| Model : |
CP-250 |
| Measuring system : |
pH: Glass electrode measurement method
ORP: Metal electrode measurement method |
| Measurement range : |
pH : 0.00 14.00 ORP: ±2000mV |
| Reproducibility : |
pH ±0.05 ORP ±5mV |
| Transmission output range : |
pH : 0.00 14.00 0.00 10.00 0.00 8.00 2.00 12.00 3.00 11.00 4.00 14.00 4.00 10.00 0.00 14.00 (Approved range)
*Note 1: ORP: ±1400mV ±1000mV ±700mV ±350mV - 1000 0mV 0 1000mV 2000mV 0 700mV (Changeable with internal DIG switch) |
| Contact output : |
Number of contacts: 3 Contact output for cleaning (CLN)
Contact form: Semiconductor (SSA) Relay, 1a
Contact capacity: AC200V 1A (Alternating current load)
Contact function: Electromagnetic drive for cleaning Warning contact output (RLY1)
Contact form: Relay contact, 1a (No-voltage contact) Contact capacity: AC250V 2A (Resistance load)
Contact function: Upper limit warning, lower limit warning
Possible to select one function from above (Changeable with DIP switch) Warning contact output (RLY2)
Contact form: Relay contact, 1c (No-voltage contact)
Contact capacity: AC250V 3A (Resistance load)
Contact form: Upper limit warning, lower limit warning, CLN synchronization (Synchronized with contact output for cleaning) Abnormal warning output
Possible to select one function from above (Changeable with DIP switch) |
| Contact input : |
Number of contacts: 1
Contact form: Relay contact, 1a (No-voltage contact) Contact function: External input for cleaning operation
Select one function from among the following;
(1) "OR" operation with internal cleaning timer (Operates together with external output)
(2) "AND" operation with internal cleaning timer (Operates only within external input range)
(3) Internal cleaning timer synchronized to external input
(4) Internal cleaning timer disabled
(5) External input disabled |
| Transmission output : |
DC4 20mA Input/output isolated, Maximum load resistance 600Ω Linearity 0.5% FS |
| Control operation : |
Proportional time sharing ON/OFF Control: Upper limit operation (H) and lower limit operation (L) (Changeable with internal DIP switch)
Upper/lower limit setting range: pH meter 0.00 14.00 pH
ORP meter ±2000mV
Control width: pH meter 0.01 4.00 pH (±2.00 pH)
ORP meter 1 999mV (±499mV) |
| Calibration function : |
pH meter 2-point automatic calibration or manual calibration (Changeable with DIP switch)
2-point automatic calibration: Automatic determination of standard solution type Potential stability automatically determined
Standard solution type pH 4, 7, and 9 (JIS)
Standard solution combination (pH 4, 7) (pH 7, 9)
Manual calibration: Standard solution type
Discretionary: 2pH or higher difference ORP meter
Sensitivity calibration range 50.0 150.0% |
| Additional function : |
Each error message type
1. Calibration error (Asymmetrical potential, sensitivity, response speed anomaly, standard solution anomaly)
2. Electrode diagnostic error Temperature sensor short, Temperature sensor tripped
3. Measurement out-of-range error Full scale over/under Alarm ON extension Extension time setting: 0 15 (minutes)
Cleaning timer settings
Cleaning cycle setting: 1 48 (hours)
Cleaning time setting: 0.1 20.0 (minutes)
Standby time after cleaning: 0.1 10.0 (minutes) Transmission output form setting when in hold due to calibration or cleaning Continuous, Hold (Previous value hold, Arbitrary hold) (Changeable with DIP switch)
Dumping factor (Response time depends on average number of movements)
Setting function
Setting time: 1 50 times (0 20 seconds) Fixed period nozzle cleaning operation setting For each prescribed time period, cleaning is conducted at short intervals to prevent dirt from sticking to the nozzle. (5-second interval for 1-hour cycle : Hold operation is disabled for this operation.) (Changeable with DIP switch)
Measured value shift function Setting range : pH: ±2.00 pH ORP: ±200mV Transmission output hold arbitrary setting Setting range : Within measurement range |
| Temperature compensation element : |
500Ω (25°C) Other Compatible with 6.8kΩ (25°C), 350Ω (25°C), 1kΩ (0°C), or 10kΩ (25°C) (Changeable with internal DIG switch) |
| Temperature compensation range : |
0 100°C) (For pH meter) |
| Ambient temperature & humidity : |
-5 50°C, Less than 85% RH |
| Power : |
AC100 115V 50/60Hz 7VA or AC200 240V 50/60Hz 7VA (Depends on setting) |
| Construction : |
Outside equipment: JIS C0920 Protection class: 3 (Rain-proof type)
Installation procedure: 50A pole or wall surface installation
Case: Aluminum alloy casting (Paint color: DIC G-262 or equivalent)
Full cover: Polycarbonate (Resin color: DIC G-262 or equivalent)
Hood: SUS304 (Paint color: DIC G-262 or equivalent, or DIC PART2 2600 or equivalent)
Mount fittings: SUS304 |
| External dimensions : |
222 (W) x 180 (H) x 155 (D) (Mount fittings and protrusion not included) |
| Weight : |
Approx. 4kg |
