Physical Specifications General | Emerson 54e pH, PN 51A-54epH

Sira MC070111/00

MODEL 54e pH/ORP

PHYSICAL SPECIFICATIONS – GENERAL

Enclosure: Epoxy-painted aluminum NEMA 4X (IP65)

144 X 144 X 131 mm, DIN size (5.7 X 5.7 X 5.2 in.) Front Panel: Membrane keyboard with tactile

feedback and user selectable security. Light gray, blue and white overlay

Light gray enclosure, dark gray bezel

Display: Back-lit dot matrix LCD (7.0 x 3.5 cm), blue on gray-green

The display contrast is compensated for ambient temperature.

Process Variable Character Height: 16mm (0.6 in.)

Electrical Classification:

Class I, Division 2, Groups A, B, C, & D. T5 Ta=50°C. Dust ignition proof: Class II, Division 1, Groups E, F, & G; Class III.

CSA-LR34186:

Max. relay contact rating: 28 Vdc; 110 Vac; 230 Vac; 6 amps resistive

FM: Max. relay contact rating: 28 Vdc resistive 150 mA - Groups A & B;

400 mA - Group C;

540 mA - Group D

Power:

Code -01: 100 - 127 VAC, 50/60 Hz ± 6%, 6.0 W 200 - 253 VAC, 50/60 Hz ± 6%, 6.0 W

Code -02: 20 - 30 VDC, 6.0 W

Current Outputs: Output 1: pH, ORP, temperature, glass impedance, or reference impedance.

Output 2: pH, ORP, temperature, glass impedance, or reference impedance.

Each output is galvanically isolated, 0-20 mA or

4-20 mA into 500 ohms maximum load at 24 Vdc or 115/230 Vac or 500 ohms maximum load at 100/200 Vac. Output 1 includes digital signal

4-20 mA superimposed HART (Code -09 only).

RFI/EMI: EN-61326

LVD (Code -01 only): EN-61010-1

Ambient Temperature: 0 to 50°C (32 to 122°F) NOTE: The analyzer is operable from -20 to 60°C (-4 to 140°F) performance.

Relative Humidity: 95%, non condensing

Alarms:

Relay 1 - Process, Interval, or Time Proportional Control (TPC requires code -20)

Relay 2 - Process, Interval, or Time Proportional Control (TPC requires code -20)

Relay 3 - Process, Interval, or Time Proportional Control (TPC requires code -20)

Relay 4 - Sensor/analyzer and process fault alarm

Each relay has a dedicated LED on the front panel.

SPECIFICATIONS

Relay Contacts: Relays 1-3: Epoxy sealed form A contacts, SPST, normally open

Relay 4: Epoxy sealed form C, SPDT

	Resistive	Inductive
28 Vdc	5.0 Amps	3.0 Amps
115 Vac	5.0 Amps	3.0 Amps
230 Vac	5.0 Amps	1.5 Amps

Weight/Shipping Weight: 1.8 kg/2.3 kg (4 lb/5 lb)

INSTRUMENT SPECIFICATIONS @ 25°C

— pH

Measurement Range: 0 to 14 pH

Output Scale Expansion: Zero suppression: up to 13 pH units

Span: Any pH from 1 to 14

Accuracy: ± 0.01 pH

Repeatability: ± 0.01 pH

Stability: ± 0.01 pH/month, non-cumulative

Temperature Coefficient: Input: ± 0.003 pH/°C

Output: ± 0.006 pH/°C

Temperature Compensation: Pt 100 or Pt 1000 RTD, Automatic or Manual; –15 to 120°C (5 to 248°F)

INSTRUMENT SPECIFICATIONS @ 25°C

— ORP

Measurement Range: –1400 to +1400 mV

Output Scale Expansion: Zero suppression: up to ±1300 mV

Span: Any ORP range from 100 to 2800 mV Accuracy: ± 1.0 mV

Repeatability: ± 1.0 mV

Stability: ± 1.0 mV/month, non-cumulative

Temperature Coefficient: Input: ± 0.2 mV/°C

Output: ± 0.4 mV/°C

Temperature Measurement: –15 to 120°C (5 to 248°F) Pt 100 or Pt 1000 RTD