Technical Specifications - HACH LANGE si629 P Manual De Uso

1. Technical specifications

Measuring ranges
pH –2.00 to 16.00
mV –1500 to 1500
°C –20.0 to 150.0
Measurement error
≤ 0.02 pH, ≤ 1 mV, ≤ 0.5 °C (± 1 digit)
Reproducibility
± 0.01 pH, ± 1 mV, ± 0.1 °C (± 1 digit)
Automatic temperature compensation
With temperature probe Pt 1000 or by keypad
pH calibration options
Default access password: 100
With 1,2 or 3 buffer solutions
With possibility to readjust the pH value
Redox calibration options
Default access password: 100
With 1 standard, 220 mV at 25 °C
With possibility to readjust the redox value
Automatic buffer recognition
T echnical (at 25 °C) pH 2.00, 4.01, 7.00, 9.21
and 10.90
Criteria to accept calibration
Slope 85 to 103 %. Asymmetry potential ≤ 60 mV
Control mode
ON/OFF
2 relays programmable as minimum and maximum
Activation relays lag, 2 seconds
Minimum programmable hysteresis 0.1 pH, 1 mV
PROPORTIONAL
Optimal value, tolerance and proportional band
are user-programmable
Cycle time is user-programmable between 2 to 99 sec
Data logger
Storage capacity: 200 data.
Language
English, German, Spanish, French, Italian, Portuguese
Keypad
LCD, alphanumeric, backlit,
2 lines of 16 characters
Inputs and outputs
Electrode, BNC connector
ATC, Pt 1000 or Pt 100, terminal strip connection
3 relays: 1 limit relay, 1 programmable as a limit or
cleaning and 1 alarm relay
Analogic signal, galvanically isolated, terminal strip
connection
si629 P_HACH_LANGE_Ed.0510.indd ANG:3 si629 P_HACH_LANGE_Ed.0510.indd ANG:3
• 4 to 20 mA for measurement (R max.= 500 Ohm)
• 21 mA or the last mA value measured for the instru-
ment in hold
• 22 mA for the alarm
Relays
1 limit relay, free of potential. Contact NO
1 limit or cleaning relay, free of potential
Contact NO.*
1 alarm relay, free of potential. Contact NC
Maximum load:
in AC < 24 V / < 3 A / < 72 VA
Maximum cable length
≤ 25 m
Power supply
230 or 24 VAC ±10 %, 45-65 Hz,
(115 VAC under demand)
Consumption 4 VA
Protection: Class II
Overvoltage category: II
EC Directives
Electrical security according to 2006/95/EC
Electromagnetic compatibility according to
2004/108/EC
Environmental conditions
Working temperature: 0 to 50 °C (32 to 122 °F)
Storage temperature: –20 to 65 °C (–4 to 149 °F)
Relative humidity < 80 % (non condensing)
Max. height 2.000 m. at 230 V; 3.000 at 24 V
Enclosure
si629 P (wall mount): Thermoplastic material,
protection IP55. Flame rating HB
si629 P (panel mount): Noryl,
protection IP54. Flame rating FV-1
Weight
si629 P (wall mount): 700 g
si629 P (panel mount): 600 g
Dimensions
si629 P (wall mount):
105 x 170 x 100 mm (4 x 6.7 x 3.9 in.)
si629 P (panel mount):
96 x 96 x 100 mm (3.8 x 3.8 x 3.9 in.)
Warranty
Instruments: 2 years
Specifications are subject to change without notice.
* This relays is a switch in the si629P.
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