Operational:
Display
4-1/2 digit LCD with measurement unit and setup variable identifiers, 7/8 inch (22 mm) high digits
Measuring Range:
|
Model 692P |
Model 692R |
| pH |
0.00 to 14.00 pH |
NA |
| Temperature |
14.0 to 230.0°F (-10.0 to + 110.0°C) |
14.0 to 230.0°F (-10.0 to 110.0°C) |
| Millivolts |
(-) 500 to (+) 500 mV |
(-)2000 to (+) 2000 mV |
| Output Current |
4.00 to 20.00 mA |
4.00 to 20.00 mA |
Ambient Conditions
-22 to + 122°F (-30 to + 50°C), 0 to 95% relative humidity, non-condensing
Temperature Compensation
Automatic 32-212°F (0-100°C), 300 ohm thermistor or Pt 1000 RTD, switch selectable
Sensor-To-Transmitter Distance
3000 ft. (914 m) max. for 5 wire Differential Technique sensor; 33 ft. (10 m) max. for direct connection of conventional combination electrode
Power Requirements
16 to 40 volts DC
Analog Outputs
Isolated 4-20 mA with output hold feature
Range Expand - The 4-20 mA output can be range expanded to represent a one pH unit
(50 mV for Model 692R transmitter)
∆ Maximum Loop Load
(load in series with 692 and power supply)
With 24 VDC supply: 400 ohms
With 32 VDC supply: 800 ohms
With 36 VDC supply: 1200 ohms
Transmitter Performance (Electrical, Analog Output):
Stability
0.05% of span per 24 hours, non-cummulative
Non-Linearity
0.05% of span
Repeatability
0.1% of span or better
Temperature Drift
Zero: 0.01% of span per °C;
Span: 0.01% of span per °C
Response Time
1 seconds to 90% of value upon step change
Mechanical:
Enclosure
General purpose – safe for Division 2;
NEMA 4X, Polycarbonate with Two 1⁄2
inch conduit holes and four stainless
steel mounting tabs
Mounting Conf
Surface mount; optional vertical or
horizontal pipe mounting
Net Weight
3 Ibs. (1.36 kg) approximately
Optional
Flameproof Enclosure (Ex'd')
Weatherproof Enclosure (FRP)
Intrinsically Safe Ex 'ib' (PESO)
+91-9324879672 
info@belainstruments.com
