impedance input (≥ 1012Ω).
Yokogawa pH and Redox (ORP) Converter PH450G-D-A/UM

(B) Input ranges
pH : -2 to 16 pH.
ORP : -1500 to 1500 mV.
rH : 0 to 100 rH.
Temperature
- Pt1000 : -30 to 140ºC.
- Pt100 : -30 to 140ºC.
- 350Ω (DKK) : -30 to 140ºC.
- 5k1 : -30 to 140ºC.
- 6k8 : -30 to 140ºC.
- PTC10k : -30 to 140ºC.
- NTC 8k55 : -10 to 120ºC.
- 3kBalco : -30 to 140ºC.

(C) Accuracy
pH input : ≤ 0.01 pH.
ORP input : ≤ 1 mV.
Temperature : ≤ 0.3ºC (≤ 0.4ºC for Pt100)
Step response : < 4 sec for 90% (pH7 - pH4).
Note: on performance specifications
The following tolerance is added to above
performance.
mA output tolerance: ±0.02 mA of “4-20 mA”

(M) Power supply
PH450G-A :
Ratings ; 100-240 V AC
Acceptable range ; 90 to 264 V AC
Ratings ; 50/60 Hz
Acceptable range ; 50 Hz ±5%, 60 Hz ±5%
Power Consumption ; 15 VA
PH450G-D:
Ratings ; 12-24 V DC
Acceptable range ; 10.8 to 26.4 V DC
Power Consumption ; 10 W

Detailed Models:
PH450G-A-A/U/AM20 
PH450G-A-A/UM
PH450G-D-A/UM
PH450G-D-A/SCT
PH450G-D-A/SCT/UM
PH450G-A-A/SCT
Yokogawa pH and Redox (ORP) Converter PH450G-D-A/UM

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